HP LaserJet 4100 Manuel de service

service manualhp LaserJet 4100

8 Figures ENFigure 53. Unlocking the fuser assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

98 Theory of operation ENFigure 14. Engine controller board I/O (3 of 5)

EN Chapter 5 Theory of operation 99 Figure 15. Engine controller board I/O (4 of 5)

100 Theory of operation ENFigure 16. Engine controller board I/O (5 of 5)

EN Chapter 5 Theory of operation 101 Laser/scanner driveThe HP LaserJet 4100 series printer has two diodes in the laser/scanner assembly. The printer

102 Theory of operation ENFigure 17. Main motor control

EN Chapter 5 Theory of operation 103 The main motor is a DC brushless motor with hall elements, and is unified with the motor drive circuit.The CPU (I

104 Theory of operation EN Formatter systemThe formatter is responsible for the following:!Controlling the PowerSave mode!Receiving and processing pri

EN Chapter 5 Theory of operation 105 EconoModeThe EconoMode setting uses up to 50 percent less toner than standard mode printing by reducing the dot d

106 Theory of operation ENPrinter memoryIf the printer encounters difficulty managing available memory, a clearable warning message will appear on the

EN Chapter 5 Theory of operation 107 PJL overview Printer job language (PJL) is an integral part of configuration, in addition to the standard printer

EN Figures 9 Figure 112. Location of PCAs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

108 Theory of operation ENImage formation systemThe image formation system is the main system in the printer. It consists of five stages:When the form

EN Chapter 5 Theory of operation 109 Toner cartridgeFigure 19. Toner cartridgeA major portion of the image formation system is contained in the cartri

110 Theory of operation ENPhotosensitive drumThe special properties of the photosensitive drum allow an image to be formed on the drum surface and the

EN Chapter 5 Theory of operation 111 Conditioning the drum The conditioning process consists of applying a uniform negative charge on the surface of

112 Theory of operation ENWriting the imageThe laser/scanner of this printer has two diodes in the laser unit. During the writing process, the modulat

EN Chapter 5 Theory of operation 113 Developing the imageThe developing process develops the latent electrostatic image into a visible image on the dr

114 Theory of operation ENTransferring the imageDuring the transferring process the toner image on the drum surface is transferred to the paper. A pos

EN Chapter 5 Theory of operation 115 Image fusing/variable fusing temperatureDuring the fusing process, the toner is fused into the paper by heat and

116 Theory of operation ENVariable fusing temperatureFigure 27. Fusing temperature controlVariable fusing temperature is a feature that gives the user

EN Chapter 5 Theory of operation 117 Paper feed system The printer in figure 29 on page 119 has two standard paper sources: the 100-sheet tray (tray

10 Figures EN

118 Theory of operation ENFigure 28. Paper feed subsystem

EN Chapter 5 Theory of operation 119 Figure 29. Paper path

120 Theory of operation ENClutches and sensorsSee chapter 7 for locations of switches, sensors, and clutches.Printing from tray 1The presence of paper

EN Chapter 5 Theory of operation 121 Figure 31. Tray 1 pickup1 Tray 1 pickup roller2 Tray 1 pickup solenoid3 Cam4 Lifter arm5 Lifter plate15432

122 Theory of operation ENPrinting from tray 2When the formatter sends the /PRNT signal to the printer, the main motor (M101) and scanner motor start

EN Chapter 5 Theory of operation 123 Figure 33. Skew correction at registration assembly

124 Theory of operation ENMultiple-feed prevention mechanismThe printer uses the separation roller in tray 2 to prevent multiple-feeding. Normally, th

EN Chapter 5 Theory of operation 125 Figure 35. Paper-feeder driver I/OPickup and feedingThe media size and the presence of the 500-sheet tray are det

126 Theory of operation ENFigure 36. Paper feed pickup

EN Chapter 5 Theory of operation 127 Envelope feederThe operation sequences of the envelope feeder are controlled by the envelope-feeder driver. A 4-b

Contents 11TablesTable 1. Printer features for the HP LaserJet 4100 series printers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

128 Theory of operation ENFigure 37. Paper path for the duplexerJamsThe following paper sensors are installed to detect whether or not the print media

EN Chapter 5 Theory of operation 129 Other controlsEnvironmental detectionThis printer is capable of detecting the ambient environment using the envir

130 Theory of operation ENBasic sequence of operationThe operation sequences of this printer are controlled by the microprocessor on the engine contro

EN Chapter 5 Theory of operation 131 Figure 38. Timing diagram

132 Theory of operation EN

EN Chapter 6 Removing and replacing parts 133 6Removing and replacing partsChapter contentsRemoval and replacement strategy. . . . . . . . . . . . . .

134 Removing and replacing parts ENRemoving tray assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

EN Chapter 6 Removing and replacing parts 135 Removal and replacement strategyThis chapter describes how to remove and reassemble major assemblies. Re

136 Removing and replacing parts ENRequired toolsTools!Phillips #2 magnetized screwdriver with 6-inch shaft!Flat-blade screwdriver with 6-inch shaft!N

EN Chapter 6 Removing and replacing parts 137 Table 34. Screws used in the printerDrawing and description PurposePhillips machine screw with captive s

12 Tables ENTable 53. Screws used in the printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

138 Removing and replacing parts ENRemoving coversCAUTION Before removing covers, turn off the printer and unplug the power cord and any cables.Hint L

EN Chapter 6 Removing and replacing parts 139 Control panelControl panel overlayFigure 41. Removing the control panel overlay1 Using a flat-blade scre

140 Removing and replacing parts ENControl panel boardFigure 42. Removing the control panel board1 Remove the control panel overlay (page 139).2 Using

EN Chapter 6 Removing and replacing parts 141 Top coverCAUTION Do not remove the toner cartridge when the top cover interlock is overridden. Cartridge

142 Removing and replacing parts ENFigure 44. Removing the top cover3 Open the rear output bin, and then remove two screws (callout 1) from the top co

EN Chapter 6 Removing and replacing parts 143 Left side coverFigure 46. Removing the left side cover1 To remove the left side cover: a Remove the rear

144 Removing and replacing parts ENFront right side coverFigure 47. Removing the front right side cover1 To remove the front right side cover: a Remov

EN Chapter 6 Removing and replacing parts 145 Rear cover/rear output binFigure 48. Removing the rear cover/rear output bin1 Remove the tray 2 dust cov

146 Removing and replacing parts ENTray 1Figure 49. Removing tray 1 from the front cover1 Open tray 1.2 Push outward on the two slot hinges (callout 1

EN Chapter 6 Removing and replacing parts 147 Figure 51. Detail of the tray 1 sensor arm coverHint When you reinstall the tray 1 sensor arm cover, be

Chapter 1 Printer description 131Printer descriptionChapter contentsPrinter features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

148 Removing and replacing parts EN6 Rotate tray 1 downward completely and remove the tray from the left hinge. 7 Slide tray 1 to the left to remove t

EN Chapter 6 Removing and replacing parts 149 Removing internal assembliesFuserWARNING! Let the fuser assembly cool before removal.1 If a duplexer is

150 Removing and replacing parts ENFirmware DIMMCAUTION Static electricity can damage dual inline memory modules (DIMMs). When handling DIMMs, either

EN Chapter 6 Removing and replacing parts 151 Formatter assemblyFigure 55. Removing the formatter assembly1 Print a configuration page and menu map. T

152 Removing and replacing parts ENOutput delivery assemblyFigure 56. Removing the output delivery assembly1 To remove the output delivery assembly: a

EN Chapter 6 Removing and replacing parts 153 Figure 58. Right end of output delivery assembly (white tab)3 Facing the rear of the printer, carefully

154 Removing and replacing parts ENLaser/scannerFigure 59. Removing the laser/scanner1 To remove the laser/scanner: a Remove the rear right side cover

EN Chapter 6 Removing and replacing parts 155 Cartridge memoryCartridge memory controller1 To remove the cartridge memory controller PCA: a Remove the

156 Removing and replacing parts ENFanFigure 60. Removing the fan1 To remove the fan: a Remove the rear right side cover (page 138). b Remove the cont

EN Chapter 6 Removing and replacing parts 157 Figure 61. Detail of the plastic fan clip 3 Using a flat-blade screwdriver, press the retaining claw beh

14 Printer description ENPrinter featuresTable 1. Printer features for the HP LaserJet 4100 series printersModelsHP LaserJet 4100 (C8049A):!25 pages p

158 Removing and replacing parts ENMain motorFigure 62. Removing the main motor1 To remove the main motor: a Remove the rear right side cover (page 13

EN Chapter 6 Removing and replacing parts 159 Transfer rollerFigure 63. Removing the transfer rollerCAUTION Do not remove the toner cartridge when the

160 Removing and replacing parts ENTray 1 pickup rollerFigure 64. Removing the pickup roller (shown with envelope entrance cover removed)1 Open tray 1

EN Chapter 6 Removing and replacing parts 161 Tray 1 pickup assembly1 To remove the tray 1 pickup assembly: a Remove the rear right side cover (page 1

162 Removing and replacing parts ENFigure 67. Removing the tray 1 pickup assembly—right side3 Disconnect the three-pin solenoid connector (callout 1)

EN Chapter 6 Removing and replacing parts 163 Figure 69. Removing the tray 1 pickup assembly—front side6 Remove the four screws (callout 1) shown, and

164 Removing and replacing parts ENRight side toner cartridge guideRemove the right side toner cartridge guide to get to the printer drive assembly. F

EN Chapter 6 Removing and replacing parts 165 Registration assemblyFigure 71. Removing the registration assembly1 To remove the registration assembly:

166 Removing and replacing parts ENFigure 72. Detail of screws for the registration assemblyCAUTION Do not remove the silver, hex-headed screw (callou

EN Chapter 6 Removing and replacing parts 167 Paper feed assembly1 To remove the paper feed assembly: a Remove the rear right side cover (page 138). b

EN Chapter 1 Printer description 15 Resolution The printer prints true 1200 dpi and supports the following:!HP ProRes 1200 at full engine speed (PCL6

168 Removing and replacing parts ENFigure 74. Removing the upper screws from the paper feed assembly3 Remove the two upper screws (callout 1), and the

EN Chapter 6 Removing and replacing parts 169 Printer drive assembly (gear train)Figure 76. Removing the printer drive assembly1 To remove the printer

170 Removing and replacing parts ENDelivery drive assemblyFigure 77. Removing the delivery drive assembly1 To remove the delivery drive assembly: a Re

EN Chapter 6 Removing and replacing parts 171 Separating the engine module from the paper-feed module 1 To separate the engine module from the paper-

172 Removing and replacing parts ENFigure 79. Separating the engine from the paper-feed module4 Remove the single, self-tapping screw (callout 1) from

EN Chapter 6 Removing and replacing parts 173 Engine controller boardNote After you replace the engine controller board, readjust the top margin as de

174 Removing and replacing parts ENFigure 81. Removing the engine controller board5 Disconnect the three connectors on the fan side.6 Lifting from the

EN Chapter 6 Removing and replacing parts 175 Adjusting the top marginWhen you replace the engine controller board, you must readjust the top margin a

176 Removing and replacing parts ENPaper-feed guide assembly1 To remove the paper-feed guide assembly: a Remove the rear right side cover (page 138).

EN Chapter 6 Removing and replacing parts 177 Removing tray assembliesPaper-feed rollers for trays 2, 3, and 4 Figure 84. Removing the paper feed rol

16 Printer description ENPaper trays 100-sheet tray 1!Standard and custom sizes: from 76 by 127 mm (3 by 5 inches) to 216 by 356 mm (8.5 by 14 inches)

178 Removing and replacing parts ENSeparation rollers for trays 2, 3, and 4 Figure 85. Removing the separation rollerThe separation roller is inside

EN Chapter 6 Removing and replacing parts 179 Tray 2 paper-feed module disassembly Remove the paper-feeder plate to gain access to the paper pickup dr

180 Removing and replacing parts ENTray 3 and 4 paper-feed module disassembly Remove the paper-feeder plate to gain access to the paper pickup drive

EN Chapter 6 Removing and replacing parts 181 Figure 88. Detail of clutch releaseHint Pull the clutch release (callout 1) towards the front of the tra

182 Removing and replacing parts ENFigure 90. Location of spring and lever (the paper feeder is inverted)

EN Chapter 7 Troubleshooting 183 7TroubleshootingChapter contentsTroubleshooting process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

184 Troubleshooting ENTroubleshooting processThe troubleshooting process is a systematic approach that addresses the major problems first, and then ot

EN Chapter 7 Troubleshooting 185 Troubleshooting flowchartA “yes” answer to the questions below allows you to proceed to the next major step.A “no” an

186 Troubleshooting ENTroubleshooting flowchart (continued)Figure 92. Troubleshooting flowchart, continued

EN Chapter 7 Troubleshooting 187 Troubleshooting the printing systemPreliminary operating checksBefore troubleshooting a specific printer problem, you

EN Chapter 1 Printer description 17 HP genuine toner cartridge!No-shake cartridge design.!HP UltraPrecise toner for crisp, sharp output.!Supplies stat

188 Troubleshooting ENPower onNote It is important to have the printer control panel functional as soon as possible in the troubleshooting process so

EN Chapter 7 Troubleshooting 189 The fan does not turn on when the printer is first powered up.NoteAn operational fan indicates the following:1. AC po

190 Troubleshooting ENEngine testThe printer has a built-in test pattern (pairs of vertical lines). The test print can be made by pressing the test pr

EN Chapter 7 Troubleshooting 191 DisplayThe control panel should display READY, OFFLINE, or POWERSAVE ON. If the display is blank, see page 188. If an

192 Troubleshooting ENPrint the event logThe printer’s internal event log stores the last 20 errors and can be printed at any time. To print the event

EN Chapter 7 Troubleshooting 193 Printer messagesThe following table explains messages that might appear on the printer control panel. Numerical and a

194 Troubleshooting ENTable 37. Printer messages Control panel messageExplanation Recommended actionACCESS DENIEDMENUS LOCKEDThe control panel functi

EN Chapter 7 Troubleshooting 195 CHECK INPUT DEVICEalternates withPAPER PATH OPEN PLEASE CLOSE ITThe optional input tray cannot feed print media to th

196 Troubleshooting ENDISK FILE SYSTEM IS FULLThe disk file system is full. 1. Delete all unnecessary files from the EIO disk and then try again. Use

EN Chapter 7 Troubleshooting 197 ENV FEEDER LOAD[TYPE] [SIZE]A job has been sent to the envelope feeder and the feeder is empty, the wrong size is loa

18 Printer description ENProduct compatibility matrixTable 2. Product compatibility matrixHP LaserJet printer series:Product Part number 4000 4050 410

198 Troubleshooting ENFLASH FILE SYSTEM IS FULLThe flash file system is full. Delete unnecessary files from the flash DIMM and try again. Use HP Resou

EN Chapter 7 Troubleshooting 199 LOADING PROGRAM [NUMBER]alternates withDO NOT POWER OFFPrograms and fonts can be stored on the printer’s file system.

200 Troubleshooting ENMEMORY SHORTAGE JOB CLEAREDThe printer did not have enough free memory to print the entire job. The remainder of the job will no

EN Chapter 7 Troubleshooting 201 PAPER WRAPPED AROUND FUSERPrint media is wrapped around the fuser.1. Turn the printer off to keep the media from wrap

202 Troubleshooting ENRAM DISK FILE SYSTEM IS FULLThe RAM disk file system is full.1. Delete unnecessary files and then try again, or turn the printer

EN Chapter 7 Troubleshooting 203 TRAY [X] EMPTY [TYPE] [SIZE]The specified tray is empty, but the current job does not need this tray in order to prin

204 Troubleshooting ENTRAY 1 LOAD [TYPE] [SIZE]The print job has requested a size and/or type of media that is not loaded. 1. Load the requested print

EN Chapter 7 Troubleshooting 205 TRAY 1 SIZE = [xxxx]The printer is asking what size of media has been loaded in tray 1.In response, you can take eith

206 Troubleshooting ENUNSUPPORTED SIZE IN TRAY [yy]An external paper-handling device detected an unsupported media size. The printer will go offline u

EN Chapter 7 Troubleshooting 207 13.0 PAPER JAM[LOCATION]A non-specific paper jam occurred.1. Remove jammed media from the specified location.2. Verif

EN Chapter 1 Printer description 19 Memory4 MB extended data out (EDO) DIMM8 MB EDO DIMM16 MB EDO DIMM4 MB SDRAM DIMM8 MB SDRAM DIMM8 MB SDRAM DIMM16

208 Troubleshooting EN13.2 PAPER JAMOPEN INPUT TRAYSPaper-stopped jam at paper-feed area.1. Check the input area for obstructions such as paper in the

EN Chapter 7 Troubleshooting 209 13.20 PAPER JAMCHECK REAR DOORalternates withOPEN AND CLOSE TOP COVEROPEN INPUT TRAYSMedia stopped in the paper path

210 Troubleshooting EN41.x PRINTER ERRORalternates withPRESS GO TO CONTINUEA temporary printing error has occurred.Press GO. The page containing the e

EN Chapter 7 Troubleshooting 211 49.XX PRINTER ERROR alternates withCYCLE POWER TO CONTINUEA firmware error occurred. 1. Press CANCEL JOB to clear the

212 Troubleshooting EN50.X FUSER ERRORA fuser error has occurred.X description:1 = Low fusertemperature2 = Fuser warm-upservice3 = High fusertemperatu

EN Chapter 7 Troubleshooting 213 52.X PRINTER ERRORalternates withCYCLE POWER TO CONTINUEThe laser scanner speed is incorrect.X description:1 = Scanne

214 Troubleshooting EN54.4 PRINTER ERRORalternates withCYCLE POWER TO CONTINUEA problem exists with the customer’s line voltage.1. Remove the printer

EN Chapter 7 Troubleshooting 215 59.X PRINTER ERRORalternates with CYCLE POWER TO CONTINUEA main motor error occurred.X description:0 = Motor error1 =

216 Troubleshooting EN68 NVRAM FULLCHECK SETTINGSAn error occurred in the printer’s NVRAM and one or more printer settings has been reset to its facto

EN Chapter 7 Troubleshooting 217 79 SERVICE [XXXX]The printer detected an error.1. Press CANCEL JOB to clear the print job from the printer memory. 2.

20 Printer description ENIdentificationModel and serial numbersThe model number and printer serial number are listed on an identification label locate

218 Troubleshooting ENThe following table lists the disk-error numbers reported on either the printer collation or job storage disk-error page, which

EN Chapter 7 Troubleshooting 219 24 Unexpected internal error The data might be corrupted. Delete the job that prompted the error.Disk-media problem:

220 Troubleshooting ENGeneral paper-path troubleshootingJams occur in the printer when print media does not either reach or clear a photosensor along

EN Chapter 7 Troubleshooting 221 There are five photosensors (PS102, PS103, PS106, PS107, and PS108) in the paper path for detecting arrival or passin

222 Troubleshooting ENPaper-path testTo perform a paper-path test:1 Press MENU until INFORMATION MENU appears.2 Press ITEM until PRINT PAPER PATH TEST

EN Chapter 7 Troubleshooting 223 Figure 95. Sample menu map (1 of 2)Figure 96. Sample menu map (2 of 2)

224 Troubleshooting ENEmbedded Web serverThe embedded Web server allows you to view printer and network status and to manage printing functions from y

EN Chapter 7 Troubleshooting 225 Home page setThe home pages of the embedded Web server are the informational pages for the printer. These include:!Pr

226 Troubleshooting EN!Language pageDetermine the language in which to display the embedded Web server information.!Device Identification pageName the

EN Chapter 7 Troubleshooting 227 Figure 97. Sample configuration page (HP LaserJet 4100 series printer)Verify installed optionsUnder “Installed Person

EN Chapter 1 Printer description 21 Site requirementsThe following environmental specifications must be maintained to ensure the correct operation of

228 Troubleshooting ENCheck the toner cartridgeImage formation defects are often the result of problems with the toner cartridge. If there is any doub

EN Chapter 7 Troubleshooting 229 Note Toner cartridges are rated for 6,000 or 10,000 images at 5 percent coverage (depending on the model). It is poss

230 Troubleshooting ENImage defectsThe quality of the printer output is subject to the judgment of the user. This section of the manual helps you defi

EN Chapter 7 Troubleshooting 231 Table 42. Image defectsProblem Cause SolutionBlack page The high-voltage power supply connections are contaminated.Cl

232 Troubleshooting ENWhite page No toner is available for print. Remove sealing tape or replace the toner cartridge.Defective laser shutter. Check th

EN Chapter 7 Troubleshooting 233 Blank spots Print media does not meet printer specifications or is stored improperly.1. Print a few more pages to see

234 Troubleshooting ENCurl Print media does not meet printer specifications or is stored improperly.1. Print a few more pages to see if the problem co

EN Chapter 7 Troubleshooting 235 Distorted imagePrint media does not meet printer specifications or is stored improperly.1. Print a few more pages to

236 Troubleshooting ENFaded print/bubblesNo drum ground path. With no ground path, the drum cannot discharge. The negative charge on the drum repels t

EN Chapter 7 Troubleshooting 237 Horizontal smudgesPaper-path contamination or damage.1. See the “Repetitive defect ruler” on page 243.2. Check the to

22 Printer description ENInstallation requirementsInstall the printer with enough space around it to open trays and bins, install toner, and perform m

238 Troubleshooting ENLight print, dark print, or fadeWrong toner density setting. From the print-quality menu on the control panel, adjust the toner

EN Chapter 7 Troubleshooting 239 Loose toner Contamination in the printer. 1. Print a few more pages to see if the problem corrects itself.2. Clean th

240 Troubleshooting ENToner smear Contamination in the printer. 1. Print a few more pages to see if the problem corrects itself.2. Clean the inside of

EN Chapter 7 Troubleshooting 241 Vertical black linesDefective toner cartridge. Replace the toner cartridge.Contaminated fuser entrance guide.Clean th

242 Troubleshooting ENRepeating imageThis type of defect might occur when using preprinted forms, a large quantity of narrow media, or a fuser mode th

EN Chapter 7 Troubleshooting 243 Repetitive defect rulerRepetitive print defects are usually associated with a specific roller within the printer or t

244 Troubleshooting ENImage system troubleshootingHalf self-test functional check The electrophotographic process can be subdivided into the following

EN Chapter 7 Troubleshooting 245 High-voltage power supply functional check The high-voltage power supply assembly provides the necessary voltages for

246 Troubleshooting ENReference diagramsLocations of componentsFigure 99. Components of the paper pickup and feed system

EN Chapter 7 Troubleshooting 247 Table 44. Components of the paper pickup and feed systemPS101 Tray 2 paper sensorPS102 Prefeed sensorPS103 Top-of-pag

EN Chapter 1 Printer description 23 Figure 4. Side view, HP LaserJet 4100TN/4100DTN printerPrinter weight (without toner cartridge)!HP LaserJet 4100/4

248 Troubleshooting ENFigure 100. Components of the optional paper feeder

EN Chapter 7 Troubleshooting 249 Figure 101. Components of the optional duplexer

250 Troubleshooting ENFigure 102. Components of the fusing and delivery unit

EN Chapter 7 Troubleshooting 251 Figure 103. Components of the optional envelope feeder

252 Troubleshooting ENPaper pathFigure 104. Paper sensors and the paper pathTable 45. Paper sensorsSensor Description Sensor locationPS101 Tray 2 pape

EN Chapter 7 Troubleshooting 253 PS703 Reversed-paper sensor(duplexer)Sensor and flag located in duplexerPS902 Envelope multiple feed sensor (envelope

254 Troubleshooting ENEngine controller boardFigure 105. Engine controller board layoutTable 46. Engine controller board layoutSW1 Power switchSW501 T

EN Chapter 7 Troubleshooting 255 Paper-size detection switches Figure 106. Paper-size detection switches (1 of 2)Figure 107. Paper-size detection swi

256 Troubleshooting ENTable 47. Paper-size detection switchesPaper size Paper size detection switchSW600/1001 SW601/1002 SW602/1003No tray OFF OFF OFF

EN Chapter 7 Troubleshooting 257 Motors and fansFigure 108. Location of motorsTable 48. MotorsM101 Main motorM701 Reversing motor (duplexer) M702 Dupl

24 Printer description ENEnvironmental requirementsNote Testing per International Standards Organization (ISO) 9296/7779Table 4. Printer and toner car

258 Troubleshooting ENConnectorsFigure 109. Connectors (1 of 3)

EN Chapter 7 Troubleshooting 259 Figure 110. Connectors (2 of 3)

260 Troubleshooting ENFigure 111. Connectors (3 of 3)

EN Chapter 7 Troubleshooting 261 PCAsFigure 112. Location of PCAs

262 Troubleshooting ENTable 49. Location of PCAs1 Engine controller board Sequence control, high-voltage output, DC output, and heater drive2 Paper-si

EN Chapter 7 Troubleshooting 263 Sensors, switches, and thermistorsFigure 113. Location of sensors, switches, and thermistors (1 of 2)

264 Troubleshooting ENFigure 114. Location of sensors, switches, and thermistor (2 of 2)Table 50. Sensors, switches, and thermistorsPS101 Tray 2 paper

EN Chapter 7 Troubleshooting 265 SW101 Door-open detection switchSW501 Test print switch (engine controller board)SW600 Tray 2 paper-size switch (pape

266 Troubleshooting ENSolenoids and clutchFigure 115. Location of solenoids and clutch)

EN Chapter 7 Troubleshooting 267 Table 51. Solenoids and clutchCL101 Paper feed guide clutchSL101 Tray 2 pickup solenoidSL102 Tray 1 pickup solenoidSL

EN Chapter 1 Printer description 25 Print media specificationsThe following tables show print media specifications for the HP LaserJet 4100 series pri

268 Troubleshooting ENTimingFigure 116. Pickup timing for tray 2 (and lower trays)Figure 117. Pickup timing for tray 1

EN Chapter 8 Parts and diagrams 269 8Parts and diagramsChapter contentsHow to use the parts lists and diagrams . . . . . . . . . . . . . . . . . . .

270 Parts and diagrams ENHow to use the parts lists and diagramsThe figures in this chapter illustrate the major subassemblies in the printer and thei

EN Chapter 8 Parts and diagrams 271 Accessories and suppliesThe following items are available through your local authorized HP dealer. To find a deal

272 Parts and diagrams ENCommon screws and replacement cablesMaintenance kit110 V220 VC8057-69001C8058-69001C8057AC8058ATable 53. Screws used in the p

EN Chapter 8 Parts and diagrams 273 Table 54. Replaceable cablesDescription Part no. Table no. Item no.Cable and power receptacle110 V220 VRG5-5111-0

274 Parts and diagrams ENIllustrations and parts listsFigure 118. Assembly location diagram (1 of 2)1 Tray 1 pickup assembly2 Tray 1 assembly3 Fuser a

EN Chapter 8 Parts and diagrams 275 Figure 119. Assembly location diagram (2 of 2)1 Main gear assembly2 Registration assembly3 Paper feed assembly4 E

276 Parts and diagrams EN1.The formatter does not include onboard firmware; it requires a separate firmware DIMM.Table 55. Assemblies (listed alphabet

EN Chapter 8 Parts and diagrams 277 Figure 120. External covers and panels 212345678Table 56. External covers and panelsItem no. Part no. Quantity

26 Printer description EN1.The printer supports a wide range of print media sizes. Check the printer software for supported sizes. To print custom-siz

278 Parts and diagrams ENFigure 121. Top cover assembly231

EN Chapter 8 Parts and diagrams 279 Table 57. Top cover assemblyItem no. Part no. Quantity DescriptionRG5-2663-080CN 1 Top cover assembly1 RB1-8841-0

280 Parts and diagrams ENFigure 122. Internal components (1 of 4)1213151221242416231181773105622181442420199

EN Chapter 8 Parts and diagrams 281 Table 58. Internal components (1 of 4)Item no. Part no. Quantity Description1 FA9-1449-000CN 4 Screw, truss head,

282 Parts and diagrams ENFigure 123. Internal components (2 of 4)11671491217111616432916815131065

EN Chapter 8 Parts and diagrams 283 Table 59. Internal components (2 of 4)Item no. Part no. Quantity Description1 RB1-8699-000CN 1 Shutter2 RB1-8700-

284 Parts and diagrams ENFigure 124. Internal components (3 of 4)617192319181124195981191516103191314197121921202219

EN Chapter 8 Parts and diagrams 285 Table 60. Internal components (3 of 4)Item no. Part no. Quantity Description1 RG5-5295-000CN 1 Transfer roller as

286 Parts and diagrams ENFigure 125. Internal components (4 of 4)1352287964222121011

EN Chapter 8 Parts and diagrams 287 Table 61. Internal components (4 of 4)Item no. Part no. Quantity Description1 RF5-3114-000CN 1 Roller, feed2 XA9-

EN Chapter 1 Printer description 27 Table 9. Print media specifications, optional duplexerSupported media Dimensions WeightLetter 216 by 279 mm(8.5 by

288 Parts and diagrams ENFigure 126. Engine controller board assembly12(FU1)(FU2)Table 62. Engine controller board assemblyItem no. Part no. Exchange

EN Chapter 8 Parts and diagrams 289 Figure 127. Delivery drive assembly1Table 63. Delivery drive assemblyItem no. Part no. Quantity DescriptionRG5-50

290 Parts and diagrams ENFigure 128. Printer drive assembly1Table 64. Printer drive assemblyItem no. Part no. Quantity DescriptionRG5-5087-000CN 1 Pri

EN Chapter 8 Parts and diagrams 291 Figure 129. Tray 2 paper pickup guide assembly163254Table 65. Paper pickup guide assemblyItem no. Part no. Quanti

292 Parts and diagrams ENFigure 130. Tray 1 pickup assembly12368457

EN Chapter 8 Parts and diagrams 293 Table 66. Tray 1 pickup assemblyItem no. Part no. Quantity DescriptionRG5-5084-000CN 1 Tray 1 pickup assembly1 RB

294 Parts and diagrams ENFigure 131. Paper feed guide assembly321Table 67. Paper feed assemblyItem no. Part no. Quantity DescriptionRG5-5083-000CN 1 P

EN Chapter 8 Parts and diagrams 295 Figure 132. Delivery assembly123Table 68. Delivery assemblyItem no. Part no. Quantity DescriptionRG5-5094-000CN 1

296 Parts and diagrams ENFigure 133. Fuser assembly (1 of 2)21Table 69. Fuser assemblyItem no. Part no. Exchange no. Quantity DescriptionRG5-5063-000C

EN Chapter 8 Parts and diagrams 297 Figure 134. Fuser assembly (2 of 2)

HP LaserJet 4100 Series PrinterService Manual _____________

28 Printer description ENSupported types of print mediaThe printer supports the following types of print media:Note Transparencies and labels must be

298 Parts and diagrams ENFigure 135. Internal components of optional 500-sheet feeder1414154424181917161210611978134435

EN Chapter 8 Parts and diagrams 299 Table 70. Internal components of optional 500-sheet feederItem no. Part no. Quantity Description1 RB2-4836-000CN

300 Parts and diagrams ENFigure 136. Paper pickup guide assembly of optional 500-sheet feeder1435867

EN Chapter 8 Parts and diagrams 301 Table 71. Paper pickup guide assembly, optional 500-sheet feederItem no. Part no. Quantity DescriptionRG5-5293-00

302 Parts and diagrams ENFigure 137. 500-sheet tray 1239984567Table 72. 500-sheet tray Item no. Part no. Quantity Description1 RB1-8945-000CN 1 Couple

EN Chapter 8 Parts and diagrams 303 Figure 138. Envelope feeder12Table 73. Envelope feederItem no. Part no. Exchange no. Quantity DescriptionC8053A C

304 Parts and diagrams ENFigure 139. Internal components of duplexer12453

EN Chapter 8 Parts and diagrams 305 Table 74. Internal components of duplexerItem no. Part no. Exchange no. Quantity DescriptionC8054A C8054-69001 1

306 Parts and diagrams ENAlphabetical parts listTable 75. Alphabetical parts listDescription Part number Table number and page500-sheet paper feeder a

EN Chapter 8 Parts and diagrams 307 Cable, paper feeder w/ connectorRG5-3712-000CN Table 54 on page 273Table 61 on page 287Cable, scanner RG5-5348-00

EN Chapter 1 Printer description 29 Types of print media to avoidThe following characteristics can affect the performance of the HP LaserJet printer u

308 Parts and diagrams ENEnhanced I/O CardsToken Ring networksFast Ethernet (10/100Base-TX single RJ-45 port)HP JetDirect Connectivity card (EIO) for

EN Chapter 8 Parts and diagrams 309 Laser scanner assembly RG5-5100-000CN Table 55 on page 276Table 59 on page 283Laser shutter arm RB1-8700-000CN Ta

310 Parts and diagrams ENPaper pickup guide assembly, optionl 500-sheet feederRG5-5293-000CN Table 71 on page 301Paper pickup guide assembly, tray 2RG

EN Chapter 8 Parts and diagrams 311 Screw, M4x10, self-tapping XA9-0870-000CN Table 53 on page 272Table 61 on page 287Screw, M4x10, self-tapping XA9-

312 Parts and diagrams ENSpring, torsion RB2-5035-000CN Table 67 on page 294Spring, tray RB2-4122-000CN Table 58 on page 281Standard 500-sheet tray(wi

EN Chapter 8 Parts and diagrams 313 Numerical parts listTable 76. Numerical parts listPart number Description Table number and page5021-0349 EIO cove

314 Parts and diagrams ENFA9-2753-000CN Screw, M4x10, self-tapping, feeder assemblyTable 53 on page 272Table 70 on page 299HPJ1124 HP LaserJet paper T

EN Chapter 8 Parts and diagrams 315 RB1-8974-000CN Torque limiter Table 72 on page 302RB1-9045-000CN Panel, rear Table 74 on page 305RB1-9385-000CN C

316 Parts and diagrams ENRF5-2489-000CN Mounting assembly separation rollerTable 72 on page 302RF5-3086-000CN Pad, separation Table 66 on page 293RF5-

EN Chapter 8 Parts and diagrams 317 RG5-5093-000CN Delivery sensor arm assembly Table 68 on page 295RG5-5094-000CN Delivery assembly, paper Table 55

30 Printer description ENWeight equivalence table The following table shows equivalent weights for different grades of paper. A boldface type value in

318 Parts and diagrams ENRG5-5351-000CN Cable, assembly, formatter Table 54 on page 273Table 58 on page 281RG5-5357-000CN Cable, feed/registration sen

EN Chapter 8 Parts and diagrams 319 XB4-7401-207CN Screw, M4x12, self-tapping, pan headTable 53 on page 272XB4-7401-207CN Screw, tapping, pan head, M

320 Parts and diagrams EN

EN Index 321 IndexNumerics500-sheet feederinternal components 248, 298, 299part numbers 271pickup solenoid (SL1001) 267500-sheet traycomponents 302e

322 Index ENcold resetpaper size 77performing 79commands, MS-DOS 80communicationserror messages 214interface 105Printer Job Language (PJL) 107sett

EN Index 323 driversresolution features 15settings 52websites 42dropouts, troubleshooting 235drum. See photosensitive drumdual in-line memory module

324 Index ENfeeding problems, envelopes 33 See also jamsfeed-roller clutch (CL101) 122, 247field replaceable units (FRUs) 40file directory, printi

EN Index 325 inhalation, toner 36initializinghard disk 80NVRAM 79input trays. See traysinputs and outputs, engine controller board 96Installed Pers

326 Index ENlocked 194Paper-handling 57Print quality 63Printing 60Private/stored jobs 54quick copy jobs 53Resets 73Service 75settings for 52messag

EN Index 327 paper feed module disassemblyseparating from engine module 171tray 2 179tray 3 180tray 4 180paper feed module plate, removing 180pap

EN Chapter 1 Printer description 31 Adhesive labelsWhen printing on labels, use of tray 1 is recommended. Labels are multiple-layer media typically co

328 Index ENQquality, troubleshooting 227, 230Quick copy jobs menu 53, 68RRAM (random-access memory) 106RAM diskerror messages 201, 202, 206setting

EN Index 329 small media, settings for 58smeared toner, troubleshooting 240smudges, troubleshooting 237soft fonts 61software settings 52Software

330 Index ENtoner gauge, resetting 73tools, required 136top coverassembly diagram 278open, error message 195part numbers 279removing 141top margi

EN Index 331 websitesdrivers 42hardware education 41Material Safety Data Sheet (MSDS) 36parts information 42weightenvelopes 26, 34equivalence table

332 Index EN

*C8049 **C *C8049-90920-909208049-90920copyright 2001Hewlett-Packard Company©http://www.hp.com/support/lj4100

32 Printer description ENOverhead transparencies When printing transparencies, use of tray 1 is recommended. Overhead transparency film must be design

EN Chapter 1 Printer description 33 EnvelopesEnvelope constructionEnvelopes can only be printed from tray 1 or from the optional envelope feeder. Beca

34 Printer description ENEnvelope specificationsThe table below summarizes the envelope specifications that provide the best performance.Table 13. Env

EN Chapter 1 Printer description 35 Card stock and heavy paperMany types of card stock and paper can be printed from tray 1, including index cards and

36 Printer description ENSafety informationToner safetyHandling and storageWARNING! Keep toner cartridges and toner particles away from excessive heat

EN Chapter 1 Printer description 37 Laser safetyDo not open the laser scanner assembly. Avoid direct exposure to the laser beams.WARNING! Using contro

Hewlett-Packard Company11311 Chinden BoulevardBoise, Idaho 83714 U.S.A.Copyright Information© 2001 Hewlett-Packard CompanyAll Rights Reserved. Reprodu

38 Printer description EN

EN Chapter 2 Service approach 39 2Service approachChapter contentsService approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40 Service approach ENService approachRepair of the printer normally begins with use of the printer’s internal diagnostics in conjunction with the tro

EN Chapter 2 Service approach 41 Printer documentation The table below lists part numbers to use when ordering documentation. For information about o

42 Service approach ENHP direct ordering for genuine HP partsCustomer Services and Support Organization (CSSO):!(1) (800) 227-8164 (U.S. only)!(49 703

EN Chapter 2 Service approach 43 HP support assistant compact discThis support tool offers a comprehensive online information system designed to provi

44 Service approach ENToner cartridge informationThe toner cartridge is designed to simplify replacement of the major “consumable” parts. The toner ca

EN Chapter 2 Service approach 45 Warranty statementThe warranty for this product gives the customer specific legal rights. There might also be other r

46 Service approach EN

EN Chapter 3 Printer operation 47 3Printer operationChapter contentsUsing the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Contents 3Contents1 Printer descriptionPrinter features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

48 Printer operation ENInitialization of the hard disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80

EN Chapter 3 Printer operation 49 Using the control panelControl panel layoutThe printer control panel consists of a two-line display and lights and k

50 Printer operation ENControl panel keysTable 17. Control panel keysKey FunctionGO!Places the printer either online or offline.!Prints any data in th

EN Chapter 3 Printer operation 51 Settings and defaultsThe printer makes most printing decisions based on either temporary settings or permanent defau

52 Printer operation ENControl panel menusPress MENU for access to all control panel menus. When additional trays or other accessories are installed i

EN Chapter 3 Printer operation 53 Quick copy jobs menuThis menu provides a list of the quick copy jobs stored on the printer. The user can print or de

54 Printer operation ENPrivate/stored jobs menuThis menu provides a list of the stored jobs on the printer. The user can print or delete these jobs fr

EN Chapter 3 Printer operation 55 Information menuThis menu contains printer information pages that give details about the printer and its configurati

56 Printer operation ENPRINT PAPER PATH TESTThe paper-path test can be used to verify that the paper path is working correctly, or to troubleshoot pro

EN Chapter 3 Printer operation 57 Paper-handling menuWhen paper-handling settings are correctly configured through the control panel, you can print by

4 Contents ENConfiguration menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

58 Printer operation ENTRAY 3 TYPE=PLAINFor supported print media types, see page 28.This item appears only when a third paper tray is installed. Set

EN Chapter 3 Printer operation 59 CONFIGURE FUSERMODE MENU=NONOYESConfigure the fuser mode associated with each print media type. (This is only necess

60 Printer operation ENPrinting menuSome items in this menu can be used from a software application or from the printer driver (if the appropriate dri

EN Chapter 3 Printer operation 61 FORM LENGTH=60 LINES(110 V printers)or64 LINES(220 V printers)5 to 128Sets vertical spacing from 5 to 128 lines for

62 Printer operation ENCOURIER FONT=REGULAR REGULARDARKSelect the version of Courier font to use:REGULAR: The internal Courier font available on the H

EN Chapter 3 Printer operation 63 Print quality menuSome items in this menu can be used from a software application, or from the printer driver (if th

64 Printer operation ENECONOMODE=OFF OFFONTurn EconoMode on (to save toner) or off (for high quality).EconoMode creates draft-quality printing by redu

EN Chapter 3 Printer operation 65 CREATE CLEANING PAGENo value to select. Press SELECT to print a cleaning page (for cleaning excess toner from the fu

66 Printer operation ENConfiguration menuItems in this menu affect the printer’s behavior. Configure the printer according to printing needs.Table 25.

EN Chapter 3 Printer operation 67 CLEARABLEWARNINGS=JOBJOBONSet the length of time that a clearable warning appears on the printer control panel.JOB:

EN Contents 5 DIMM slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

68 Printer operation ENRAM DISK=AUTO OFFAUTODetermine how the RAM disk is configured. This item appears only if there is no optional hard-disk accesso

EN Chapter 3 Printer operation 69 I/O menuItems in the I/O (input/output) menu affect the communication between the printer and the computer.Table 26.

70 Printer operation ENEIO menu (networked printers)The EIO (enhanced input/output) menu appears only when an EIO device is installed in an EIO slot o

EN Chapter 3 Printer operation 71 CFG IPX/SPX=NO NOYESSelect whether you want to use the IPX/SPX menu and set IPX/SPX protocol parameters.NO: Bypass t

72 Printer operation ENCFG LINK=NO NOYESSelect whether you want to manually configure the HP JetDirect 10/100Base-TX print server’s network link speed

EN Chapter 3 Printer operation 73 Resets menu Use the reset and restore options on this menu with caution. You can lose buffered page data or printer

74 Printer operation ENService modeService mode should be used only by authorized service personnel. The following can be done in service mode:!Verify

EN Chapter 3 Printer operation 75 Service menuTo enter the service menu, see “Service mode” on page 74.Figure 6. Service menuChanging settingsThe item

76 Printer operation ENTable 29 shows the sequence of keystrokes used to change the page count from a value of 000000 to a value of 0010480.Table 29.

EN Chapter 3 Printer operation 77 Page countThe page count that is stored in nonvolatile memory (NVRAM) and is shown on the configuration page printou

6 Contents ENSeparation rollers for trays 2, 3, and 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

78 Printer operation ENClear event logThis item deletes all items that have been recorded in the internal event log.Top marginThis item can be used to

EN Chapter 3 Printer operation 79 Resetting the printerCold resetCold reset clears all data from the printer memory and sets many of the defaults back

80 Printer operation ENInitialization of the hard diskTo initialize the hard disk1 Print a configuration page and a menu map.2 Turn off the printer.3

EN Chapter 4 Printer maintenance 81 4Printer maintenanceChapter contentsCleaning the printer and accessories . . . . . . . . . . . . . . . . . . . . .

82 Printer maintenance ENCleaning the printer and accessoriesTo maintain superior print quality and performance, thoroughly clean the printer and the

EN Chapter 4 Printer maintenance 83 Table 30. Cleaning the printerComponent Cleaning method/notesOutside covers Use a water-dampened cloth. Do not use

84 Printer maintenance ENUsing the printer cleaning pageIf toner specks appear on the front or back side of print jobs, follow the procedure below. Fr

EN Chapter 4 Printer maintenance 85 Cleaning spilled tonerDefective or worn out toner cartridges can develop leaks. Also, after a jam has occurred, th

86 Printer maintenance ENPerforming printer maintenanceThe printer maintenance cycle for this printer is every 200,000 pages. The kit contains the fol

EN Chapter 4 Printer maintenance 87 Expected life of componentsThe following table shows the expected life of certain components in the printer. To or

Contents 7FiguresFigure 1. Sample label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

88 Printer maintenance EN

EN Chapter 5 Theory of operation 89 5Theory of operationChapter contentsPower supply system . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

90 Theory of operation ENPrinting from tray 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

EN Chapter 5 Theory of operation 91 Power supply systemAC/DC power distributionIn this circuit, the AC power input from the power receptacle is conver

92 Theory of operation ENOvercurrent/overvoltage protectionIf a short-circuit or other problem on the load side causes an excessive current flow or ge

EN Chapter 5 Theory of operation 93 High-voltage power distributionFigure 9. Engine controller boardIn response to the instructions from the microproc

94 Theory of operation ENToner-cartridge detection This printer has cartridge detection and toner-level detection.For the cartridge detection, the CPU

EN Chapter 5 Theory of operation 95 Engine controller systemThe following systems and functions are controlled by the engine controller board:!DC powe

96 Theory of operation ENEngine controller board inputs and outputs Figure 12. Engine controller board I/O (1 of 5)

EN Chapter 5 Theory of operation 97 Figure 13. Engine controller board I/O (2 of 5)