HP 6L Bedienungsanleitung

®®Service ManualEnglish8.268” (A4 Width) X 11” (Letter Height) Front Cover8.268” (A4 Width) X 11” (Letter Height) Back CoverLaserJet 5L/6L/6L Gold/6L

8 ENAppendix B Regulatory informationLaser Safety (U.S.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177Laser Statement (

98 Removal and replacement EN4 Release the catch on the control panel cable guide by using the small flathead screwdriver to push on the tab (Figure 6

EN Top assemblies 99 5 Remove the self-tapping screw from the back sheet metal plate and lift it off (Figure 6-28, callout 1).6 Remove the (4) hex hea

100 Removal and replacement EN7 Release the sensor unit connector (Figure 6-29).Note This connector is not present on the HP LaserJet 6L Pro. For that

EN Top assemblies 101 Transfer Roller Guide and Transfer Roller1 Remove the Printer Covers, Pickup Roller Assembly (Figures 6-23 through 6-25), and Pa

102 Removal and replacement ENKick PlateCAUTION Be careful working with the Kick Plate and Separation Pad. The spring underneath the Kick Plate may st

EN Top assemblies 103 To reinstallIf the spring on the Kick Plate does not stay on the Kick Plate, replace the spring, making certain the diameter of

104 Removal and replacement ENSeparation Pad1 Remove the Printer Covers, Pickup Roller Assembly (Figures 6-23 and 6-24), and Kick Plate (Figure 6-31).

EN Top assemblies 105 SubpadsNote When you replace the Separation Pad, you should also replace the smaller subpads at the same time.1 Place your index

106 Removal and replacement ENFeed AssemblyThe Feed Assembly is located in the Paper Feed Frame.1 Remove the Printer Covers, Pickup Roller Assembly (F

EN Top assemblies 107 4 Remove the self-tapping screw that holds the Feed Assembly in place (Figure 6-36, callout 1). Note Before proceeding to Step 5

Contents 9FiguresFigure 1-1 HP LaserJet 5L model and serial numbers . . . . . . . . . . . . . . . . . . . . . . 15Figure 1-2 HP LaserJet 6L model an

108 Removal and replacement EN6 Turn the Feed Assembly over and place it in one hand with the roller-side down. Pop one of the tabs on the other side

EN Bottom assemblies 109 Bottom assembliesMemory Door GuideNote The HP LaserJet 6L Pro does not have a memory door.1 Remove the Printer Covers.2 Remov

110 Removal and replacement ENMotor1 Remove the Printer Covers.2 Remove the motor connector (Figure 6-39, callout 1).3 Remove the memory door guide (H

EN Bottom assemblies 111 DC Controller1 Remove the Printer Covers.2 Disconnect the motor connector from the motor (Figure 6-39, callout 1).3 Disconnec

112 Removal and replacement EN8 Lift the bottom plate, rotating the plate toward you from the back as if hinged on the front. Release the Fusing Assem

EN Bottom assemblies 113 Figure 6-42 DC Controller removal (3 of 3)11 Remove the DC Controller by lifting gently on the side opposite the formatter,

114 Removal and replacement ENFormatter PCACAUTION ESD SENSITIVE!1 Remove the Printer Covers and complete the DC Controller removal direction up to st

EN Chapter contents 115 7 TroubleshootingChapter contentsGeneral troubleshooting flowchart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

116 Troubleshooting ENGeneral troubleshooting flowchartWhen the AC power is first applied to the printer:l Both the printer motor and the laser/scanne

EN General troubleshooting flowchart 117 General Troubleshooting Flowchart (continued)Refer to the section “Image Formation Troubleshooting,” later in

10 ENFigure 6-31 Kick Plate removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102Figure 6-32 Kick Plate Spring

118 Troubleshooting ENPaper path and componentsFigure 7-1 Paper path and components DC Controller PCAMotorPaper Exit SensorPS201Fusing Unit Delivery

EN DC Controller diagram 119 DC Controller diagramFigure 7-2 DC Controller PCA components J302J304J401J301J207FU101J102FU102(110V onlyJ202J204J305SW1

120 Troubleshooting ENPrinter error troubleshootingInformation regarding printer status is conveyed by two methods: 1) the printer’s Control Panel lig

EN Printer error troubleshooting 121 Printer status messages The following table lists printer LED messages and their meanings and describes recommend

122 Troubleshooting ENOccasionally you may add paper, close the printer door, add the toner cartridge, and clear a paper jam, only to find that the pr

EN Printer error troubleshooting 123 Service and error messages Service errors prevent further printer operation until some action is taken. When ther

124 Troubleshooting ENFigure 7-3 Heating element resistance checkTable 7-3 Service and error messages (Continued 2 of 3)Beam Error. There are a numbe

EN Printer error troubleshooting 125 Table 7-3 Service and error messages (Continued 3of 3)Scanner Error. Caused by a scanner malfunction. 1. Power-cy

126 Troubleshooting ENImage formation troubleshootingCheck the toner cartridgeImage formation defects are many times the result of toner cartridge pro

EN Image formation troubleshooting 127 Image defect examples This section illustrates some image defects and their possible causes. Since there are ma

Contents 11TablesTable 1-1 Printer Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14Table

128 Troubleshooting ENHorizontal stripesSometimes horizontally aligned black streaks or smears can appear.l The toner cartridge may not be installed p

EN Image formation troubleshooting 129 Background scatterBackground scatter results from bits of toner distributed on the front or back of a printed p

130 Troubleshooting ENCurled or wrinkled sheets Media is curled or wrinkled when using the Paper Output Bin. l Verify that the media you are using mee

EN Image formation troubleshooting 131 Dark background l Adjust the toner density setting through your software or printer driver.l There may be disco

132 Troubleshooting ENWhite horizontal linel Replace the toner cartridge.Faulty registration/skewed imagel Unload the paper and re-stack it in the inp

EN Troubleshooting checks 133 Troubleshooting checksEngine testThe engine test print is used to verify that the print engine is functioning correctly.

134 Troubleshooting ENHalf self-test functional checkThe electrophotographic process can be subdivided into the following stages:l Cleaning (removing

EN Troubleshooting checks 135 High-voltage power supply checkThe High-Voltage Power Supply PCA provides the necessary voltages for the electrophotogr

136 Troubleshooting ENFigure 7-6 Toner cartridge high-voltage connection points (2 of 2)1 Charging2 Drum Ground3 Developing Roller123Service.book Pa

EN Troubleshooting checks 137 Paper curlPaper curl is inherent to the laser printing processes, and occurs when paper is subjected to heat. Paper curl

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138 Troubleshooting ENTroubleshooting toolsPaper path checkIf paper is not being picked up or is not moving through the paper path, you may want to ob

EN Troubleshooting tools 139 Repetitive image defect ruler Figure 7-8 Repetitive image defect rulerFirst occurrence of print defectDelivery Roller 44

140 Troubleshooting ENMain wiring diagramFigure 7-9 Main wiring diagramFusing AssemblyEP CartridgeHigh VoltageConnectorControl PanelFormatter PCAOpti

EN Troubleshooting tools 141 Table 7-6 Cable pinouts Connector Signal name RemarksJ401 pin 1 MA Motor Drive SignalJ401 pin 2 MA Motor Drive SignalJ4

142 Troubleshooting ENService.book Page 142 Thursday, September 14, 2000 11:15 AM

EN Chapter contents 143 8 Parts and diagramsChapter contentsHow to use the part lists and diagrams . . . . . . . . . . . . . . . . . . . . . . . . . .

144 Parts and diagrams ENHow to use the part lists and diagramsThe Figures in this chapter illustrate the major subassemblies in the printer and their

EN Accessories and supplies 145 Accessories and suppliesNote Refer to “Related Documentation” in Chapter 1 for documentation and training media produc

146 Parts and diagrams ENCommon hardwareTable 8-2 Common fasteners used in the printerExample DescriptionScrew, Machine, Trus Head M3x4, M3x6, M3x8Scr

EN Parts diagrams 147 Parts diagramsFigure 8-1 Major assembly locations Pick-up Assembly(Figure 8-7)DC Controller(Figure 8-6)Pick-up Roller Assembly(

EN Chapter contents 13 1 Product informationChapter contentsPrinter features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

148 Parts and diagrams ENFigure 8-2 Covers and doorsNot present on the HP LaserJet 6L Pro612102178594131135015024A1214Not present on the HP LaserJet

EN Parts diagrams 149 Table 8-3 Covers and doorsRef LaserJet 5L part numberLaserJet 6Lpart numberLaserJet 6L Pro part numberQty Description1 RB1-7211-

150 Parts and diagrams ENFigure 8-3 Internal components (1 of 3)17165011920501225037550246318Service.book Page 150 Thursday, September 14, 2000 11

EN Parts diagrams 151 Table 8-4 Internal componentsRef LaserJet 5L part numberLaserJet 6Lpart numberLaserJet 6L Pro part numberQty Description1 RY7-50

152 Parts and diagrams ENFigure 8-4 Internal components (2 of 3)6329115741501BA502128109BA9See Figure 8-10See Figure 8-7Note: For the HP LaserJet 6L

EN Parts diagrams 153 Table 8-5 Internal components (2 of 3)Ref LaserJet 5L part numberLaserJet 6Lpart numberLaserJet 6L Pro part numberQty Descriptio

154 Parts and diagrams ENFigure 8-5 Internal components (3 of 3)22152114132122124168211C520171918231067B3A9See Figure 8-9ABService.book Page 154 Th

EN Parts diagrams 155 Table 8-6 Internal components (3 of 3)Ref LaserJet 5L part numberLaserJet 6Lpart numberLaserJet 6L Pro part numberQty Descriptio

156 Parts and diagrams ENFigure 8-6 DC Controller/formatter and cables4261573151110981413126J305J001J208J207J401J105J801J802J005J002J008J206J209J202N

EN Parts diagrams 157 Table 8-7 DC Controller caseRef LaserJet 5L part numberLaserJet 6Lpart numberLaserJet 6L Pro part numberQty Description1 RG5-202

14 Product information ENPrinter featuresNote All references in this manual to the HP LaserJet 6L printer also apply to the HP LaserJet 6L Gold printe

158 Parts and diagrams ENFigure 8-7 Pickup Roller assembly41450113251161875019317SL0013See Figure 8-819Not shown: grounding spring (6L Pro only).Serv

EN Parts diagrams 159 Table 8-8 Pickup Roller assemblyRef LaserJet 5L part numberLaserJet 6Lpart numberLaserJet 6L Pro part numberQty Description1 RB1

160 Parts and diagrams ENFigure 8-8 Feed assembly9J004J003J202Paper pick-up sensor cable (see Table 8-7)Service.book Page 160 Thursday, September 1

EN Parts diagrams 161 Table 8-9 Feed assemblyRef LaserJet 5L part numberLaserJet 6Lpart numberLaserJet 6L Pro part numberQty Description0 RG5-1942-000

162 Parts and diagrams ENFigure 8-9 Separation Guide assembly247Service.book Page 162 Thursday, September 14, 2000 11:15 AM

EN Parts diagrams 163 Table 8-10 Separation Guide assemblyRef LaserJet 5L part numberLaserJet 6Lpart numberLaserJet 6L Pro part numberQty DescriptionR

164 Parts and diagrams ENFigure 8-10 Delivery assembly66724831Service.book Page 164 Thursday, September 14, 2000 11:15 AM

EN Parts diagrams 165 Table 8-11 Delivery assemblyRef LaserJet 5L part numberLaserJet 6Lpart numberLaserJet 6L Pro part numberQty DescriptionRG5-2012-

166 Parts and diagrams ENService.book Page 166 Thursday, September 14, 2000 11:15 AM

EN Alphabetical parts list 167 AParts indexAlphabetical parts listTable A-1 Alphabetical parts list Description Part No. Fig. Ref.AC Cable Cove RB1-73

EN Identification 15 IdentificationHP LaserJet 6L GoldThe HP LaserJet 6L Gold shares the same characteristics as the HP LaserJet 6L. For the purposes

168 Parts index ENDelivery Assembly (5L) RG5-2012-000CN 8-10Delivery Assembly (6L) RG5-3474-000CN 8-10Delivery Assembly (6L Pro) RG5-5482-000CN 8-10De

EN Alphabetical parts list 169 Fuse 101 (220 V) VD7-0643-151CN 8-6Fuse 102 (110 V) RH3-8003-000CN 8-6Fuser Cable Guide RB1-7130-000CN 8-4 6Fuser Conne

170 Parts index ENLaser Cable (5L) RG5-2035-000CN 8-6 13Laser\Scanner (Exchange) (5L) C3941-69003 8-3 19Laser\Scanner (New) (5L) RG5-2000-000CN 8-3 19

EN Alphabetical parts list 171 Right Leg RB1-7186-000CN 8-7 17Right Pressure Roller Housing RB1-7256-000CN 8-5 12Scanner Cable (5L) RG5-2034-000CN 8-6

172 Parts index ENNumerical parts listTable A-2 Numerical parts list Part No. Description Fig. Ref.C3941-69001 DC Controller PCA (110 V) Exchange (5L)

EN Numerical parts list 173 RB1-7289-000CN Fuser Roller Bushing (5L) 8-9 4RB1-7293-000CN Flag 8-5RB1-7294-000CN Flag Spring 8-5 18RB1-7302-000CN Cap 8

174 Parts index ENRF5-1517-000CN Fuser Pressure Plate 8-5 5RF5-1521-000CN Exit Roller (5L) 8-3 16RF5-1522-000CN Fuser Exit Roller Assembly (5L) 8-9 7R

EN Numerical parts list 175 RG5-3485-000CN Feed Assembly (6L and 6L Pro) 8-8RG5-3486-000CN Pickup Roller Assembly (6L) 8-7 4RG5-3488-000CN Input Assem

176 Parts index ENXA9-0824-000CN Screw 8-5 17XA9-0855-000CN Screw (with star washer) 8-4 10XB1-1300-807CN Screw 8-4 502XB4-7401-0007 Screw 8-7 501XB4-

EN Laser Safety (U.S.) 177 BRegulatory informationLaser Safety (U.S.)The Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug A

16 Product information ENFigure 1-2 HP LaserJet 6L model and serial numbersService.book Page 16 Thursday, September 14, 2000 11:15 AM

178 Regulatory information ENLaser Statement (Finland)The following applies to printer operation and servicing in Finland.LaserturvallisuusLuckan 1 La

EN Laser Safety (U.S.) 179 Toner safetyNote In case of toner spills, skin and clothing are best cleaned by removing as much toner as possible with a d

180 Regulatory information ENFCC Statement (Class B)Note: This equipment has been tested and found to comply with the limits for a Class B digital dev

EN 181 IndexAAC bias 62AC power See also powerdisconnecting 85distribution 56troubleshooting 116accessories and supplies 23accessories, ordering 14

182 ENconsumableslife expectancies 48ordering 144contacts, DC Controller 119continue from memory errors 40continuous self-test 44control panelasse

EN 183 Enhanced I/O 59Enhanced PCL 5 14envelopes, input tray capacity 14environmental specifications 32EP Doordisabling high voltage power supply

184 ENhigh voltage power supplyoperations 57testing 135voltage 57horizontal lines, troubleshootingblack 128white 132HP Authorized Service Providers 2

EN 185 Material Safety Data Sheet (MSDS) 179maximum paper size 14memorycapacity 14clearing 45Enhanced I/O 59error priority 120errors, continuing f

186 ENPaper Output Bincapacity 14feeding operations 63locating 19Paper Output Supports 19paper pathcomponents 118curl, reducing 137diagram 63feedin

EN 187 Qquality, troubleshooting 126, 127Quick Reference Service Guide, HP LaserJet Family 22RRAM. See memoryReady light 38, 121receptacle, power

EN Identification 17 Figure 1-3 HP LaserJet 6L Pro model and serial numbersService.book Page 17 Thursday, September 14, 2000 11:15 AM

188 ENspecificationsdimensions 33electrical 18environmental 32performance 18space requirements 33speedfirst print 18pages per minute 14spilled tone

EN 189 troubleshootingbeam errors 124connectors 122control panel 116curled pages 130, 137drum 126engine errors 124errors 120, 121flags, sensor 122

190 ENService.book Page 190 Thursday, September 14, 2000 11:15 AM

®*C8060-90903**C *8060-90903C8060-90903© Copyright 2002Hewlett-Packard Co.Manual Part No.C8060-90903

18 Product information ENSpecificationsTable 1-3 Performance specificationsCategory SpecificationPrint Speed1: HP LaserJet 5LPrint Speed: HP LaserJet

EN Product overview 19 Product overviewFigure 1-4 Front/side views of the printer1 Paper Input Support (not present on the HP LaserJet 6L Pro)2 Paper

20 Product information ENFigure 1-5 Front door assemblies14 Paper Release Lever15 Toner Cartridge Compartment16 Transfer Roller (do not touch)17 EP D

EN Product overview 21 Figure 1-6 Back view of the printer18 Power Cable Connector19 Parallel Cable Connector20 Memory Expansion Cover (not present o

22 Product information ENService approachRepair of the printer normally begins with the use of the printer’s internal diagnostics in conjunction with

EN Technical assistance 23 Technical assistanceHP Customer Care Along with your product, you receive a variety of support services from Hewlett-Packar

24 Product information ENCustomer Care options worldwide HP Customer Care and Product Repair Assistance for the U.S. and Canada: Call (208) 323-2551 i

EN Technical assistance 25 HP worldwide sales and service officesArgentina Australia AustriaHewlett-Packard ArgentinaMontañeses 21401428 Buenos AiresP

26 Product information ENIndia Indonesia IsraelHewlett-Packard India Ltd.Chandiwala EstateMaa Anandmai MargKalkaji, New Delhi - 110019Phone: (91 11) 6

EN Technical assistance 27 Russian Federation Singapore SpainHewlett-Packard CompanyRepresentative OfficeKosmodamianskaya naberezhnaya 52, Building 11

HP LaserJet 5L/6L/6L Gold/6L Pro PrinterService Manual _____________Service.book Page 1 Thursday, September 14, 2000 11:15 AM

28 Product information ENWarranty1 HP warrants to you the end-user customer, that HP hardware, accessories and supplies, will be free from defects in

EN Warranty 29 HP LaserJet Toner Cartridge warrantyHP LaserJet Toner Cartridges are warranted to be free from defects in materials and workmanship unt

30 Product information ENService.book Page 30 Thursday, September 14, 2000 11:15 AM

EN Chapter contents 31 2 Site requirementsChapter contentsSite requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

32 Site requirements ENSite requirementsOperating environmentThe environmental requirements listed in the table below must be maintained to ensure the

EN Printer space requirements 33 Printer space requirementsFigure 2-1 Printer space requirementsLegal (paper guide not present on HP LaserJet 6L Pro)

34 Site requirements ENThe HP C3906A/F Toner CartridgeToner Cartridges contain components that are sensitive to light, temperature, and humidity. Foll

EN The HP C3906A/F Toner Cartridge 35 Toner cartridge handling suggestions l Before installing a cartridge, distribute the toner evenly by rotating th

36 Site requirements ENService.book Page 36 Thursday, September 14, 2000 11:15 AM

EN Chapter contents 37 3 Operating overviewChapter contentsUsing the Control Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hewlett-Packard Company11311 Chinden BoulevardBoise, Idaho 83714 U.S.A.© Copyright Hewlett-Packard Company, 2002All Rights Reserved. Reproduction, ada

38 Operating overview ENUsing the Control PanelControl Panel layoutThe Control Panel is located on the front of the printer and consists of one button

EN Using the Control Panel 39 Data Light is blinkingPrinter is in Manual Feed mode.Make sure that the correct paper is loaded. Then, press and release

40 Operating overview ENThe Control Panel ButtonDepending on what state the printer is in, pressing the Control Panel Button allows you to control pri

EN Printing a self-test page 41 Printing a self-test pageA self-test page can be useful in troubleshooting printer problems and determining which font

42 Operating overview ENFigure 3-2 Self-test page for HP LaserJet 6LService.book Page 42 Thursday, September 14, 2000 11:15 AM

EN Printing a self-test page 43 Figure 3-3 Self-test page for HP LaserJet 6L ProThe self-test page lists the current printer configuration. (If any f

44 Operating overview ENContinuous self test Note The HP LaserJet 6L Pro does not support the continuous self test.A continuous self test can be usefu

EN Resetting the printer 45 Resetting the printer Resetting the printer accomplishes the following:l Clears all data from the printer’s memory (includ

46 Operating overview ENService.book Page 46 Thursday, September 14, 2000 11:15 AM

EN Chapter contents 47 4 Printer maintenanceChapter contentsLife expectancy of consumables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

EN 3 ConventionsThis is a combined Service Manual for the HP LaserJet 5L, 6L, 6L Gold, and 6L Pro printers. The HP LaserJet 6L Gold shares the same

48 Printer maintenance ENLife expectancy of consumablesAlways inspect the components listed in Table 4-1 for wear when servicing the printer. Replace

EN Toner cartridge life 49 Toner cartridge lifeThe toner cartridge has been designed to simplify the replacement of the printer’s major parts. The ton

50 Printer maintenance ENRefilled toner cartridgesWhile Hewlett-Packard does not prohibit the use of refilled toner cartridges during the warranty per

EN Cleaning the printer 51 Cleaning the printerTo maintain the print quality, thoroughly clean the printer:l Every time you change the toner cartridge

52 Printer maintenance ENFigure 4-2 Static Eliminator Teeth (located in front of the transfer roller)Cleaning spilled toner Defective toner cartridge

EN Chapter contents 53 5 Functional overviewChapter contentsBasic printer functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

54 Functional overview ENBasic printer functionsThis chapter presents a generalized functional overview of the printer and the printing processes. The

EN DC Controller/power system 55 DC Controller/power system The DC Controller PCA coordinates all print engine activities, drives the laser, and coord

56 Functional overview ENPrint engine control systemLaser and scanner driveBased on information received from the Formatter, the DC Controller sends s

EN DC Controller/power system 57 DC power distributionThe DC power distribution circuitry, located on the DC Controller PCA, distributes +5 V DC and +

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58 Functional overview ENFormatter systemThe Formatter PCA is responsible for the following: l Receiving and processing print data from the printer in

EN Formatter system 59 Resolution Enhancement technology (REt)The Formatter PCA contains circuitry for Resolution Enhancement technology (REt), which

60 Functional overview ENPage ProtectPage complexity (rules, complex graphics, or dense text) may exceed the printer‘s ability to create the page imag

EN Image formation system 61 Image formation systemLaser printing requires the interaction of several different technologies (such as electronics, opt

62 Functional overview ENStep 1: Drum cleaningThe cleaning blade is in contact with the surface of the drum at all times. As the drum rotates during p

EN Paper feed system 63 Paper feed system Both the Paper Input Tray and the Single Sheet Input Slot merge into one, main input area. Paper placed in e

64 Functional overview ENFigure 5-6 shows the locations of the photosensors, switches, solenoid, and other important printer elements. Table 5-1 descr

EN Paper feed system 65 Paper jam detectionThe Paper Out Sensor (PS202), Paper Registration Sensor (PS203), and the Paper Exit Sensor (PS201) detect w

66 Functional overview ENBasic sequence of operation The Formatter PCA and the DC Controller PCA share information during printer operation. The DC Co

EN Basic sequence of operation 67 Figure 5-7 General timing diagram - HP LaserJet 5LService.book Page 67 Thursday, September 14, 2000 11:15 AM

Contents 5Contents1 Product informationChapter contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Printer feature

68 Functional overview ENFigure 5-8 General timing diagram - HP LaserJet 6L and HP LaserJet 6L ProSLService.book Page 68 Thursday, September 14, 20

EN Chapter contents 69 6 Removal and replacementChapter contentsRemoval and replacement strategy. . . . . . . . . . . . . . . . . . . . . . . . . . .

70 Removal and replacement ENRemoval and replacement strategyThis chapter documents removal and replacement of Field Replaceable Units (FRUs) only. Re

EN Required tools 71 Required toolsl #2 Phillips screwdriver with a magnetic tipl small flathead screwdriverl needlenose pliersCAUTION A PosiDriv scre

72 Removal and replacement ENInstalling memory cards (DRAM)NoteThe HP LaserJet 6L Pro does not support memory upgrades.1 Unplug the power cord from th

EN Covers and doors 73 Covers and doorsBack Cover1 Unplug the power cord and remove the parallel cable from the back of the printer.2 Remove the toner

74 Removal and replacement EN5 Separate the rear panel from the main cover, pulling the lower corners away from the printer first. Then, insert the sm

EN Covers and doors 75 EP Door Assembly1 Unplug the power cord and remove the parallel cable from the back of the printer.2 Open the EP Door.3 Remove

76 Removal and replacement ENMemory DoorNote This procedure does not apply to the HP LaserJet 6L Pro. That model does not have a Memory Door.1 Unplug

EN Covers and doors 77 Main Cover and Paper Input Assembly1 Remove the toner cartridge.2 Remove memory door (HP LaserJet 5L and 6L).CAUTION Remove the

6 EN4 Printer maintenanceChapter contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47Life expectancy of consumabl

78 Removal and replacement ENInternal assembliesControl PanelProcedure for HP LaserJet 5L and 6L1 Remove the Printer Covers.2 Use the needlenose plier

EN Internal assemblies 79 Exit Roller Assembly1 Remove Printer Covers.2 Grasp both tabs at the lower ends of the Exit Roller bushings and pull inward.

80 Removal and replacement ENDelivery Assembly1 Remove the Printer Covers and Exit Roller Assembly.2 Remove the EP Right-hand assembly by pressing inw

EN Internal assemblies 81 3 Use the magnetic screwdriver to remove the (2) screws (Figure 6-10, callout 1). 4 Rotate the rear of the Delivery Assembly

82 Removal and replacement ENFuser Pressure Plate1 Remove Printer Covers and Delivery Assembly (Figures 6-9 and 6-10).2 Remove the (2) screws (Figure

EN Internal assemblies 83 To reinstallThe Fuser Pressure Plate is kept in place by four locking mechanisms in each corner. Place the rear slits in the

84 Removal and replacement ENHeating Element1 Remove Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), and Fuser Pressure Plate (Figure 6-11).

EN Internal assemblies 85 3 Disconnect the AC voltage to the Heating Element by releasing the connector located on the DC Controller. Press down on th

86 Removal and replacement EN4 Remove the wire from the wire guides along the right-side of the printer.5 Disconnect the thermistor feedback connector

EN Internal assemblies 87 Pressure Roller1 Remove Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), Fuser Pressure Plate (Figure 6-11), and He

EN 7 Pressure Roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87Face-Up/Face-Down Lever. . . . . . . . . . . . . .

88 Removal and replacement ENFace-Up/Face-Down Lever1 Remove Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), Fuser Pressure Plate (Figure 6-

EN Internal assemblies 89 Fuser Exit Roller Assembly1 Remove Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), Fuser Pressure Plate (Figure 6-

90 Removal and replacement ENPaper Exit Sensor Flag 1 Remove the Printer Covers, Delivery Assembly (Figures 6-9 and 6-10), and Fuser Pressure Plate (F

EN Top assemblies 91 Top assembliesLaser/Scanner Assembly1 Remove the Printer Covers.2 Remove both Laser/Scanner connectors (Figure 6-20, callout 1).N

92 Removal and replacement ENSolenoid1 Remove the Printer Covers.2 On the left side of the printer, remove the paper pickup gear (Figure 6-21, callout

EN Top assemblies 93 3 Remove the Solenoid connector (J204) from the DC Controller (Figure 6-22, callout 1).4 Remove the self-tapping screw that holds

94 Removal and replacement ENPickup Roller Assembly1 Remove the Printer Covers.2 Remove the paper pickup gear (Figure 6-21).Note This gear is keyed to

EN Top assemblies 95 4 Using needlenose pliers, pull the bottom of the bushing out (Figure 6-24, callout 1), then turn it counter clockwise to release

96 Removal and replacement ENTo reinstallAfter placing the Pickup Roller shaft through on the left side, line up the Idler Roller tabs while repositio

EN Top assemblies 97 Paper Feed Frame1 Remove the Printer Covers.2 Remove the Pickup Roller Assembly (Figures 6-23 through 6-24).3 Disconnect the foll