HP LaserJet 1022 Series Service Manual

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5 Removal and replacement Removal and replacement strategy......................................................................................................58 Required tools .....................................................................................................................58 Before performing service....................................................................................................58 Print cartridge .....................................................................................................................59 Parts removal order ............................................................................................................60 User-replaceable parts ........................................................................................................................61 Replacing the pickup roller .................................................................................................61 Replacing the separation pad .............................................................................................64 Replacing the main input tray (paper-pickup tray assembly) ..............................................66 Replacing the output-bin extension (delivery-tray assembly) .............................................67 Covers..................................................................................................................................................68 Right-side cover...................................................................................................................68 Left-side cover.....................................................................................................................70 Rear panel and top-cover assembly....................................................................................70 Front cover...........................................................................................................................75 Internal assemblies..............................................................................................................................77 Transfer-roller assembly......................................................................................................77 Engine-power assembly......................................................................................................80 Fuser (fixing) assembly........................................................................................................82 Paper-pickup assembly.......................................................................................................84 Engine control unit (ECU) assembly....................................................................................85 Laser/scanner assembly......................................................................................................89 6 Troubleshooting Basic troubleshooting...........................................................................................................................92 Basic troubleshooting..........................................................................................................92 Reset the factory default settings (cold reset)......................................................................................94 Control-panel pages.............................................................................................................................94 Control-panel lights..............................................................................................................................95 Control-panel light patterns..................................................................................................95 Jams.....................................................................................................................................................97 Clearing jams.......................................................................................................................97 Typical media jam locations................................................................................97 Removing a jammed page..................................................................................98 Print-quality troubleshooting...............................................................................................................100 Print-cartridge problems....................................................................................................100 Checking the print cartridge..............................................................................100 To redistribute toner in the print cartridge.........................................100 Solving print-quality problems............................................................................................100 Solving paper-feed problems.............................................................................................................111 Functional checks...............................................................................................................................113 Half self-test functional check............................................................................................113 To perform a half self-test check.......................................................................113 To perform other checks...................................................................................113 Drum-rotation functional check .........................................................................................114 High-voltage-contacts check..............................................................................................115 To check the print-cartridge contacts ..............................................................115 To check the printer high-voltage contacts ......................................................116 Troubleshooting tools.........................................................................................................................117 ENWW v
Repetitive-image-defect ruler.............................................................................................117 Circuit diagram ..................................................................................................................118 Solenoid, sensors, switches, and motor.............................................................................................119 7 Parts and diagrams Ordering parts and supplies...............................................................................................................122 Parts..................................................................................................................................122 Related documentation and software................................................................................122 Parts that wear ..................................................................................................................122 Accessories and consumables...........................................................................................................123 Accessories.......................................................................................................................123 Common hardware ...........................................................................................................124 How to use the parts lists and diagrams............................................................................125 Printer exchange/parts.......................................................................................................................126 External covers and panel..................................................................................................................128 Internal components...........................................................................................................................130 Alphabetical parts list.........................................................................................................................138 Numerical parts list.............................................................................................................................140 Index...................................................................................................................................................................143 vi ENWW
Page 1: HP LaserJet 1022, 1022n, 1022nw Ser
Page 4 and 5: Table of contents 1 Product Informa
Page 8 and 9: List of tables Table 1-1 Physical s
Page 10 and 11: List of figures Figure 1-1 Front an
Page 12 and 13: 1 Product Information This chapter
Page 14 and 15: Overview of product HP LaserJet 102
Page 16 and 17: Model and serial numbers The model
Page 18 and 19: Electrical specifications Table 1-4
Page 20 and 21: Print-cartridge information The pri
Page 22 and 23: Laser statement for Finland LASERTU
Page 24 and 25: 2 Installation and Operation This c
Page 26 and 27: Identifying the control-panel compo
Page 28 and 29: Guidelines for using media HP Laser
Page 30 and 31: Card stock and heavy media For opti
Page 32 and 33: Setting media types Use the procedu
Page 34 and 35: 3 Maintenance This chapter describe
Page 36 and 37: Table 3-1 Life expectancies of part
Page 38 and 39: Cleaning the print-cartridge area Y
Page 40 and 41: Cleaning the pickup roller If you w
Page 42 and 43: 3 Locate the pickup roller. 4 Gentl
Page 44 and 45: Replacing the separation pad If the
Page 46 and 47: Replacing the main input tray (pape
Page 48 and 49: Jams Clearing jams CAUTION Do not u
Page 50 and 51: 3 When you have removed the jammed
Page 52 and 53: 4 Operational overview This chapter
Page 54 and 55: Formatter system The formatter coor
Page 56 and 57:
Printer operation Printer functions
Page 58 and 59:
Printer laser/scanner unit The ECU
Page 60 and 61:
Engine controller PCB Power supply
Page 62 and 63:
6 Fusing stage—During this proces
Page 64 and 65:
Jam detection The top-of-page senso
Page 66 and 67:
Basic sequence of operation (format
Page 68 and 69:
5 Removal and replacement This chap
Page 70 and 71:
Print cartridge 1 Open the print-ca
Page 72 and 73:
User-replaceable parts To order a n
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7 Rotate the top of the new pickup
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3 Remove the separation pad. 4 Inse
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Replacing the output-bin extension
Page 80 and 81:
3 Open the print-cartridge door. Gr
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4 Squeeze the two retaining tabs on
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7 Lift up on the top-cover assembly
Page 86 and 87:
Front cover 1 Remove the following
Page 88 and 89:
Internal assemblies When replacing
Page 90 and 91:
Reinstallation tip A small groundin
Page 92 and 93:
4 Remove two screws from the back o
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4 Remove three screws (callout 2).
Page 96 and 97:
Engine control unit (ECU) assembly
Page 98 and 99:
6 Two sheet-metal hook hinges (one
Page 100 and 101:
Laser/scanner assembly 1 Remove the
Page 102 and 103:
6 Troubleshooting This chapter desc
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Table 6-1 Basic troubleshooting (co
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Control-panel lights The printer in
Page 108 and 109:
Jams Clearing jams CAUTION Do not u
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3 When you have removed the jammed
Page 112 and 113:
Table 6-4 Solving print-quality pro
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Page 116 and 117:
Page 118 and 119:
Page 120 and 121:
Page 122 and 123:
Solving paper-feed problems Use the
Page 124 and 125:
Functional checks This section incl
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High-voltage-contacts check The hig
Page 128 and 129:
Troubleshooting tools If the printe
Page 130 and 131:
Solenoid, sensors, switches, and mo
Page 132 and 133:
7 Parts and diagrams This chapter p
Page 134 and 135:
Accessories and consumables Accesso
Page 136 and 137:
How to use the parts lists and diag
Page 138 and 139:
Table 7-3 Printer exchange Ref Desc
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Table 7-4 External covers and panel
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Table 7-5 Internal components (1 of
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Page 146 and 147:
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Table 7-8 Paper-pickup assembly Ref
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Table 7-9 Alphabetical parts list (
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Table 7-10 Numerical parts list (co
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Index A ac bias 50 ac power distrib
Page 156 and 157:
HP Customer Care Online 122 HP Jetd
Page 158 and 159:
disconnecting 58 engine power assem
Page 160 and 161:
media sizes supported 16 multifeeds
Page 163:
© 2005 Hewlett-Packard Development
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HP LaserJet 1022 Series Service Manual

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