HP LaserJet 1022 Series Service Manual

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Cleaning the pickup roller If you want to clean the pickup roller rather than replace it, use the following instructions. Remove the pickup roller as described in steps 1 through 5 of Replacing the pickup roller on page 30. With the roller outside the printer, use the following steps to complete the cleaning. 1 Dampen a lint-free cloth with water and scrub the roller. 2 Using a dry, lint-free cloth, wipe the pickup roller to remove loosened dirt. 3 Allow the pickup roller to dry completely before you reinstall it in the printer. To reinstall the pickup roller, see steps 6 through 9 of Replacing the pickup roller on page 30. ENWW Cleaning the product 29
User-replaceable parts To order a new pickup roller or separation pad, go to www.partsdirect.hp.com. Replacing the pickup roller If the printer regularly misfeeds (no media feeds through) and cleaning the pickup roller does not fix the problem, replace the pickup roller. CAUTION Failure to complete all of the steps in this procedure might damage the product. 1 Turn off the printer, unplug and remove the power cord. Wait for the printer to cool. 2 Open the print-cartridge door, and remove the print cartridge. 30 Chapter 3 Maintenance ENWW
Page 1: HP LaserJet 1022, 1022n, 1022nw Ser
Page 4 and 5: Table of contents 1 Product Informa
Page 6 and 7: 5 Removal and replacement Removal a
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 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
Page 74 and 75: 7 Rotate the top of the new pickup
Page 76 and 77: 3 Remove the separation pad. 4 Inse
Page 78 and 79: Replacing the output-bin extension
Page 80 and 81: 3 Open the print-cartridge door. Gr
Page 82 and 83: 4 Squeeze the two retaining tabs on
Page 84 and 85: 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
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Reinstallation tip A small groundin
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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
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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
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Functional checks This section incl
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High-voltage-contacts check The hig
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Troubleshooting tools If the printe
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Solenoid, sensors, switches, and mo
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7 Parts and diagrams This chapter p
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Accessories and consumables Accesso
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How to use the parts lists and diag
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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:
Page 148 and 149:
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
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HP Customer Care Online 122 HP Jetd
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disconnecting 58 engine power assem
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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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