HP LaserJet 1022 Series Service Manual

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3 Locate the pickup roller. 4 Gently release the small, white tabs on each side of the pickup roller by pushing them away from the roller, and then rotate the pickup roller toward the front. CAUTION Use gentle pressure to release the small, white tabs to avoid breaking them. 5 Gently pull the pickup roller up and out. 6 Position the new pickup roller in the slot of the previous pickup roller. NOTE Circular and rectangular pegs on each side prevent you from incorrectly positioning the pickup roller. ENWW User-replaceable parts 31
7 Rotate the top of the new pickup roller into position until the white tabs on each side of the roller snap the roller into place. 8 Reinstall the print cartridge and close the print cartridge door. 9 Plug in the printer, and then turn it on. 32 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 40 and 41: Cleaning the pickup roller If you w
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
Page 90 and 91: Reinstallation tip A small groundin
Page 92 and 93:
4 Remove two screws from the back o
Page 94 and 95:
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
Page 104 and 105:
Table 6-1 Basic troubleshooting (co
Page 106 and 107:
Control-panel lights The printer in
Page 108 and 109:
Jams Clearing jams CAUTION Do not u
Page 110 and 111:
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
Page 126 and 127:
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
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How to use the parts lists and diag
Page 138 and 139:
Table 7-3 Printer exchange Ref Desc
Page 140 and 141:
Table 7-4 External covers and panel
Page 142 and 143:
Table 7-5 Internal components (1 of
Page 144 and 145:
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
Page 154 and 155:
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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