HP LaserJet 1022 Series Service Manual

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Card stock and heavy media For optimum performance, do not use paper heavier than 157-g/m 2 (42-lb). Paper that is too heavy might cause misfeeds, stacking problems, jams, poor toner fusing, poor print quality, or excessive mechanical wear. Card-stock construction ■ Smoothness: 135- to 157-g/m 2 (36- to 42-lb) card stock should have a smoothness rating of 100 to 180 Sheffield. 60- to135-g/m 2 (16- to 36-lb) card stock should have a smoothness rating of 100 to 250 Sheffield. ■ ■ ■ Construction : Card stock should lie flat with less than 5 mm (0.2 inch) of curl. Condition: Make sure that the card stock is not wrinkled, nicked, or otherwise damaged. Sizes: Only use card stock within the following size ranges: ■ ■ Minimum: 76 x 127 mm (3 x 5 inches) Maximum: 216 x 356 mm (8.5 x 14 inches) Card-stock guidelines ■ Set margins at least 2 mm (0.08 inch) away from the edges. ENWW Guidelines for using media 19
Loading media Loading media in the HP LaserJet 1022 series printers is simple and straightforward. This section describes loading bulk media to print. Main input tray The main input tray holds up to 250 sheets of 75-g/m 2 (20-lb) paper or a 25 mm (0.98 inch) stack of heavier media. Load media with the top forward and the side to be printed on facing up. To prevent jams and skew, always adjust the side and rear media guides. Priority feed slot The priority feed slot is used to feed a single sheet of recommended media for manual feeding and special operations. It can hold one page of 75-g/m 2 (20-lb) paper, but is best used to feed a single sheet of heavy paper (163-g/m 2 [42-lb]) or card stock, or a single envelope or transparency. Load media with the top forward and the side to be printed on facing up. To prevent jams and skew, always adjust the side media guides. If you try to print on media that is wrinkled, folded, or damaged in any way, a jam might occur. See the user guide for more information. See Jams on page 37. NOTE When adding new media, make sure to remove all of the media from the input tray and straighten the stack of new media. This helps prevent multiple sheets of media from feeding through the printer at one time, and therefore reduces jams. Specific types of media ■ ■ ■ ■ Transparencies and labels: Load transparencies and labels with the top forward and the side to be printed facing up. See the user guide on the product CD for more information. Envelopes: Load envelopes with the narrow, stamp side forward and the side to be printed facing up. See the user guide for more information. Letterhead or preprinted forms: Load with the top forward and the side to be printed facing up. See the user guide for more information. Cards and custom-sized media: Load with the narrow side forward and the side to be printed facing up. See the user guide for more information. 20 Chapter 2 Installation and Operation 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 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
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
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4 Squeeze the two retaining tabs on
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7 Lift up on the top-cover assembly
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Front cover 1 Remove the following
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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).
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Engine control unit (ECU) assembly
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6 Two sheet-metal hook hinges (one
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Laser/scanner assembly 1 Remove the
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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
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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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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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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
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© 2005 Hewlett-Packard Development
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HP LaserJet 1022 Series Service Manual

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