User manual OKI DATA OKIPAGE 4W SERVICE MANUAL

[. . . ] Page: 1 Service Guide OKIPAGE4w Chapter 0 General Manual Information OKIDATA OKIPAGE4w LED Page Printer Service Manual Adobe Acrobat printable reference copy of the OKIDATA Service Training Manual. 09/17/97 Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures rendered at 300 dpi, which is ideal for printing, but does not view on most displays well. Okidata is a registered trademark, and OkiPage is a trademark of Oki Electric Industry Co. , Ltd. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx. okidata. com) Table of Contents Page Service Guide OKIPAGE4w 0 General Manual Information Front Cover Preface 1 Configuration CONFIGURATION Printer Configuration Specification Safety Standards - Certification Label . . . . Warning Label 2 Operation Description OPERATION DESCRIPTION Main Control Board Power Supply Unit High-Voltage Power Supply Board Electro-Photographic Processor Electro-Photographic Process . . . . Explanation of Each Operation - Hopping . . . . Printing and warm-up . . . . Charging . . . . Exposure . . . . Development . . . . Transfer . . . . Fusing . . . . Cleaning Paper Jam Detection Toner Low Detection Cover Open 3 Parts Replacement Parts Replacement Precautions for Parts Replacement Parts Layout . . . . Base Frame Unit . . . . Base Plate Unit Replacing Parts . . . . Extend Plate . . . . LED Head and Head Spring . . . . Transfer Roller . . . . Upper Cover Assy . . . . High-Voltage Power Supply Board . . . . Top Cover Assy and Flat Cable Assy . . . . Paper Holder . . . . Side Plate M and Idle Gear . . . . Registration Roller . . . . Eject Roller Shaft and Eject Roller . . . . Fuser Assy . . . . Pressure Roller B (Back Up Roller) . . . . Separator Guide . . . . Pulse Motor (Main) . . . . Hopping Shaft Assy 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 Table of Contents Page . . . . Paper Sensor E, Paper Sensor Exit and Toner Sensor Assy . . . . Base Plate 4 Adjustment Adjustment . . . . Adjustment Types and Functions . . . . Adjustment When Replacing a Part 5 Periodical Maintenance Periodical Maintenance - Periodical Replacement Parts Cleaning 6 Troubleshooting Procedures Troubleshooting Procedures - Troubleshooting Tips Check Points Before Correcting Image Problems Notes When Correcting Image Problems Preparation Before Troubleshooting Troubleshooting . . . . Status Monitor Message List . . . . Status Message Troubleshooting . . . . . . . . The OKIPAGE 4w malfunctions after the power supply has been turned on. [. . . ] (http://bpx. okidata. com) Page: 43 Service Guide OKIPAGE4w Chapter 3 Parts Replacement Separator Guide (1) Remove the upper cover assy. Removing inlet 2 Insert a screwdriver into the hole on the side of base frame 3, remove the inlet claw from base frame 8, and remove inlet 2. (5) Disconnect three cables 4 and connector 11 and remove base frame 3. Disconnecting connector 11 Remove connector 11 by drawing it upward while pushing the clamp lever with a standard screwdriver. (8) Remove friction pad 6, compression spring S7, and separator guide 8. (9) Remove paper sensor E9. Copyright 1997, Okidata, Division of OKI America, Inc. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx. okidata. com) Page: 44 Service Guide OKIPAGE4w Chapter 3 Parts Replacement Pulse Motor (Main) (1) Remove the upper cover assy. (5) Remove two screws 1 and remove pulse motor (main) 2. Copyright 1997, Okidata, Division of OKI America, Inc. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx. okidata. com) Page: 45 Service Guide OKIPAGE4w Chapter 3 Parts Replacement Hopping Shaft Assy (1) Remove the upper cover assy. (7) Raise up roller holder 3, slide hopping shaft assy 1, and remove roller holder 3 and hopping roller 4. Take care not to lose it. ) (8) Draw out hopping shaft assy 1 to the right and remove magnet H6. Copyright 1997, Okidata, Division of OKI America, Inc. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx. okidata. com) Page: 46 Service Guide OKIPAGE4w Chapter 3 Parts Replacement Paper Sensor E, Paper Sensor Exit and Toner Sensor Assy (1) Remove the upper cover assy. (10) Remove toner sensor assy 3. Copyright 1997, Okidata, Division of OKI America, Inc. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx. okidata. com) Page: 47 Service Guide OKIPAGE4w Chapter 3 Parts Replacement Base Plate (1) Remove the upper cover assy. (3) Remove two screws 1, disconnect connector 2, and remove power supply unit 3. (5) Remove two screws 5 and remove main control board 6 from base plate 7. Copyright 1997, Okidata, Division of OKI America, Inc. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx. okidata. com) Page: 48 Service Guide OKIPAGE4w Chapter 4 Adjustment ADJUSTMENT This chapter explains adjustment necessary when a part is replaced. [. . . ] DETAIL OF EACH FUNCTION 4. 1 Engine Menu Setting Engine Menu Setting is used to set, display, and change the following menu items: (See Figure C-1. ) (1) Print Position Used to adjust the print start position. (4) LED Head Wire Used to specify whether the data wire of the LED head is one-wire (non-adjustment) type or two-wire (adjustment) type. (This printer, however, can use only one-wire type. ) (5) Setting or Humidity Used to adjust transfer current. (6) Entry Used to reflect the engine menu setting values on the printer. 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