User manual ARIENS 824008

[. . . ] 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) 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. . . . . . . . . [JAM error] - Paper input jam . . . . . . . . [JAM error] - Paper feed jam . . . . . . . . Paper exit jam . . . . . . . . Paper size error . . . . . . . . Fuser assy error . . . . Image Troubleshooting . . . . . . . . An image is light or blurred entirely. [. . . ] (4) Remove the engagement with the left ground, then pressure roller B1. (Two bearing BUs 2 and two bias springs 3 also come off at the same time. ) 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: 43 Service Guide OKIPAGE4w Chapter 3 Parts Replacement Separator Guide (1) Remove the upper cover assy. (2) Remove the high-voltage power supply board. (See High-Voltage Power Supply Board in this Chapter). 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. Then, remove screw 10 and disconnect FG cable 12. Disconnecting connector 11 Remove connector 11 by drawing it upward while pushing the clamp lever with a standard screwdriver. (7) Remove two engagements and sheet guide 5. (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. This adjustment is made by changing the parameters values set in EEPROM on the main control board. The printer driver or maintenance utility can be used to change these values. Only service and maintenance personnel may use the maintenance utility. This utility cannot be made public for end users. Copyright 1997, Okidata, Division of OKI America, Inc. [. . . ] (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. (7) Cancel Used to clear unreflected items. [. . . ]