Oki C9800 Series Manuel utilisateur

C9800 Series / pro900 Series

Service & Troubleshooting Guide

Disclaimer

Every effort has been made to ensure that the information in this document is complete, accurate, and up to date. The manufacturer assumes no responsibility

for the results of errors beyond its control. While all reasonable efforts have been made to make this document accurate and helpful as possible, we make no

warranty of any kind, expressed or implied, as to the accuracy or completeness of the information contained herein. For the most up-to-date service information

available, visit our website at www.okidata.com © Okidata Americas, Inc. 2010

Contents

Chapter 1

Printer Maintenance Procedures

1.1 Service Maintenance Procedures

1.2 Cleaning the Printer

1.3 Cleaning the Imaging Unit Contacts

1.4 Cleaning the LED Heads

1.5 Cleaning the Feed Rollers

Chapter 2

User Menu and Adjustments

2.1 Accessing the User Menu

Main Menus Sub Menus

Configuration Print Page Count • Finisher Count • Supplies Life

Network • Paper Size in Tray • System

Print Pages Print Pages

Suspend Printing

Resume Printing

Print Secure Job Print Secure Job

Menus Tray Configuration • System Adjust

Shut Down

Admin Setup Admin Setup

Calibration Exit Calibration • Auto Density Mode

Auto BG Adjust Mode • Adjust Density

Adjust Registration • Setup Calibration

Calibrate • Remove Calibration

Print Statistics Statistics Menu • Log Size • Reset Counter

Change Password

2.2 Service Modes and Adjustments

2.2 Accessing Service Mode

2.3 Service Diagnostics Controls

2.4 The Motor & Clutch Test

2.5 The Switch Scan Test

2.6 Service Adjustments

Calibrating the Printer

Using Command WorkStation to Calibrate the Printer

Chapter 3

Troubleshooting Print Quality

3.1 An Overview of Print-Quality Problems

Print-Quality Problems Overview

Defects Associated with Specific Printer Components

3.2 Generating and Analyzing Test Prints

Generating and Analyzing Control Panel Test Prints

Generating and Analyzing Service Test Prints

Generating and Analyzing Print Engine Test Prints

3.3 Print-Quality Troubleshooting Practices

Light Prints in All Colors

Light Print in Only One Color

Blank Prints

Mottled or Splotchy Prints

Unexpected Colors

Repeating Bands, Lines, Marks, or Spots

Random Bands, Lines, Marks, or Missing Spots

Random Spots

Background

Ghosting or Hot Offset

Incomplete Fusing or Cold Offset

Mis-Registration, Color Layers Not Correctly Registered

Toner on Back of Print

Image Not Centered or Positioned Correctly

Process Direction Bands, Voids, or Streaks

Scan Direction Bands, Voids, or Streaks

Scan Direction Dark Streaks

Process Direction Lines or Streaks

Chapter 4

Troubleshooting Paper Jams

4.1 Open Cover - Paper Jam – Tray X Side Cover

4.2 Open Cover - Paper Jam – Side Cover

4.3 Open Cover - Paper Jam – Top Cover

4.4 Paper Jam – Duplex Unit

Chapter 5

Troubleshooting Self Diagnostic Codes

5.1 Self Diagnostic Error Codes

Self Diagnostic Error Codes (Printer)

Self Diagnostic Error Codes (Finisher)

Self Diagnostic Error Codes (Other Codes)

5.2 General Troubleshooting

No Control Panel Display

Control Panel LED is on, No Control Panel Display

Printer does not appear to Operate at Power On.

Printer Continually Displays “Warming Up” or “Initializing”

Troubleshooting AC Power Supply

Troubleshooting DC Power Supply

Troubleshooting RAM Memory Failures

Paper Size Errors

5.3 Troubleshooting Error Codes

167-169 & 170-176 Fuser Failure

123, 124 Environmental Sensor Failure

321 Motor Overheating Failure

102-106 & 200-202 Engine Control Board Failure

None LVPSPower Supply Failure

051 Controller Fan Failure

121 PowerSupplyFanFailure

127 (Fuser), 128 (Fuser, Belt) 918 (Duplex) Fan Failure

181, 919 Duplex Interface Failure

180-186, 910-926 Tray 2, 3, 4 Com. Errors

189 Inverter Unit Interface Failure

131-134 C, M, Y, K LED Failure

179 FuserMismatchError

360 Unsupported Duplex Unit Rom

155 FuseCutError(Fuser)

154 Fuse Cut Error (Transfer Belt)

151-153 Fuse Cut Error C, M, Y, K Drum

072 Control PCB to Engine PCB Com. Failure

096 FinisherInterfaceError

097 InverterPowerSupplyFailure

050, 187 Control Panel Com. Failure

330, 917 Error in the Transfer Belt

340-343 C, M, Y, K Drum Unit Failure

240-248 Engine PCB Flash Memory Error

111-117 Unsupported ROM

160-163 Toner Sensor Detection Error

125 MT Home Position Detect Error

144-147 Toner Switch Error/ Lock Error

142 Color Up/Down Error

310 TopCoverOpenError

320 Fuser Unit Detected as Missing

350-353 Drum Unit Life Error

354 FuserLifeError

355 BeltLifeError

410-413 Toner Out Error

Chapter 1

Printer Maintenance Procedures

1.1 Service Maintenance Procedures

Perform the following procedures whenever you check, service, or repair the printer. Cleaning the

printer, as outlined in the following steps, assures proper operation of the printer and reduces the

probability of having to service the printer in the future. The frequency of use, Average Monthly

Print Volume (AMPV), type of media used, and operating environment are factors in determining

the frequency of this maintenance procedure. Be sure to record the number of sheets printed

between each service visit and attach the PS test page, Demo Page, and configuration sheets to

your service log for future reference.

Recommended Tools

•Toner vacuum cleaner

•Laptop computer with:

(Windows XP)

(Current Model Print Drivers)

(Current Command Workstation loaded)

(Kodak Calibration Pack)

•Clean, dry, lint-free cloth

•Black, light protective bag

Perform these routine maintenance procedures during the course of servicing the printer.

•Clean the feed rollers, exit rollers, and guides; replace as necessary.

•Remove and clean all paper trays.

•Clean the Color Registration and Automatic Density Control Sensors.

•Check cleanliness of interior and exterior, including fans; clean as necessary.

•Check the print engine and Fiery Controller firmware version located on the first page of the

configuration sheet. Update as necessary.

•Print a PS test page and Demo page, diagnose, and repair any problems as indicated.

•Perform the Printer calibrations in Chapter 2.

•Review proper printer operation using a customer file, if possible. Check with the customer

regarding any special applications they may be running.

•Review with the customer all work that was performed; and discuss proper printer care and

the importance of properly using the shut down sequence to prevent Hard Drive

issues.

1.2 Cleaning the Printer

Perform the following general cleaning steps as indicated by the printer’s operating environment.

Caution

Never apply alcohol or other chemicals to any parts in the printer. Never use a damp cloth to clean

up toner. If you remove the Image Drum Units, place them in a light protective bags or similar

means to protect the drums as exposure to light can quickly degrade performance and result in

early failure.

1. Record number of sheets printed on a service log left with the printer.

2. Print several sheets of paper to check for problems or defects.

3. Turn off the printer.

4. Clean all fans to remove excess dust.

5. Ensure that all cover vents are clean and free of obstructions.

6. Remove any debris or foreign objects from the Transfer Unit, Fuser, and Imaging Units.

7. Vacuum loose toner from the printer interior using a Type II toner vacuum only.

8. Remove and clean the paper trays.

9. Clean / inspect all rubber rollers with a lint-free cloth slightly dampened with cold water.

Replace as necessary.

1.3 Cleaning the Imaging Unit Contacts

1. Open the Top Cover.

2. Remove the Imaging Units and place it on a stable surface.

3. Working quickly to reduce light exposure, clean the 4 contacts at the front of the Imaging Unit.

4. Clean the 3 contacts at the rear of the imaging unit.

5. Clean the contacts on the Housing Bias Assembly.

1.4 Cleaning the LED Heads

Clean the LED Head if a vertical White band or White stripe appears on the print.

Caution

Always use a soft, dry, lint-free cloth to clean the LED Heads. Never use solvents to clean the lens.

1. Open the Top Cover.

2. Clean each LED Head with a clean, lint- free cloth.

1.5 Cleaning the Feed Rollers

Clean the accumulated dust from the Feed Rollers.

Caution

Use care not to scratch or otherwise abrade the roller surface while cleaning. Gently rub the

roller surface using a soft, lint-free cloth moistened with water.

1. Access the rollers by removing Tray 1 or opening the MPT tray.

2. Clean each roller with soft, lint-free cloth moistened with water.

Tray 1 Rollers

MPT Tray Rollers

Chapter 2

User Menu and Adjustments

2.1 Accessing the User Menu

Press the menu up arrow to access the User Menu.

User Mode Menus

Main Menus Sub Menus

Configuration Print Page Count • Finisher Count • Supplies Life

Network • Paper Size in Tray • System

Print Pages Print Pages

Suspend Printing

Resume Printing

Print Secure Job Print Secure Job

Menus Tray Configuration • System Adjust

Shut Down

Admin Setup Admin Setup

Calibration Exit Calibration • Auto Density Mode

Auto BG Adjust Mode • Adjust Density

Adjust Registration • Setup Calibration

Calibrate • Remove Calibration

Print Statistics Statistics Menu • Log Size • Reset Counter

Change Password

Functions

*Configuration

Print Pages

Suspend Printing

Resume Printing

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