Oki MC-860 / CX2633MFP Manuale utente

MC-860 / CX2633MFP

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, www.okidata.com © Okidata Americas, Inc. 2009

Chapter 1 Maintenance Procedures – Printer / ADF / Scanner

1.1 Exterior Cleaning

1.2 Cleaning the LED lens array

1.3 Cleaning the Pickup Roller

1.4 Cleaning inside the Printer

1.5 Cleaning the ADF and Scanner

Chapter 2 Service Menus and Adjustments

2.1 How to Enter the Service Menu

2.2 Service Maintenance Menu Overview

2.3 System Maintenance

2.4 Panel Maintenance

2.5 Scanner Maintenance

2.6 Fax Maintenance

2.7 Printer Maintenance

2.7.1 Switch Scan Test

2.7.2 Motor & Clutch Test

2.7.3 Test Print - Monitoring Printer Environmental Conditions

2.7.4 Color Registration Error Correction Test

2.7.5 Density Error Correction Test

2.7.6 Consumable Item Counter Display

2.7.7 Factory/Shipping Mode Switching

2.7.8 Engine Parameter Setting – Fuse Check Method

2.8 Initialization Functions

Chapter 3 Troubleshooting Print Quality

3.1 Print Quality Problems Overview

3.2 Using New Consumable Units for Testing Purposes

3.3 Things to observe when analyzing Test Pages

3.4 Print-Quality Troubleshooting

Chapter 4 Troubleshooting Paper Feeding

4.1 Troubleshooting Paper Feed

4.1.1 Paper Feed Sensor Details

4.1.2 Jam Removal Procedure

Chapter 5 Troubleshooting Error Codes

Chapter 1 Maintenance Procedures – Printer

1.1 Exterior Cleaning

Clean inside and outside of the printer with a clean dry cleaning cloth and small vacuum cleaner as

required.

Note! Be careful not to touch the image drum terminals, the LED lens array and the LED head

connectors.

1. Turn OFF the power of the MFP.

Select “Setup” then “Shutdown”. Follow the on screen prompts. When shutdown is complete,

turn off the power switch on the printer.

2. Clean the surface of MFP.

Note! Do not use any liquid other than water and neutral detergent.

The MFP requires no lubrication.

Do not lubricate the unit.

Clean the surface of the unit with a clean

cloth wrung out using clean water or

neutral detergent.

Clean surface of the unit with soft clean cloth.

1.2 Cleaning the LED lens array

•Pull the document table lock lever to the front to release the lock, and raise the

document table.

Document Table

Document Table Lock Lever

•Press the top cover button and open the top cover.

CautionFailure to proceed with caution may result in burn injury. The fuser unit gets

very hot. Do not touch the surface of the fuser unit.

Top Cover Button

Top Cover

•Wipe the lens surface (at the four positions) of the LED head with soft tissue paper

gently and lightly.

Lens Surface of the LED Head

LED Heads

1.3 Cleaning the Pickup Roller

Note!Clean the pickup roller for tray 2 and tray 3 in the same procedure.

For the MP tray, clean the pickup roller in the same procedure for the feed roller only.

(Pad is not used.)

•Pull out the tray.

•Clean the feeder roller (large) and the feeder roller (small) with a clean cloth wrung

out using clean water

Feed Roller (Large)

Feed Roller (Small)

•Clean the pad portion of the tray with a clean cloth wrung out using clean water

ray 1

Pad

Roller

ray 2, Tray 3

1.4 Cleaning inside the Printer.

Toner can adhere to the metal shaft that is located in between the fuser and the cyan

image drum cartridge depending on the print pattern. Perform cleaning of the inside of

the MFP if toner has adhered to the metal shaft.

•Turn OFF the power of the MFP.

•Pull the document table lock lever to the front to release the lock, and raise

the document table. Then Press the top cover button and open the top cover.

•Remove the four image drum cartridges from the MFP.

Drum Cartridges

•Cover the removed image drum cartridge with a black paper.

Note! Use caution when handling the image drums. Be very careful not to expose the

image drum to direct sun light or intense light. Do not leave it out under normal

illumination even indoors for 5 minutes or longer.

•Remove the fuser unit from the MFP.

Caution Failure to proceed with caution may result in burn injury. The fuser unit gets

very hot. Do not touch the surface of the fuser unit.

•Raise the fuser unit lock lever (shown in blue) in the direction shown by the

arrow.

•Hold the handle of the fuser unit and remove it.

Fuser Handle

Fuser Unit Lock Lever (Blue)

•Remove the Transfer Belt unit from the MFP.

Transfer Belt

Retaining

Screws

(

Blue

)

Transfer Belt

•Thoroughly clean the interior of the printer and re-install the transfer belt,

fuser, and drum units. Inspect all units before re-installation.

1.5 Cleaning the ADF and Scanner

Clean the paper path of the ADF once every month or more in order to maintain high

print quality and to transport the documents smoothly.

•Open the document cover OPEN lever and open the document cover.

Document Cover Open Lever Document Cover

•Clean the document transport roller.

Clean surface of the roller with a clean cloth

wrung out using clean water or neutral

detergent.

Note! Clean the entire surface of the roller by rotating the roller by hand.

(Some types of rollers can rotate in one direction only.)

•Open the inside cover.

Clean surface of the roller with a clean cloth

wrung out using clean water or neutral

detergent.

Rollers Inside Cover

Dial

•Clean the document retainer roller.

Dial

Inside

top

cover

Clean surface of the roller with a clean cloth

wrung out using clean water or neutral

detergent.

Document

Retainer Roller

•Open the document table cover.

Platen Glass

Scanning Glass

Document

Retaining Pad

Clean the surface of the document retaining pad, the platen Glass and the scanning glass

with a clean cloth wrung out using clean water or neutral detergent.

Chapter 2 Service Menus and Adjustments

The service function is to be used for the purposes of MFP maintenance by the experienced

Maintenance / service engineer, and are not open to general users. The respective items of the service

function are contained in the service menu.

2.1 How Enter the Service Menu

Enter the service menu by the following operation.

1. The password entry screen is displayed when the special operation of the hardware keys is operated

while an MFP is running. The MFP enters this condition waiting for password entry.

2. When the password that is entered by maintenance/service engineer matches the specified password,

the service menu is displayed.

Special Operation of the Hardware Keys

The operation procedure to display the password entry screen of the service menu is described as

follows.

1. To display the password entry screen, press the [SETUP] key while an MFP is running.

2. Press the numeric keys in the order of [#] [1] [9] [3] [7].

3. The password entry screen is displayed.

Password Entry Screen

Value Default Display Condition

Enter the password that is required to enter the service menu. (OOOOOO) (Six zeros).

Note! Data entry will appear as

Asterisks.

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