Canon PIXMA MX870 Series Bedienungsanleitung

PIXMA MX870

SERVICE

MANUAL

Canon

shall be retained for reference purposes byAuthorized Service Facilities of Canon U.S.A. Its unauthorized use is prohibited.

TABLE OF CONTENTS

1. MAINTENANCE

1-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Replacement

Consumables by Service Engineer

1-2. Customer Maintenance

1-3. Special Tools

1-4. Sensors

1-5. Serial Number Location

2. LIST OF ERROR DISPLAY / TROUBLESHOOTING

2-1. Operator Call Errors

2-2. Service Call Errors

2-3. FAX Errors

2-4. Troubleshooting by Symptom

3. REPAIR

3-1. Major Replacement Parts

3-2. Part Replacement Procedures

(1) External housing, scanner unit, and document cover removal

(2) Operation panel and document feed unit removal

(3) Printer unit removal, and ink absorber replacement

(4) Board removal

(5) Carriage unlocking

(6) ASF unit removal

(7) Carriage unit removal

(8) Spur unit and platen unit removal

(9) Purge drive system unit (right plate) and switch system unit (left plate) removal

(10) Engine unit reassembly

4. ADJUSTMENT / SETTINGS

4-1. User Mode

4-2. Service Mode

(1) Service mode operation procedures

(2) Service Tool functions

(3) LF / Eject correction

(4) Button and LCD test

(5) Ink absorber counter setting

4-3. PTT Parameter Mode

MX870

4-4. Grease Application

4-5. Special Notes on Servicing

(1) For smeared printing, uneven printing, or non-ejection of ink

(2) Paper feed motor adjustment

(3) Carriage unit replacement

(4) Document pressure sheet (sponge sheet) replacement

(5) Ink absorber counter setting

(6) Ink absorber life estimation

(7) Power supply unit and modular board replacement

(8) Rating label on the bottom case (except China)

(9) PTT label on the bottom case (for New Zealand only)

(10) Speed Dial Utility

4-6. Verification After Repair

(1) Standard inspection flow

(2) Service test print

(3) Ink absorber counter value print

5. MACHINE TRANSPORTATION

1. MAINTENANCE

1-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Replacement Consumables

by Service Engineer

(1) Adjustment

MX870 TABLE OF CONTENTS

Adjustment Timing Purpose Tool Approx.

time

EEPROM

initialization - At logic board replacement To initialize settings Service Tool*1

Perform in the service

mode.

1 min.

Destination

settings

(EEPROM

settings)

- At logic board replacement To set destination. Service Tool*1

Perform in the service

mode.

1 min.

Ink absorber

counter resetting

(EEPROM

settings)

- At logic board replacement

- At ink absorber replacement To reset the ink absorber

counter. Service Tool*1

Perform in the service

mode.

1 min.

Ink absorber

counter value

setting

(EEPROM

settings)

- At logic board replacement To set the ink amount data in

the ink absorber to the ink

absorber counter.

Service Tool*1

Perform in the service

mode.

1 min.

Ink absorber

replacement - When the ink absorber

becomes full To replace the ink absorber

with a new one. Screwdriver, a pair of

tweezers, etc. 15 min.

Paper feed motor

position

adjustment

- At paper feed motor

replacement To adjust the belt tension.

(Position the paper feed motor

so that the belt is stretched

tight.)

None. 5 min.

NAutomatic print

head alignment - At print head replacement

- At logic board replacement

- When print quality is not

satisfying

To secure the dot placement

accuracy. None.

Perform in the user

mode.

6 min.

Manual print head

alignment - At print head replacement

- At logic board replacement

- When print quality is not

satisfying

To secure the dot placement

accuracy. None.

Perform in the user

mode.

10 min.

Grease application - At carriage unit replacement To maintain sliding properties

of the carriage rail. FLOIL KG-107A 1 min.

Ink system

function check - At logic board replacement

- At spur unit replacement

- At carriage unit replacement

To maintain detection

functionality for presence of

the ink tanks and each ink tank

position.

Service Tool*1

Perform in the service

mode.

1 min.

LCD language

settings - At logic board replacement To set the language to be

displayed on the LCD. None.

Perform in the user

mode.

1 min.

Platen glass

protection sheet

(document

pressure sheet)

position

- At protection sheet

replacement

- At document bottom cover

replacement

- At scanner unit replacement

To maintain scanning

accuracy, hold the sheet with

the long side down, then fit its

upper left corner to the platen

glass reference mark (back

None. 1 min.

1 / 63

N: New adjustment item

*1: Install the Service Tool version 1.072 or later to a pre-registered computer.

(2) Periodic maintenance

No periodic maintenance is necessary.

(3) Periodic replacement parts

There are no parts in this machine that require periodic replacement by a service engineer.

(4) Replacement consumables

There are no consumables that require replacement by a service engineer.

adjustment left).

LF / Eject

correction - At logic board replacement

- At paper feed roller

replacement

To correct line feeding (LF

roller diameter). Service Tool*1

Perform in the service

mode.

5 min.

(LF

correction

and Eject

correction

performed

at the same

time.)

- At logic board replacement

- At platen unit replacement To correct line feeding (eject

roller diameter). Service Tool*1

Perform in the service

mode.

Carriage rail

position

adjustment

- At carriage unit replacement

- At carriage unit removal To set the carriage rail to the

original position prior to

removal or replacement of the

carriage unit, put a mark on the

main chassis before removal of

the carriage unit.

None. 1 min.

FAX user data

settings - At logic board replacement

- At modular board

replacement

To confirm the FAX user data

settings. None.

Perform in the user

mode.

2 min.

- The screws securing the paper feed motor may be loosened only at replacement of the paper feed motor

unit.

- For print head alignment, perform manual print head alignment using plain paper.

2 / 63

1-2. Customer Maintenance

Adjustment Timing Purpose Tool

pprox.

time

Automatic

print head

alignment

- At print head replacement

- When print quality is not satisfying

(uneven printing, etc.)

To ensure accurate dot

placement. - Machine buttons

- Computer (MP driver) 6 min.

Manual print

head

alignment

- At print head replacement

- When print quality is not satisfying

(uneven printing, etc.)

To ensure accurate dot

placement. - Machine buttons

- Computer (MP driver) 10 min.

Print head

cleaning When print quality is not satisfying. To improve nozzle

conditions. - Machine buttons

- Computer (MP driver) 1 min.

Print head

deep cleaning When print quality is not satisfying,

and not improved by print head

cleaning.

To improve nozzle

conditions. - Machine buttons

- Computer (MP driver) 2 min.

Ink tank

replacement When an ink tank becomes empty.

("No ink error" displayed on the

monitor or on the machine LCD, or

short flashing of an ink tank LED)

To replace the empty ink

tank. --- 1 min.

Paper feed

roller cleaning - When paper does not feed properly.

- When the front side of the paper is

smeared.

To clean the paper feed

rollers of the selected paper

source (rear tray or cassette).

- Machine buttons

- Computer (MP driver) 2 min.

Bottom plate

cleaning When the back side of the paper is

smeared. To clean the platen ribs.

(Feed the paper from the

rear tray.)

- Machine buttons

- Computer (MP driver) 1 min.

Scanning area

cleaning When the platen glass or document

pressure sheet is dirty. To clean the platen glass and

pressure sheet. Soft, dry, and clean lint-

free cloth. 1 min.

Exterior

cleaning When necessary To clean the machine

exterior, or to wipe off

dusts.

Soft, dry, and clean lint-

free cloth. 1 min.

3 / 63

1-3. Special Tools

1-4. Sensors

Name Tool No. Application Remarks

FLOIL KG-107A QY9-0057-000 To the carriage rail sliding portions. In common with the MP610, etc.

No. Sensor Function Possible problems

1DES sensor Detects paper ejection from the ADF. - Paper jam in the ADF

2DS sensor Detects paper feeding from the ADF. - No paper in the ADF

3ADF cover sensor Detects opening and closing of the

document feeder cover. - Although the document feeder cover is closed, the

machine indicates that the cover is open.

4DF open sensor Detects opening and closing of the

ADF. - The machine stays in the sleep mode even when the

document feeder is opened.

5Scanner open sensor Detects opening and closing of the

scanning unit (cover). - The carriage does not move to the center even when the

scanning unit (cover) is opened.

6PE sensor Detects the positions of the leading

and trailing edges of paper. - No paper

- Paper jam

7ASF cam sensor Detects the position of the ASF cam

(during paper feeding from the rear

tray).

- ASF cam sensor error

- Paper feed problem

8APP encoder sensor Detects the amount of rotation of the

APP encoder. (Controls purging

operation and paper feeding from the

rear tray or from the cassette).

- APP sensor error

- APP position error

9LF encoder sensor Detects the amount of rotation of the

LF encoder. - LF position error

- Uneven printing

10 Carriage encoder

sensor Detects the position of the carriage. - Carriage position error

- Printing shifts from the correct position.

- Uneven printing

- Strange sound

11 Temperature & Ink

amount sensor Detects the temperature of the inside

of the machine and the remaining ink

amount.

- Internal temperature error

- Low-ink or out-of-ink warning

12 Ink sensor Detects the position of an ink tank. - Wrong position of an ink tank

- An error indicating that multiple ink tanks of the same

color are installed

- No recognition of an ink tank

13 Valve cam sensor Detects the position of the purge

valve cam. (Controls purging

operation.)

- Valve cam sensor error

14 Pump roller sensor Detects the position of the purge

pump roller. (Controls purging

operation.)

- Pump roller sensor error

15 Purge cam sensor Detects the position of the purge main

cam. (Controls purging operation.) - Purge cam sensor error

4 / 63

5 / 63

6 / 63

1-5. Serial Number Location

On the inner guide over the upper portion of the spur holder (visible when the scanning unit (cover) is opened)

When the machine power is OFF.

When the machine power is ON.

<1. MAINTENANCE>

7 / 63

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