Canon Pixma MX870 Service Manual

Table Of Content Canon Pixma MX870 Service Manual

1. MAINTENANCE Canon Pixma MX870

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 Canon Pixma MX870

2-1. Operator Call Errors
2-2. Service Call Errors
2-3. FAX Errors
2-4. Troubleshooting by Symptom

3. REPAIR Canon Pixma MX870

3-1. Major Replacement Parts
3-2. Part Replacement Procedures

  • External housing, scanner unit, and document cover removal
  • Operation panel and document feed unit removal
  • Printer unit removal, and ink absorber replacement
  • Board removal
  • Carriage unlocking
  • ASF unit removal
  • Carriage unit removal
  • Spur unit and platen unit removal
  • Purge drive system unit (right plate) and switch system unit (left plate) removal
  • Engine unit reassembly

4. ADJUSTMENT / SETTINGS Canon Pixma MX870

4-1. User Mode Canon Pixma MX870
4-2. Service Mode

  • Service mode operation procedures
  • Service Tool functions
  • LF / Eject correction
  • Button and LCD test
  • Ink absorber counter setting

4-3. PTT Parameter Mode MX870
4-4. Grease Application
4-5. Special Notes on Servicing

  • For smeared printing, uneven printing, or non-ejection of ink
  • Paper feed motor adjustment
  • Carriage unit replacement
  • Document pressure sheet (sponge sheet) replacement
  • Ink absorber counter setting
  • Ink absorber life estimation
  • Power supply unit and modular board replacement
  • Rating label on the bottom case (except China)
  • PTT label on the bottom case (for New Zealand only)
  • Speed Dial Utility

4-6. Verification After Repair Pixma MX870

  • Standard inspection flow
  • Service test print
  • Ink absorber counter value print

5. MACHINE TRANSPORTATION Canon Pixma MX870

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Canon Pixma MX870 Service Manual