Canon PIXMA iX6550, Service Manual, Page: 13 / 56

(2) Foreign material in the paper path:
Remove foreign material.
(3) Cable connection:
- LF encoder cable
- PE sensor cable
Re-connect the cable.
(4) Scratches on the LF slit film:
Replace the timing slit disk feed
film.
- Platen unit
- Logic board ass'y
- Paper feed motor
19 times Ink tank
position sensor
error [6502] (1) Ink tank position:
Confirm the ink tanks are installed
in the correct slots.
(2) Re-set or replacement of ink tanks:
If the error persists, replace the ink
tanks.
(3) Cable connection
Re-connect the cable.
- Spur unit
- Logic board ass'y
20 times Other errors [6500] (1) Part replacement:
Replace the logic board ass'y.
21 times Drive switch
error [C000] (1) Foreign material in the drive switch
area of the purge drive system unit:
Remove foreign material.
(2) Ink tank conditions:
Confirm that the ink tanks are
seated properly and they do not
interfere with the carriage
movement.
- Purge drive system
unit
- ASF unit
- Carriage unit
23 times Valve cam
sensor error [6C10] (1) Foreign material around the purge
drive system unit:
Remove foreign material.
(2) Cable connection:
- J702 connector
Re-connect the cable.
- Purge drive system
unit
- Logic board ass'y
Before replacement of the logic board, check the ink absorber counter value, and register it to
the replaced new logic board. (The value can be set in 10% increments.) In addition,
according to the "
Guideline for Preventive Replacement of Ink Absorber ," replace the ink
absorber. [See 3. ADJUSTMENT / SETTINGS, 3-3. Adjustment and Settings in Service
Mode , for details.]
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