Service Call Errors - Canon PIXMA MX870 Service Manual

2-2. Service Call Errors (by Cyclic Blinking of Alarm and Power LEDs)
Service call errors are indicated by the number of cycles the Alarm and Power LEDs blink, and the corresponding error code
with the message,
"Printer error has occurred. Turn off power then back on again. If problem persists, see the manual." is displayed on the LCD.
Cycles
of
blinking
of
Error
Alarm
and
Power
LEDs
2 times Carriage
error
3 times Line feed
error
4 times Purge cam
sensor error
5 times ASF (cam)
sensor error
6 times Internal
temperature
error
7 times Ink
absorber
Error
Conditions
code
[5100] An error occurred in the carriage
encoder signal.
[6000] An error occurred in the LF
encoder signal.
[5C00] An error occurred in the purge
unit.
[5700] An error occurred in the ASF
cam sensor.
[5400] The internal temperature is not
normal.
[5B00] The ink absorber is supposed to
[5B01] be full.
(Check points and replacement items)
(1) Smearing or scratches on the carriage slit film;
clean the timing slit film.
(2) Foreign material or paper debris that obstructs the
carriage movement;
remove foreign material.
(3) Ink tank conditions;
re-set the ink tanks.
(4) Cable connection
(5) Part replacement:
- Timing slit disk film
- Carriage unit
- Logic board
- Carriage motor
(1) Opening and closing of the paper output tray;
the tray must be opened properly.
(2) Smearing or scratches on the LF / EJ slit film;
clean the LF / EJ slit film.
(3) Foreign material or paper debris in the LF drive;
remove foreign material.
(4) Cable connection
(5) Part replacement:
- LF / EJ slit film
- LF / EJ timing sensor unit
- Paper feed roller unit
- Logic board
- Paper feed motor
(1) Foreign material or paper debris around the purge
drive system unit;
remove foreign material.
(2) Cable connection
(3) Part replacement:
- Purge drive system unit
- Logic board
(1) Cable connection
(2) Part replacement:
- ASF unit
- PE sensor board unit
- Logic board
(1) Cable connection
(2) Part replacement:
- Spur unit
- Logic board
- Print head
(1) Ink absorber condition
(2) Part replacement:
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Solution