Service Call Errors - Canon MP638 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
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 full
Error
Error
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 be
5B01] full.
Message on the LCD:
Error codes:
Conditions
Ink absorber full. Service
required.
5B00: Main ink absorber is full
(overseas).
5B01: Main ink absorber is full
7 / 45
Solution
(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) Smearing or scratches on the LF / EJ slit film;
clean the LF / EJ slit film.
(2) Foreign material or paper debris in the LF
drive;
remove foreign material.
(3) Cable connection
(4) 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:
- Carriage unit
- Logic board
- Print head
(1) Ink absorber condition
(2) Part replacement:
- Ink absorber kit
(3) Ink absorber counter value in the EEPROM;
reset the ink absorber counter.