Service Call Errors (By Cyclic Blinking Of Alarm And Power Leds) - Canon MP640 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 Error
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
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 (during paper
feeding from the rear tray).
[5400] The internal temperature is
not normal.
[5B00, The ink absorber is supposed
5B01] to be full.
Message on the LCD:
Ink absorber full. Contact
(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) Front door operation (opening and closing) during
printing
(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:
- Carriage unit
- Logic board
- Print head
(1) Ink absorber condition
(2) Part replacement:
- Ink absorber kit and double-sided adhesive tape
(3) Ink absorber counter value in the EEPROM;
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Solution