Canon iP4700 Simplified Service Manual page 8

Cycles of
blinking of
Error
Alarm and
Power LEDs
Paper feed cam
sensor error
15 times USB Host VBUS
overcurrent
16 times Pump roller
sensor error
17 times Paper eject
encoder error
19 times Ink tank position
sensor error
20 times Other errors
21 times Drive switch
error
Error
Conditions
code
[6B10] An error occurred in the
paper feed cam sensor
during paper feeding from
the cassette, or the paper
absorbing a large amount
of ink jammed in the PF
rear guide.
[9000] The USB Host VBUS is
overloaded.
[5C20] The pump roller position
cannot be detected.
[6010] Paper eject encoder error
[6502] None of the ink tank
position is detected.
[6500] An unidentified error
occurred.
[C000] Drive was not switched
properly.
(8/24)
Solution
(Check points and replacement items)
1) Jammed paper in the PF rear guide
(when a large amount of ink was
absorbed in the paper);
remove the jammed paper and
foreign material.
2) Foreign material or paper debris in the
cassette or in the PF rear guide;
remove foreign material.
3) Part replacement:
- PF pick-up unit
- Logic board
1) Part replacement:
- Logic board
1) Cable connection
2) Part replacement:
- Purge drive system unit
1) Smearing or scratches on the LF / EJ
slit film;
clean the LF / EJ slit film.
2) Foreign material or paper debris in the
paper path;
remove foreign material.
3) Cable connection
4) Part replacement:
- LF / EJ slit film
- LF / EJ timing sensor unit
- Platen unit
- Logic board
- Paper feed motor
1) Ink tank position;
confirm the ink tank position.
2) Re-set or replacement of ink tanks
3) Cable connection
4) Part replacement:
- Spur unit
- Logic board
1) Part replacement:
- Logic board
1) Foreign material or paper debris in the
drive switch area;
remove foreign material,
confirm the ink tank conditions, or
re-set the ink tanks properly.
2) Part replacement:
- Purge drive system unit
- ASF unit
- Carriage unit