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2-6 Troubleshooting by symptom
Symptom
General
The unit does not power on.
errors
Nothing is displayed in LCD
display.
The buttons on the
operation panel do not
work.
Printing
Paper is not fed properly.
operation
(The Paper feed motor does
errors
not run.)
Paper is not picked up from
the auto sheet feeder.
The carriage motor does not
run.
Printing
- Nothing is printed at all.
quality
- Colors are not printed.
errors
Solution
(1) Check the power cord connection.
(2) Check the connection between the
MAIN board (J5) and the power
supply unit.
(3) Replace the power supply unit.
(1) Check the connection between the
Operation panel unit and the MAIN
board (J4).
(2) Replace the SCANNER unit.
(3) Replace the MAIN board.
(1) Check the connection between the
Operation panel unit and the MAIN
board (J4).
(2) Replace the SCANNER UNIT.
(3) Replace the MAIN board.
(1) Check the connection between the
paper feed motor and the MAIN board
(J7).
(2) Replace the paper feed motor.
(3) Replace the MAIN board. *1
(1) Check whether there is any broken
part or foreign matter in the paper feed
section.
(2) Replace the SEPARATION UNIT.
(3) Replace the MAIN board. *1
(1) Check the connection between the
carriage motor and the MAIN board
(J6).
(2) Replace the carriage motor.
(3) Replace the MAIN board. *1
(1) Remove the print head and reinstall
it.
(2) Perform the cleaning on the print
head five times with the cleaning
operation and print out the nozzle
check pattern. Visually cheek the test
print for non-discharge of ink from
nozzle. (Fig. 1-1)
(3) Replace the print head. *2
(4) Replace the appropriate ink tank.
(5) Replace the purge unit.
(6) Replace the carriage unit.
(7) Replace the MAIN board. *1
1-9
Remarks
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