Canon 9318A001AA Simplified Service Manual - Page 12
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6. TROUBLESHOOTING FLOWCHART
6-1. Printer Main Unit Troubleshooting Flowchart (how to confirm printer operation at refurbishment)
Service mode
Service Call
Error?
No
Open front cover,
and install print head
Service Call
Error?
No
Service test print
Correct?
Yes
Main waste ink counter
less than 7%?
Yes
EEPROM initialization
Power off
Normal
<Note for normal printer refurbishment>
At end of refurbishment, set the printer to the default shipment conditions (with the paper lifting plate
in the raised position, and the carriage locked in the print head replacement position), following the
steps below.
1.
Install the print head, and while pressing and holding the Power button, connect the AC plug.
After the LED lights in green, with the Power button still pressed, press the Resume/Cancel
button 2 times, and release both the Power and Resume/Cancel buttons. (Each time the
Resume/Cancel button is pressed, the LED lights alternately in orange and green, starting with
orange.)
2.
Press the Resume/Cancel button 4 times, and then press the Paper Feed switch 2 times. The
shipment inspection pattern is printed, and the EEPROM is initialized.
3.
After removing the print head, press the Paper Feed switch 2 times to turn off the printer. (The
paper lifting plate is raised, and the carriage moves to the print head replacement position.)
DO NOT print after this point.
See 4-2. Service Mode for
details.
Yes
Yes
See 4-2. Service Mode for
printing method.
No
Replace print head and
perform service test print
Correct?
Yes
No
Visually check the platen waste ink
absorber, and replace it if it is
soiled.
<Service test print check items>
(See APPENDIX 1, SERVICE TEST PRINT 1 PRINT
SAMPLE.)
1. Non-ejection of ink: Yes
2. Top of form:
3. Vertical lines:
4. Gray area:
No
Defective
12
Off the paper
Not connected
White lines / uneven density NG
NG
NG
NG