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6. TROUBLESHOOTING FLOWCHART
6.1. Printer Main Unit Troubleshooting Flowchart (how to printer operation confirmation
when refurbishing)
< Note for normal printer refurbishment >
Power ON
< Service test pattern check items of >
(Refer to the attached print sample.)
1. Ink non-ejection: Yes
NG
2. Top margin:
Outside of paper
NG
3. Line:
Not connected
NG
4. Gray area:
White lines / uneven density NG
Correct?
*Refer to 4. SERVICE MODE
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Error displayed?
Defective
Normal
Waste ink counter
Correct?
Replace head and print
Service test pattern
Connect to computer
Error displayed?
Open access cover,
At the final step of refurbishment, be sure to reset the EEPROM in accordance with 4.
SERVICE MODE, the EEPROM reset procedure. Remove the print head, unplug the power
cord immediately, and do not print afterwards.
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