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6. TROUBLESHOOTING FLOWCHART
6-1. Printer Main Unit Troubleshooting Flowchart (how to confirm printer operation at refurbishment)
< Note for normal printer refurbishment >
At refurbishment, install the print head, connect the AC plug while holding down the POWER button,
and after the LED lights green press the RESUME button twice and release it while pressing the
POWER button. (The LED lights in orange first, and then green whenever the RESUME button is
pressed.) With this condition, be sure to reset the EEPROM in accordance with 4. SERVICE MODE, the
EEPROM reset procedure. Since the printer becomes in shipping mode (carriage in replacing position,
raised paper lifting plate) by powering off with POWER button, remove the print head, unplug the power
cord immediately, and do not print afterwards.
Open access cover,
and install head
Power ON
Error displayed?
Connect to computer
Shipment inspection
pattern printing
Replace head and print
shipment inspection pattern
Correct?
Waste ink counter
less than 7%?
Normal
Defective
Error displayed?
Yes
No
Yes
No
No
Yes
No
Yes
No
Yes
*Refer to 4. SERVICE MODE
regarding printing method.
Correct?
< Shipment inspection pattern check items>
(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
