Canon 8517A009AA Simplified Manual - Page 11

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6. TROUBLESHOOTING FLOWCHART

6.1. Printer Main Unit Troubleshooting Flowchart (how to printer operation confirmation

when refurbishing)

Power ON

Error displayed?

Yes

Open access cover,

Error displayed?

Yes

Connect to computer

Service test pattern

Correct?

Yes

Waste ink counter

Yes

Normal

< Note for normal printer refurbishment >

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.

*Refer to 4. SERVICE MODE

Replace head and print

Correct?

Yes

< Service test pattern check items of >

(Refer to the attached print sample.)

1. Ink non-ejection: Yes

2. Top margin:

3. Line:

4. Gray area:

Defective

Outside of paper

Not connected

White lines / uneven density