Canon G2000 series, Service Manual

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QY8-13EX-040
- Function check:
Check item How to check Criteria
Service Test Pattern print “Success” must be indicated for
each test of the Service Tool.
(Note that “Skip” must be
indicated for non-supported
functions).
Copy
Copy from the ADF
LAN board connection Use the loop-back tool.
WLAN board connection
Card board connection Use a desired memory card.
PictBridge connection Use a desired USB memory.
Communication with PC Print from a USB-connected PC.
- Service Test Print check:
Check item How to check Criteria
Dot mis-alignment,
Non-ejection of ink
Check the printed Service Test
Pattern (Area 2).
There should be no remarkable dot
mis-alignment or non-ejection of ink.
Color mixture Check the printed Service Test
Pattern (Area 2).
There should be no color mixture.
Line accuracy Check the printed Service Test
Pattern (Area 3).
There should be no remarkable dot
mis-alignment on vertical and
horizontal lines.
Paper smearing Check the printed Service Test
Pattern.
There should be no smearing.
- EEPROM Information Print check:
Check item How to check Criteria
Amount of ink absorbed in
the ink absorber
Check the EEPROM information
on the printed Service Test
Pattern (Area 4).
The ink absorber counter values
must be lower than the ones
specified in the “Guideline for
Preventive Replacement of ink
absorber.”
For details, see 3-5, (2) Preventive
replacement of ink absorber .
Check the EEPROM information
on the printed Service Test
Pattern (Area 4).
The values must be correct (after the
main PCB ass’y is replaced).
Check the EEPROM information
on the printed Service Test
Pattern (Area 4).
After the ink absorber is replaced,
the applicable ink absorber counter
value must be reset, or the values
must be correct.
- Copy quality check:
Check item How to check Criteria
Copy quality Check the copy of a desired
chart.
The following must not occur:
- Streaks
- Missing portion
- Black spots
- Blurred copy
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