How To View The Test Print; Grid (Type=1); 17 Gradations (Type=2/3) - Canon imageRUNNER ADVANCE 8105 Series Service Manual

How to View the Test Print

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Grid (TYPE=1)

Check item Check method
Right angle Check whether lines in the horizontal/
accuracy/ vertical scanning directions are
Straight line paralleled to the paper and these lines
accuracy are at right angles to one another.
Side
Check the left margin.
registration
Check whether the grid is printed at
Magnification
9.99mm intervals. (Check the image on
ratio
the second side at duplex printing.)
6
Troubleshooting > Test Print > How to View the Test Print > 17 gradations (TYPE=2/3)
F-6-1 F-6-1
Assumed cause
Feed system failure or Laser Scanner Unit
failure is considered.
Floor at the installation site is extremely
distorted, or the feed system failure is
considered.
ETB and rollers' feed system failure or
laser exposure system failure (drum, Laser
Scanner) is considered.
6
Troubleshooting > Test Print > How to View the Test Print > 17 gradations (TYPE=2/3)
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17 gradations (TYPE=2/3)

Check item Check method
Check whether gradation in density is
Gradation
made appropriately.
Check whether black lines appear on
Black line
the image.
Check whether white lines appear on
White line
the image.
T-6-2 T-6-2
6-3
F-6-2 F-6-2
Assumed cause
Drum failure, laser exposure system failure
or developing system failure is considered.
Laser light path failure, grid failure,
developing system failure, cleaning (drum,
ETB) failure or Pre-transfer Charging
Assembly failure is considered.
Primary Charging Wire failure or developing
system failure is considered.
T-6-3 T-6-3
6-3