COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001
CHAPTER 6 TROUBLESHOOTING
6-3
1.1 Image Adjustment Basic Procedure
1.1.1 Making Pre-Checks
F06-101-01
Using the NA3 Chart, make 2 copies
each in the following modes:
1. AE mode
2. Text mode
3. Text/photo mode
Generate several prints of the following
Test Prints:
1. PG4 (solid white; reader unit)
2. PG5 (halftone; reader unit)
3. PG6 (solid black; reader unit)
Perform the checks on the
scanner side under 1.1.3.
Check the following:
1. Charging wires for height
<Making Pre-Checks>
Clean the following parts:
1. Grid wire
2. Primary charging wire
3. Pre-transfer charging wire
4. Transfer charging wire
If the test prints show a fault,
If only copy
images show a
fault,
Output Settings
F value at ‘5’
Potential
control ON
Perform the checks (1/2) on the
printer side under 1.1.2.
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