Canon GP335, Руководство по обслуживанию, Страница: 9 / 200

1-5
D. Image Basic Adjustment Procedure
Service Mode
FUNCTION>CCD>CCD-ADJ
Service Mode
Density Auto Adjustment
5 items under FUNCTION>DENS.
WHITE-ME, PD-DENS, PD-ME,
DZ-DENS, DZ-ME
Service Mode
ADJUST>DENS>DENS-ADJ
Service Mode
ADJUST/DENS/DENS-ADJ
Clean the primary charging roller
/transfer charging roller.
¥ To clean the primary/transfer
charging roller, use ’roller clean’
under ’adjustment/clean’ in user mode.
Clean the separation static
eliminator.
Is the
setting of ’density
correction’ under ’adjust/clean’
in user mode the medium
value?
YES
NO
Set it to the
medium value.
It the
setting of
’ADJUST’ in service
mode the value indicated on the
label attached to the
front door?
Enter the value
indicated on the
label.
Make 2 to 3 copies in non-AE
at copy density 5.
YES
NO
NO
NO
Are there vertical
lines (white, black)?
YES
YES
YES
YES
Clean the separation static
eliminator, dust-proofing glass,
mirrors (No. 1, No. 2, No. 3),
standard white plate, and lens.
Are the vertical lines gone?
Is the white
background foggy?
NO
End.
Set DENS-ADJ to 5.
Execute auto correction.
Open the copyboard cover or the
feeder, and make 2 solid black
copies.
Is the fogging in the white
background gone?
NO
Set DENS-ADJ lower than 5.