Canon CLC5100 Series, Manual

Page: 53 / 290

Chapter 2
2-1
2.1
Image Adjustment Basic Procedure
2.1.1
Image Adjustment Basic Procedure
0005-6444
CLC5100 / CLC4000
F-2-1
Checking the Original Exposure System
1) Check the mounting position of the copyboard glass, standard white plate, scanning lamp reflecting shade, and
No. 1/2/3 mirror.If dirt is found, clean the part.
2) Check to see if the No. 1 mirror mount or the No. 2 mirror mount should have ridden over the rail.
3) Check to see if the values in service mode are as indicated on the service label.
If there is no problem after the above checks and cleaning, execute 'FUNC>CCD>AUTOADJ' in service mode.
Select M in user mode, and at PG=04 (17 gradations).
Select C in user mode, and at PG=04 (17 gradations).
Select Y in user mode, and at PG=04 (17 gradations).
Select K in user mode, and at PG=04 (17 gradations).
At PG=05 (halftone), DNES-M=48, DNES-C/Y/K=0
At PG=05 (halftone), DNES-C=48, DNES-M/Y/K=0
At PG=05 (halftone), DNES-Y=48, DNES-M/C/K=0
At PG=05 (halftone), DNES-K=48, DNES-M/C/Y=0
At PG=14 (full color, 17 gradations), TXPH=0, THRU=1
START
Execute service mode at
'TEST->PG=05 (halftone),
A4, and copy count 15'.
Is
there
an appreciable difference
in copy density between
the 1st copy and
the 15th
copy?
1. 1.Set to 'DNES-Y/M/C/K
=20'; then, generate 20
copies at 'PG=05 (halftone)'.
2. Check the internal static
eliminator roller.
3. Check the internal static
eliminator high-voltage
system.
YES
NO
Make the following copies under 'TEST' in service mode.
Is the
image fault (difference
in density between front and
rear, fogging, uneven density)
on the copies of the
CA-1 Chart
only?
NO
YES
Set 'PASCAL' to '0' under
'ADJUST'.
Check the height of each
charging wire, and clean
each wire.
Clean the dust-proofing glass.
Make several copies using
the CA-1 Chart.
Check the original exposure
system.
A