Canon GP200 Service Manual page 257

Item
DENS-ADJ
ADJ-S
LASER-OFF
PWM 600 MIN
PWM 600 MAX
PWM 200 MIN
PWM 200 MAX
COPYRIGHT © 1996 CANON INC.
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Description
Use it to make adjustments if the copy
image is foggy as a result of executing copy
density auto correction.
White
Lower
setting
Higher setting
Black
Black
Original density
Use it to fine-adjust the point at which data
for shading correction is measured on the
standard white plate.
• The adjustment is in units of 1/12 mm
(about 0.083 mm).
• The presence of scratches on the stan-
dard white plate can cause noticeable
white, vertical lines on copies. If such is
the case, shift the point of measurement
in ADJ-S.
(reverse)
Point of measurement
Standard white plate
Use it to adjust the laser OFF timing (trailing
edge).
Use it to enter laser basic values.
Label on the image processor PCB
––> Enter under 'PWM600MIN'.
P6L xx
––> Enter under 'PWM600MAX'.
P6H xx
––> Enter under 'PWM20MIN'.
P2L xx
––> Enter under 'PWM200MAX'.
P2H xx
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
3. OPERATIONS AND TIMING
Settings
1~9
White
50~80
0~65535
0~65535
Remarks
If you have initial-
ized the RAM or
replaced the
image processor
PCB, enter the
value recorded on
the label attached
to the image
processor PCB.
3–203