Dens (Developer Density) - Canon 1000 Service Manual

7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS

4. DENS (developer density)

DISP
COUNTER
ADJUST
FUNC
OPTION
TEST
Item
DENS-Y/M/C Indicates the discrepancy of the density of the devel-
oper on the developing cylinder (each color) in refer-
ence to the target value in %.
+:
–:
The value is the result of computations based on SGNL
and REF stored under ATR-INIT and SGNL and REF
on the screen.
REF-Y/M/C Indicates the measurement (AD conversion) of the
reference signal (each color).
Measurements are taken for each copy run.
7-196
COPYRIGHT © 2001 CANON INC.
<M> <S>
DENS
DENS-Y
DENS-M
xxxx
REF-Y REF-M
xxxx
Description
Darker than target value.
Lighter than target value.
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
<R>
1/3
DENS-C
xxxx
xxxx
REF-C
xxxx xxxx
<P> <F>
Remarks
Unit = 0.1%
Normal if between - 20
and + 20.
Normal if between 377
and 848.