Canon 1000 Service Manual page 633

DISP
COUNTER
ADJUST
FUNC
OPTION
TEST
Item
Indicates the discrepancy of the density of the pattern
DENS-S-
on the drum (each color) in reference to the target
Y/M/C/K
value in %.
SGNL-S- Indicates the measurement (AD conversion value) of
Y/M/C/K the density of the toner on the drum (each color).
Measurements are taken for each copying run.
REF-S-Y/M/C/K Indicates the measurement (AD conversion value) of
the SALT reference signal (each color).
Measurements are taken for each copying run.
SGNL-D- Indicates the measurement of the light reflected by the
Y/M/C/K photosensitive drum.
COPYRIGHT © 2001 CANON INC.
<M> <S>
DENS 2/3
DENS-S-Y
DENS-S-M
xxxx xxxx
SGNL-S-Y
SGNL-S-M
xxxx
xxxx
REF-S-Y REF-S-M
xxxx
xxxx
SGNL-D-Y SGNL-D-M
xxxx
xxxx
Description
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
<R> <P>
DENS-S-C
DENS-S-K
xxxx
SGNL-S-C
SGNL-S-K
xxxx
REF-S-C
REF-S-K
xxxx
SGNL-D-C
SGNL-D-K
xxxx
<F>
xxxx
xxxx
xxxx
xxxx
Remarks
unit = 0.1%
Normal if between - 40
and +40.
For Y, M, and C, normal if
between 640 and 850
(YMC).
For K, normal if between
192 and 389.
For all colors, normal if
between 464 and 544.
For Y, M, and C, normal if
between 380 and 900.
For K, normal if between
300 and 720.
7-197