Ricoh AC104, Service Documentation, Page: 110 / 160

TONER CARTRIDGE (AIO) SERVICE
B173 4-44 SM
4.11.3 SIGNS AND MEASURES AT POOR TONER CARTRIDGE
Fault
Signs Cause & Check Solution
•
The printed
image is light
or unclean and
untidy.
•
Some part of
the image is
not printed.
.
1. If the image is light or
unclean and untidy
printed image –Shake
the cartridge and then
recheck.
NG: Check the
weight of the
cartridge
OK: Lack of toner
1. All of 1, 2, 3 -
• The weight of the
cartridge ended: 800g
± 20g
• If it becomes better
by shaking, replace
with a new cartridge.
2. Some part of image is
not printed - Shake
the cartridge and then
recheck.
NG: Check the
weight of the
cartridge and clean
the Laser Scanning
Unit (LSU) window
with a cotton swab,
then recheck.
OK: Lack of toner
2. In case of 2-
if it becomes better
after cleaning the
LSU window, then the
cartridge is normal.
(Because of foreign
substance on the
LSU window, the
image has not been
printed partly.)
3. Periodically a noise
as “tick tick” occurs -
Measure the cycle
and the weight of the
cartridge.
3. In case of 3-
If the cycle of noise is
about 2 seconds, the
toner inside the
cartridge has been
nearly exhausted.
(Purchase and
replace with a new
cartridge after using
about 200 sheets at
the point of
occurrence.)
Light image and
partially blank
image
•
Periodically a
noise as “tick
tick” occurs.
4. White vertical stripes
on the whole screen
or partly:
Check the weight of
the cartridge.
4. In case of 3-
This is a
phenomenon caused
by lack of toner, so
replace with a new
cartridge.