5. Image Density Sensor Adjustment [Ft3020] - Ricoh FT3020 Field Service Manual

6B-5. Image Density Sensor Adjustment
[FT3020]
CAUTION: Before adjusting the ID sensor after
n e w d r u m i n s t a l l a t i o n , c y c l e t h e
machine about 5 times in Free Run
mode to clean the setting powder from
the drum.
NOTE: It is better to use a plastic screw driver to
avoid possible drum damage.
* Adjustment Standard : +3 ± 0.2V
1. Remove the rear cover (2 screws).
2. Connect a multimeter to TP105 (hot line) and
TP102 (ground line).
3. Turn on DIP SW101 #6.
4.
Open the front cover and turn on the main
switch.
5.
Adjust the VR on the front end of the ID sen-
sor PCB.
6-16