2. Drum Current Adjustment; [Preparation] - Ricoh FT3020 Field Service Manual

6H-2. Drum Current Adjustment
C A U T I O N : Make sure the main switch is off
when you change the range of digital
multimeter.
If it is not, the multimeter may be
damaged.
NOTE: Though the symbol "U1" is displayed in
the copy counter when the main switch is
on, drum currents can be adjusted.

[Preparation]

1. Remove the rear cover (2 screws).
2. Remove the optics PCB (1 screw, 4 connec-
tors). [FT3050/FT3060]
3. Uncouple the DC interharness connector.
4.
Insert the switching board between the DC
interharness connectors (See illustration).
( T h e i l l u s t r a t i o n f o r F T 3 0 5 0 / F T 3 0 6 0 i
shown on the next page.)
C A U T I O N : All the DIP SW's on the switching
board should be off.
S
[FT3020]
July 1, '85
6-71