Ricoh G148, Service Manual

Page: 477 / 537

• Cleaning Roller: About +1.0 kV max. through terminal [D] to the cleaning roller [E].
Drive rollers [F, G] are grounded so that the cleaning unit can clean the belt easily.
Transfer Current Settings
Here is a list of the default current settings for each paper feed station.
SP No. Station/Mode
Transfer Current (Initial Val-
ue)
SP2301-001 Trays 1, 2, 3: Front Side 80
μ
A
SP2301-002 Trays 1, 2, 3: Back Side 80
μ
A
SP2301-004 Postcard: Front Side 165 μ A
SP2301-005 Paper Interval 15
μ
A
SP2301-006 Tab Paper 75
μ
A
SP2301-007 Thick Paper: Front Side 120
μ
A
SP2301-008 OHP: Front Side 75 μ A
SP2301-009 Tracing Paper: Front Side 120
μ
A
SP2301-010 Image Leading Edge 65
μ
A
SP2301-011 Image Trailing Edge 65
μ
A
The charge for cleaning is applied even during the interval between sheets of copy paper.
The transfer roller output changes to 2.6 kV, and the cleaning roller output is fixed at 1.0 kV:
• When the job ends
• Whenever the drum motor is turning, except during copying and during process control
6. Details
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