Sp2-Xxx (Drum) - Ricoh Aficio MP201SPF Service Manual

SP2-XXX (Drum)

2001* CR Bias Adj
Printing
Adjusts the voltage applied to the charge roller for printing. The voltage
2001 1
changes automatically as charge-roller voltage control works. The value here
is the base value for the charge-roller voltage control.
ID sensor pattern
Adjusts the voltage applied to the charge roller for the ID sensor pattern (as
2001 2
part of charge-roller voltage correction). The charge-roller voltage is obtained
by adding SP2-001-002 to the value of SP2-001-001.
2101* Erase Margin Adj
2101 1 Leading Edge
Trailing Edge
2101 2
The rear trailing edge is this value plus 1.2 mm.
Left side
2101 3
The rear left edge is this value plus 0.3 mm.
Right side
2101 4
The rear right edge is this value plus 0.3 mm.
SM Appendix
[–2100 to –1500 / –1650 / 1 V/step]
[0 to 400 / 300 / 1 V/step]
Adjusts the width of the erased area (
"Adjusting Copy Image Area" in the section
"Replacement and Adjustment").
[0.0 to 9.0 / 3.0 / 0.1 mm/step]
Specification: 2 ± 1.5 mm
[0.0 to 9.0 / 4.0 / 0.1 mm/step]
Specification: 2 +2.5/–1.5 mm
[0.0 to 9.0 / 2.0 / 0.1 mm/step]
Specification: 2 ± 1.5 mm
[0.0 to 9.0 / 2.0 / 0.1 mm/step]
Specification: 2 +2.5/–1.5 mm
3-5
System Service Mode
D115/D116