Ricoh DD 4450 - Variable Resistors (VRs) for Adjustment

Fuse, LED, VR, DIP-SW, AND TP Tables
SM 4-83 C279
Replacement
and
Adjustment
4.14.3 VR’S
MPU
No. Function
VR101
Adjusts the master end sensor (
p.4-47 "Master End Sensor Adjustment")
VR102
Adjusts the duct jam sensor (
p.4-44 "Duct Jam Sensor Adjustment")
VR103
Adjusts the master edge sensor (
p.4-45 "Master Edge Sensor
Adjustment")
VR104
Adjusts the 2nd drum master sensor (
p.4-46 "2nd Drum Master Sensor
Adjustment")
PSU
No. Function
RV1
Adjusts the thermal head voltage. (
p.4-48 "Thermal Head Voltage
Adjustment")
Ink detection board
No. Function
VR1
Adjustment for the ink detection. (
p.4-63 "Ink Pump Adjustment")