Ricoh A66 - Fuse; Led; Variable Resistors

6.2 VARIABLE RESISTORS
VR No. Function
101
Adjusts the lead-edge registration in one-sided
thin original mode.
102
Adjusts the lead-edge registration in two-sided
original mode.
6.3 LED
LED No. Function
101 Monitors the communication with the copier.
6.4 FUSE
FUSE No. Function
101 Protects the 24 V line.
ARDF
DF61 (A548)
SERVICE TABLES
SM 7-17 A166/A187/A189