Ricoh FW780 Service Manual page 398

SERVICE TOOLS
Program No.
8 Exposure Lamp (100% duty ratio)
9 Exposure Lamp (selected ID level)
10 Main Charge Corona
11 Grid Voltage
12 Transfer Charge Corona
13 Not Used
14 Separation Charge Corona
15 Exhaust Fan
16 to 19 Not Used
20 Bias Voltage for the Image Area
21 Bias Voltage for the Non-image Area
22 Main Charge Corona + Grid Voltage
Main Motor + PTL + Bias Voltage for the
23
Non-image Area + Quenching Lamp
Original Feed Motor (Forward)
24
(B048 copier only)
Original Feed Motor (Reverse)
25
(B048 copier only)
26 Roll Feeder Dehumidity Heaters
27 Roll Feeder Cutter Motor
28 Roll Feeder Paper Feed Motor (Forward)
29 Roll Feeder Paper Feed Motor (Reverse)
30 Roll Feed Clutch 1
31 Roll Feed Clutch 2
32 Fusing SC Release
Original Feed Motor
(Forward and Reverse)
(B048 copier only)
33
34 Main Switch OFF (Energy Star)
NOTE: The cutter unit continuously moves between the left and right cutter
switches. The number of the movements (0 ~ 9999) is displayed in the
paper length indicator. When the roll feeder is pulled out during this
operation, the operation will stop.
B047/B048
Electrical Component
*Note
4-24
Note
Original feed motor
operation changes every
time the roll feed key is
pressed.
1st time: Forward
2nd time: Stop
3rd time: Reverse
4th time: Stop
Turn off the main switch.
SM