Ricoh D131 Service Manual page 608

2920 LD Off Check
Checks if the LD turns off or on when the front door is opened. DFU
[0 to 1/1]
0: On
1: Off
2930 Transfer Idle Cleaning
When resolution changes from 400 to 600 dpi, the LD writes a pattern on the
drum. Toner is applied, and this must be cleaned off the belt. This SP mode
determines whether bias is applied to the transfer belt cleaning bias roller at
this time. DFU
[0 to 1/1] 0: Off 1: On
Switching this function on adds 3 s to the job time.
2931 Transfer Current On/Off Timing: LCT
1 On Timing: La1 (Front)
Adjusts on transfer current ON timing for front side copying.
[–30 to +30/20/1 mm]
2 La1f (Front)
Adjusts the area where the transfer is applied for the leading edge during front
side copying.
[0 to +20/0/1 mm]
3 Lc1r (Front)
Adjusts the area where the transfer current is applied for the trailing edge
during front side copying.
[0 to +20/0/1 mm]
4 Off Timing: Lc1 (Front)
Adjusts the transfer current OFF timing for front side copying.
[–30 to +30/20/1 mm]
SM Appendix 3-33
SP2000 Drum
D131/D132/D133