Ricoh D131 Service Manual page 605

SP2000 Drum
2 1st Side OFF Timing
Adjusts the length of the space from the leading edge where PTL quenching is
applied to the front side at normal speed. For example, if you select +3, then
quenching will be done 3 mm from the leading edge on the front side.
[-10 to 20/3/1 mm]
3 2nd Side ON/OFF Setting
Turns the PTL lamp on/off during transfer to the front side of the paper at
normal speed.
[0 to 1/1]
0: Off
1: On
4 2nd Side OFF Timing
Adjusts the length of the space from the leading edge where PTL quenching is
applied to the back side at normal speed. For example, if you select +3, then
quenching will be done 3 mm from the leading edge on the back side.
[-10 to 20/3/1 mm]
2801 TD Sensor Initial Setting
Press the EXECUTE button to do the TD sensor initial setting. This SP mode
controls the voltage applied to the TD sensor to make the TD sensor output
1 about 3.0 V.
When SP2967 is on, the TD sensor output is set to about 2.5 V.
Note: Execute this SP only after replacing the TD sensor or developer.
2 Developer Lot No. Input
Use this SP to enter the developer lot number embossed on the developer
package when installing developer in a new machine, or replacing developer in
a used machine.
D131/D132/D133 3-30 SM Appendix