Sp3-Xxx Process Control - Ricoh B286 Service Manual

5.9 SP3-XXX PROCESS CONTROL

3001 ID Sensor Initial Setting
These SP's do the settings for the ID sensor LED.
1 PWM
2 Initialization
3103 ID Sensor Output Display
This SP displays the current readings of the bare drum surface (Vsg) and the ID
sensor pattern (Vsp)
1 Vsg Bare drum reflection
2 Vsp ID sensor pattern reflection
3911 Mix New Developer
This SP agitates and mixes developer to raise its triboelectric charge and prevent
dirty background on copies. Do this SP only if the machine has not been used for
a long time.
Note: Execution of this SP is not required at machine installation or after
developer replacement.
SM
Sets the level of the PWM (Pulse Width Modulation) of the ID
sensor LED. DFU
[0 to 100/20/0.1%]
Automatically adjusts the ID sensor with a sensor reading of the
bare drum. The initial setting is 4.0V ±0.2. This SP requires about
4 sec. to execute. Always do this SP at installation, and after you
replace these components:
! OPC Drum
! ID Sensor
! NVRAM
! MCU
5-73
SP3-xxx Process Control
B286/B289