Ricoh B234 Service Manual page 576

MAIN SERVICE PROGRAM MODE TABLES
3902 Process Control Data Display
001 Auto Process Control
Displays whether auto process control is switched on or off [0:Off, 1:On]
When auto process control is on and the potential sensor is calibrated correctly, "ON"
appears on the operation panel.
Auto process control is not executed when this SP is switched off. After RAM is cleared,
this SP setting goes off.
002 VD
Displays the drum potential.
003 VH
Displays the standard halftone drum potential, used for laser power adjustment.
004 VG
Displays the charge grid voltage resulting from the latest Vd adjustment.
005 LD Power (Correction)
Displays the LD power correction value as a result of the latest Vh adjustment.
006 V ID
Displays the latest drum surface voltage measured on the ID sensor pattern.
009 VD Correction
Shows whether VD correction is being done or not
0: Not being done; process control is using the value of SP2001 007 only
1: Being done; process control is using the value of SP2001 007 + 50V
008 VL (Auto Process Control)
Displays the value of VL at auto process control initialization.
009 VL Correction (Auto Process Control)
Displays the amount of correction (ΔVLref) according to results of the VL detection at
auto process control.
010 VL
Displays the latest value of VL.
011 VL Correction
Displays the amount of correction (ΔVLref) according to the latest VL detection results.
012 VB (Latest)
Displays the value of the current image development bias output, determined by the
results of VL detection.
013 VG
Displays the value of Vg (charge corona grid voltage).
014 Line Speed
Displays the line speed.
3903 VD Correction Counter
Adjusts the starting point for the VD Correction. Displays whether the VD correction is
being performed. The target value is "the value of SP2-001-7 + 50".
[0~999 / 200 / 1 K copies]
Reduce the setting if dirty background occurs.
The counter is automatically reset to 0 (zero) when SP2-801 is performed.
B234/B235/B236/D101/D102/D103 5-38 SM