Ricoh A172 - Page 160

Page Item Function Note
<1>
-4
Setting P-con
OFF Mode
Factory use only
Do not adjust in the field.
Default:(for all the colors)
VG: 650 V
VB: 495 V
ILD: 128
Toner Max. M/A
Target
Sets the maximum toner
amount on the gradation
patterns in the process control
self check.
Do not adjust in the field.
Default: 1.000 (= 1 mg/cm2)
TC Correction
Threshold
Sets the threshold for the Vcnt
correction.
Do not adjust in the field.
Default:
Upper limit: 3.8
Target: 3.5
Lower limit: 2.3
<1>
-5
Transfer Belt
Bias (Face Side:
Normal Humidity)
Adjusts the transfer belt bias
voltage for each transfer
process in single side copy
mode with normal humidity.
Do not adjust in the field.
Default:
1C: 1410 2C: 1490
3C: 1575 4C: 1660
Adjustable range: 50 ~ 4000 V
1C Mode
Output
Correction
Adjusts the 1C transfer belt bias
voltage for unusual humidity
ranges.
This is for single side copy
mode.
Do not adjust in the field.
Default:
Low 1: 2075
Low 2: 1740
Low 3: 1740
High: 1410
Service
Tables
SM 4-9 A172/A199