Ricoh A172 - Page 162

Page Item Function Note
<1>
-6
Transfer Belt
Bias (Back
Side: Normal
Humidity)
Adjusts the transfer belt bias
voltage for each transfer
process of the back side copy
in the manual duplex 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.
These are for the back side
copy in the manual duplex
mode.
Do not adjust in the field.
Default:
Low 1: 2075
Low 2: 1740
Low 3: 1740
High: 1410
Humidity Range
Threshold
Sets the threshold of the
humidity ranges for the transfer
belt bias and roller bias.
Do not adjust in the field.
Default:
1: 43
2: 85
3: 113
4: 215
<1>
-7
Transfer Roller
Bias (Normal
Humidity)
Adjusts the transfer roller bias
voltage for each transfer
process (1C
∼
4C) and the
paper modes (Normal, Thick,
OHP: S, OHP: L, Normal: Back,
and Thick: Back).
Do not adjust in the field.
Adjustable range: 500 ~ 4000 V
Default:
Normal Paper
1C: 1200 2C: 1500
3C: 1800 4C-L&P: 1500
Thick Paper
1C: 1100 2C: 1360
3C:1640 4C-L&P: 1360
OHP: S&L
1C: 2020 2C: 2080
3C: 2370 4C-L&P: 2080
Normal: Back
1C: 1200 2C: 1700
3C: 1980 4C-L&P: 1700
Thick: Back
1C: 1360 2C: 1640
3C: 1930 4C-L&P: 1640
Service
Tables
SM 4-11 A172/A199