Ricoh A172 - Page 164

Page Item Function Note
<1>
-8
Transfer Roller
Bias Coefficient
By Humidity
Range
Sets the coefficient (%) for the
transfer roller bias (normal
humidity) for other humidity
ranges.
Do not adjust in the field.
Adjustable range: 0 ~ 255
Default:
Normal Paper
Low3 1C: 108 / 4C: 113 Low2 1C: 121 / 4C: 122
Low1 1C: 133 / 4C: 139 High 1C: 77 / 4C: 71
Thick Paper
Low3 1C: 109 / 4C: 103 Low2 1C: 116 / 4C: 110
Low1 1C: 127 / 4C: 118 High 1C: 84 / 4C: 71
OHP-S
Low3 1C: 98 / 4C: 97 Low2 1C: 98 / 4C: 95
Low1 1C: 98 / 4C: 95 High 1C: 93 / 4C: 97
OHP-L
Low3 1C: 98 / 4C: 100 Low2 1C: 98 / 4C: 97
Low1 1C: 98 / 4C: 97 High 1C: 95 / 4C: 100
Normal - Back
Low3 1C: 117 / 4C: 108 Low2 1C: 138 / 4C: 116
Low1 1C: 157 / 4C: 128 High 1C: 84 / 4C: 71
Thick - Back
Low3 1C: 110 / 4C: 108 Low2 1C: 118 / 4C: 115
Low1 1C: 131 / 4C: 127 High 1C: 68 / 4C: 70
<1>
-12
PCC Selects the PCC ac (V) and dc
(
µ
A) output.
Default:
AC: 3180 V DC: –40 mA
Adjustable range:
AC: 2800 ~ 3800 V
DC: –10 ~ –140 mA
Discharge Plate
Output
Adjusts the output voltage of
the discharge plate for each
paper mode.
Do not change the setting in
the field.
Default:
Normal paper: 4000 V
Thick paper: 3500 V
Duplex: Face: 4000 V
Duplex: Back: 4000 V
Toner Sensor
Gain
Manually changes the TD
sensor gain data (VCNT Gain)
determined during the
developer’s initial setting.
Do not adjust in the field.
Toner Sensor
Control Target
Manually changes the target
voltage of the TD sensor output
(V
REF
) during the developer’s
initial setting.
Default: 2.5 V (Bk, Y, M, C)
Adjustable range: 0
∼
5.0 V
Do not adjust in the field.
Service
Tables
SM 4-13 A172/A199