Ricoh U-C1 B051 Service Manual page 192

26 July 2002
Mode No.
2
(Class 1, 2, and 3)
501* Fusing Bias Switch
1 Fusing Bias Switch
502 Discharge Bias
1 H
2 L
801* Charge Cleaning Interval
1 Charge Cleaning
Interval
802 Charger Cleaning
1 Charger Cleaning
901* Environment Control
1 Environment Control
902 Charge Cleaning Status
Charge Cleaning
1
Status
903 Paper Transfer Adjustment
1 LL1: Plain
904 1C Bias Adjustment
1 M
2 C
3 Y
4 K
912* Temperature Humidity Display
1 Temperature
2 Humidity 1
Function / [ Setting ]
Switches the fusing and discharge pin bias control on or
off.
[0 ~ 1 / 1 / 1/step] DFU
• 0: Control off
• 1: Control on
Adjusts the discharge plate voltage (paper separation
from transfer belt).
[–4000 ∼ –1000 / –2500 / 100 Volt/step]
Sets the charge corona unit cleaning interval.
[0 ~ 5000 / 600 / 100 counts/step]
See section 6 for details. SP7-925 displays the number
of counts since the last cleaning.
Executes a forced charge corona unit cleaning.
Set to 1 to start cleaning.
Switches environment control on or off.
[0 ~ 1 / 1 / 1/step] DFU
• 0: Control off (The paper transfer and cleaning bias
environments are set to NN1. The image transfer bias
environment is set to MM.)
• 1: Control on
[0 ~ 9 / 0 / 1/step]
0: Cleaner has stopped
1: Cleaner moving from front to rear
3: Cleaner moving from rear to front (back to the home
position)
Specifies the difference from the LL1 paper transfer
current (SP2-310).
[0 ~ 7.0 / 8.0 / 1 µA/step]
The specified value is subtracted from the value
specified by SP2-310 under the following conditions:
• The machine is in the LL1 environment.
• 400 images or less are created after the machine
starts.
Default 50V DFU
Default 0V DFU
Default 0V DFU
Default 0V DFU
Displays the temperature measured by the temperature
sensor inside the machine.
[–127 ~ 127 / 0 / 1°C/step]
Displays the humidity measured by the humidity sensor
inside the machine.
[0 ~ 255 / 0 / 1%/step]
5-17
SERVICE PROGRAM MODE