Ricoh A212, Service Manual

Page: 51 / 92

Mode No. Function Settings
2-812
Drum Reverse
Rotation
Adjustment † Adjusts the amount of the time for the
drum reverse rotation after each copy job. 0 ~ 32
Default = 16
(about 3 mm)
If paper dust remains on the drum, it may
get into the recycled toner. If this is
happening, increase the reverse rotation
by increasing the value of the setting.
2-901
Drum Charge
Roller
Cleaning
Interval † Selects the drum charge roller cleaning
interval.
Turn the copier main switch off and on
after changing the setting. 0: Every 1,000
copies
1: Every 500
copies
2: Every 200
copies
3: Every 100
copies
The drum charge roller is cleaned briefly
at the end of each copy job. The drum
charge roller is also cleaned for 5
seconds after the interval selected with
this SP mode.
2-902 Do not use —
3-001
ID Sensor Initial
Setting Performs the ID sensor initial setting. ID
sensor output for the bare area of the
drum (V
SG
) is adjusted to 4.0
±
0.2 V.
To start this SP mode, press the
!
key.
3-002
ID Sensor Initial
Setting Display
† Displays the initial setting value of the ID
sensor.
Normally 4.0
±
0.2 V is displayed. If the
ID sensor cannot be adjusted to 4.0
±
0.2 V, the ID sensor or the OPC drum
should be cleaned.
3-103-001
to
3-103-002
ID Sensor
Output Display † Displays the ID sensor outputs.
SP3-103-001: V
SP
SP3-103-002: V
SG
Normally, V
SP
= 0.01 ~ 2.50 V, V
SG
=
4.0
±
0.2 V (V
SP
/V
SG
≈
0.1)
3-105
Forced V
L
Detection
After the
!
key is pressed, the initial
V
LP
/V
LG
(= V
REF
) is determined.
For when to use this SP mode, see
"Practical SP Mode Use Table".
3-106
Initial V
LP
/V
LG
Display †
Displays the initial V
LP
/V
LG
value
determined by SP3-105.
3-107
Current
V
LP
/V
LG
Display †
Displays the current V
LP
/V
LG
value [%].
This is the value currently being used for
V
L
correction.
SERVICE PROGRAM MODE 13 October 1997
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