Ricoh AFICIO A267 Service Manual page 184

20 September 1999
Mode No.
Class Class
1 and 2 3
Charge Roller Bias
Adjustment
2-001* 3
(Temporally input)
Charge Roller Bias
Correction
(Vsdp Minimum)
2-005* 1
Charge Roller Bias
Correction
(Vsdp Maximum)
2
2-005*
Charge Roller Bias
3 Correction Step
Erase Margin
Adjustment
1
(Leading Edge)
Erase Margin
Adjustment
(Trailing Edge
2
– Small Paper Size)
Erase Margin
Adjustment
(Trailing Edge
3
– Middle Paper Size)
2-101*
Erase Margin
Adjustment
(Trailing Edge
4
– Large Paper Size)
Erase Margin
Adjustment
5
(Left Side)
Erase Margin
Adjustment
6
(Right Side)
Function
Inputs the charge roller voltage temporarily
for test purposes.
Do not change the value.
Adjusts the lower threshold value for the
charge roller correction.
When the value of Vsdp/Vsg is less than this
value, the charge roller voltage increases by
50V (e.g. from –500 to –550). The size of
the increase depends on SP 2-005-3.
Adjusts the upper threshold value for the
charge roller correction.
When the value of Vsdp/Vsg is greater than
this value, the charge roller voltage
decreases by 50V (e.g. from –550 to –500).
The size of the decrease depends on SP 2-
005-3.
Adjusts the size of the charge roller voltage
correction.
Adjusts the leading edge erase margin.
The specification is 3 ± 2 mm. See
"Replacement and Adjustment - Copy
Adjustment" for details.
Adjusts the trailing edge erase margin for
paper of length 216 mm or less.
The specification is 3 ± 2 mm. See
"Replacement and Adjustment - Copy
Adjustment" for details.
Adjusts the trailing edge erase margin for
paper of length 216.1 ~ 297 mm.
The specification is 3 ± 2 mm. See
"Replacement and Adjustment - Copy
Adjustment" for details.
Adjusts the trailing edge erase margin for
paper longer than 297 mm.
The specification is 3 ± 2 mm. See
"Replacement and Adjustment - Copy
Adjustment" for details.
Adjusts the left edge erase margin.
The specification is 2 ± 1.5 mm. See
"Replacement and Adjustment - Copy
Adjustment" for details.
Adjusts the right edge erase margin.
The specification is 2 + 2.5/-1.5 mm. See
"Replacement and Adjustment - Copy
Adjustment" for details.
4-17
SERVICE PROGRAM MODE
Settings
0 ~ -2500
1 V/step
0
0 ~ 100
1%/step
90%
0 ~ 100
1%/step
95%
0 ~ 200
1 V/step
50 V
0.0 ~ 9.0
0.1 mm/step
3.0 mm
0.0 ~ 9.0
0.1 mm/step
2.0 mm
0.0 ~ 9.0
0.1 mm/step
3.0 mm
0.0 ~ 9.0
0.1 mm/step
4.0 mm
0.0 ~ 9.0
0.1 mm/step
2.0 mm
0.0 ~ 9.0
0.1 mm/step
2.0 mm