Ricoh A151 Field Service Manual page 318

SERVICE PROGRAM MODE
Mode No.
Image Bias
Adjustment †
37
Lead Edge
41 Erase Margin
Adjustment †
Registration
42 Adjustment †
Vertical
43 Magnification
Adjustment †
Horizontal
Magnification
44 Adjustment
(A203 copier
only) †
Registration
Buckle – Paper
45
Feed †
Focus
Adjustment
47 (A203 copier
only) †
Light Intensity
Adjustment †
48
Fusing
49 Temperature
Adjustment
Image Bias
Adjustment at
50 ID Level 7 †
A202/A203
Function
Adjusts image bias output if the image density at
level 4 cannot be adjusted by the Light Intensity
adjustment (SP48). Refer to NOTE 1
0: Vo
1: Vo+40 V
2: Vo+20 V
3: Vo–20 V
4: Vo–40 V
Adjusts the lead edge erase margin.
0.4 mm per step. (–3.2 mm to +2.8 mm)
Refer to NOTE 1
Adjusts registration.
0.4 mm per step. (+3.2 mm to –2.8 mm)
Refer to NOTE 1
Adjusts magnification in the paper travel direction. 0 ~ 15
0.2% per step. (–1.6% to +1.4%)
Refer to NOTE 1
Adjusts magnification perpendicular to the
direction of paper travel.
0.2% per step. (–1.6% to +8.4%)
Refer to NOTE 1
Adjust the amount of paper buckle in the
registration area.
0.4 mm per step. (–3.2 mm to +2.8 mm)
Refer to NOTE 1
Adjusts the 4th/5th mirror position to correct
focus.
This mode must be done after horizontal and
vertical magnification adjustment (SP43 and 44).
Refer to NOTE 1
Adjusts the exposure lamp voltage.
Before performing this mode, clean the optics
and perform SP95. After performing this mode,
perform SP56. The exposure lamp voltage is
adjusted on the production line. Refer to NOTE
1 (and NOTE 2 for the A202 copier).
Adjusts the control temperature of the hot roller
during copying in 1°C steps.
Adjusts image bias voltage at ID level 7.
0: Vo
1: Vo+40 V
2: Vo–40 V
3: Vo–80 V Refer to NOTE 1.
8-40
Settings
0: Normal (Vo)
1: Darkest
2: Darker
3: Lighter
4: Lightest
0 ~ 15
Default = 8
0 ~ 15
Default = 8
Default = 8
0 ~ 50
Default = 8
0 ~ 15
Default = 8
0 ~ 100
Default = 40
100 ~ 170
Default = 126
175°C ~ 200°C
Default = 185°C
0: Normal (Vo)
1: Darker
2: Lighter
3: Lightest
SM