Ricoh Robin Service Manual page 105

24 June 1994
Mode No.
41 Lead Edge
Erase Margin
Adjustment
42 Registration
Adjustment
43 Vertical
Magnification
Adjustment
44 Horizontal
Magnification
Adjustment
(A152 copier
only)
45 Registration
Buckle – Paper
Feed
47 Focus
Adjustment
(A152 copier
only)
48 Light Intensity
Adjustment
50 Image Bias
Adjustment at
ID Level 7
51 Exposure Lamp
Data Display
52 Fusing
Temperature
Display
54 Vsg Display
Function
Adjusts the lead edge erase margin.
0.4 mm per step. (–3.2 mm to +2.8 mm)
Adjusts registration.
0.4 mm per step. (+3.2 mm to –2.8 mm)
Adjusts magnification in the paper travel direction. 0–15
0.2% per step. (–1.6% to +1.4%)
Adjusts magnification perpendicular to the
direction of paper travel.
0.2% per step. (–1.6% to +8.4%)
Adjust the amount of paper buckle in registration
area.
0.4 mm per step. (–3.2 mm to +2.8 mm)
Adjusts the 4th/5th mirror position to correct focus. 0–100
This mode must be done after horizontal and
vertical magnification adjustment (SP43 and 44).
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 3
for A151 copier.
Adjusts image bias voltage at ID level 7.
0: Vo
1: Vo+40V
2: Vo–40V
3: Vo–80V
Displays the exposure lamp data with a reference
number.
The exposure lamp, and optics cooling fans turn
on for 10 seconds when the Auto Image Density
key is pressed. Press the C/S key to turn this
mode off. Do not repeat more than 5 times to
avoid overheating the optics cavity. Refer to
NOTE 3 for A151 copier.
Displays the fusing temperature.
Refer to NOTE 3 for A151 copier.
Displays Vsg.
Adjust Vsg to 4.0 ± 0.2 V using VR102 on the
main board. The main motor and the ID sensor
LED turn on when the Auto Image Density key is
pressed. Refer to NOTE 4 for A151 copier.
4-15
SERVICE PROGRAM MODE
Data
0–15
Default = 8
0–15
Default = 8
Default = 8
0–50
Default = 8
0–15
Default = 8
Default = 40
100–145
Default = 126
0: Normal (Vo)
1: Darker
2: Lighter
3: Lightest
100–150