Ricoh A230, Service Manual, Page: 225 / 1134

SERVICE PROGRAM MODE
4-16
A230/A231/A232 SM
Mode No.
Class 1
and 2
Class 3
Function Settings
2-902 3 Test Pattern
Printing
(Printing) Prints the printer test patterns.
See section 4.2.3. for how to print test patterns.
Example: 10. Trimming Area
This SP mode is useful for finding whether the LDDR or
the BICU is defective. If the printout is not OK, the LDDR
is defective.
2-909 * 1* Main Scan
Magnification
(Copier) Adjusts the magnification in the main
scan direction for copy mode. - 2.0 ~+ 2.0
0.1 %/step
+ 0.00 %
Use the
●
/
✽
key to toggle b
and -. See "Replacement and
Adjustment - Copy Adjustments" for
details.
2* Main Scan
Magnification
(Printer) Adjusts the magnification in the main
scan direction when printing from a
personal computer. - 2.0 ~+ 2.0
0.1 %/step
+ 0.00 %
Use the
●
/
✽
key to toggle b
and -. See "Replacement and
Adjustment - Copy Adjustments" for
details.
2-911* 1* Transfer Current
Timing
(On Timing) Adjusts the transfer current on timing at
the leading edge. -30 ~ +30
1 mm/step
0 mm
2* Transfer Current
Timing
(Switch Timing) Adjusts the transfer current switch
timing. This determines when the
leading edge stops and the image area
current begins (see SP 2-301). -30 ~ +30
1 mm/step
10 mm
3* Transfer Current
Timing
(Off Timing) Adjusts the transfer current off timing (–
5 mm is 5 mm after the trailing edge). -30 ~ +30
1 mm/step
- 5 mm
2-912* Drum Reverse
Rotation Time Designer use only. Do not change
the value. 0 ~ 50
1 ms/step
50 ms
2-913 Test Pattern ID
Adjustment Adjusts the image density for printing
test patterns (with SP2-902). Usually
this SP mode is only used by designers. 0 ~ 15
1/step
15
The value is cleared when the main
power switch is turned off and on.
2-914* 1* Process Control
Setting - C
α
Adjusts the charge roller voltage used
when paper with a small width is fed
from the by-pass tray. The paper width
below which the correction starts
depends on the value of SP2-309-1. 0 ~ 400
10 V/step
250 V
Use this SP when an image problem
(such as white spots at the center of
black dots or breaks in thin black lines)
occurs when paper with a small width is
fed from the by-pass feed tray.