Ricoh A229 Service Manual page 245

SERVICE PROGRAM MODE
Mode No.
(Class 1 , 2 & 3)
2-909 Main Scan Magnification
1 Copier
2 Printer
2-911 Transfer Current On/Off Timing
1
3 Lc(OFF)
2-912 Drum Reverse Rotation Interval
2-913 Test Pattern ID Adjustment
2-920 LD Off Check
2-930 Transfer Belt Cleaning – DPI Change
2-961 Developer Initialization (Factory)
A229
* Adjusts the magnification in the main scan
direction for copy mode.
Use the "•" key to toggle from + to - and
Clear/Stop key to toggle from - to + before
entering the value.
* Adjusts the magnification in the main scan
direction when printing from a personal
computer.
Use the "•" key to toggle from + to - and
Clear/Stop key to toggle from - to + before
entering the value.
La(ON) * Adjusts the transfer current on timing at the
leading edge.
Use the "•" key to toggle from + to - and
Clear/Stop key to toggle from - to + before
entering the value.
* Adjusts the transfer current off timing (for
example: –5 mm is 5 mm after the trailing
edge).
Use the "•" key to toggle from + to - and
Clear/Stop key to toggle from - to + before
entering the value.
* This SP mode is for designer use only.
Do not change the value.
Adjusts the image density for printing test
patterns (with SP2-902). Usually this SP
mode is only used by designers.
The value is cleared when the main power
switch is turned off and on.
Checks whether the LD turns off or on
when the front door is opened.
0 : On 1: Off
Factory use only.
* When resolution changes from 400 to
600 dpi, the LD writes a pattern on the
drum. Toner is applied, and this must
be cleaned off the belt. This SP mode
determines whether bias is applied to
the transfer belt cleaning bias roller at
this time.
Factory use only.
Function
4-18
Rev. 12/15/98
Settings
- 2.0 ~+ 2.0
0.1 %/step
+ 0.0 %
- 2.0 ~+ 2.0
0.1 %/step
+ 0.0 %
-30 ~ +30
1 mm/step
0 mm
-30 ~ +30
1 mm/step
0 mm
0 ~ 300
20 ms/step
40 ms
0 ~ 15
1/step
15
0 : No
1 : Yes
SM