Ricoh FT4460, Service Manual, Page: 180 / 413

28 February 1989
Mode No.
56 ADS
Reference
Voltage
Memory
57 ADS voltage
value display
original
58 ADS Voltage
Adjustment
59 Bias Voltage
Check (Black)
61 APS Length
Voltage
62 APS Width
Voltage
Function
Automatically
memorizes the auto
ID reference voltage
as a standard.
Displays K values.
Press Start key to
turn on. Press C/S
to stop.
Displays ADS Vol-
tage. Adjust the volt-
age using VR101 on
the operation board
so that it is 3 ±
0.1V. Press Start
key to turn on.
Press C/S key to
stop.
Displays bias volt-
age. Press Start key
to turn on. Press
C/S key to stop.
Displays APS length
voltage. Adjusts
APS length voltage
using VR302 on the
I/O control PCB so
that it is 2.8 ± 0.2V.
Displays width volt-
age. Adjusts APS
width voltage using
VR301 on the I/O
control board so
that it is 2.8 ± 0.2V.
Data Factory
Setting
Comments
Place more than 5
sheets of A3 (LDG)
white paper on the
exposure glass.
NOTE: Do SP
Mode #56
after adjust-
ing #58.
Machine starts free
run. K = SP #57/
SP #56
SP Mode #57:
Reflected light volt-
age.
This is basic adjust-
ment more than
SP 56.
NOTE: After adjust
ing this
mode, do
SP Mode
#56.
Press Start key to
turn on. Press C/S
key to stop.
Press Start key to
turn on. Press C/S
key to stop.
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