Ricoh C211 Service Manual page 124

3.1.1 Preparation for Adjustment
original table
rover.
1. Remove
2. Connect
the
the terminals of the
PCB.
oscilloscope to the following test pins on the
A/D Conversion
VT2100/VT21 30/VT2150
VT2300/VT2500
—
Terminal Test Pin
Terminal Test Pin
Channel 1 TP 600
Channel 1 TP 601
Channel 2
Channel 2 TP 603 (Black Level TP 600
Standard Voltage)
GND TP 602 GND TP 604
VT2100/VT21 30/VT2150
I
* The trigger terminal is TP 603.
/'
3, Turn on the power switch while holding down the Print Start key, Stop key
and Clear key on the operation panel, --- LT version only
Turn on the power switch while holding down the Print Start key, Stop key,
Clear key and the Full Master Detecting switch. --- A4 version only
4. Set"15" in the copy counter and set "O"in the memory/class display to turn
on only the fluorescent lamp.
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