– Charge Corona Current Adjustment –
ADJUSTMENT STANDARD
Adjusting VR
SP mode
DC – 400
±
3
µ
A
VR1
SP9-2
NOTE: 1) VR1 on the CC/Grid/Bias power pack spare parts is pre-adjusted.
Usually it is not necessary to adjust VRM when the CC/Grid/Bias
power pack is replaced.
2) Keep the high voltage wire terminal [A] away from the copier
frame. Otherwise, electrical leakage may interfere with current
measurement.
1. Turn off the main switch.
2. Disconnect the charge corona terminal [A] from the CC/Grid/Bias power
pack [B].
3. Select the dc 2mA range on the digital multimeter.
4. Connect the multimeter leads as shown, then measure the charge
corona current.
NOTE: Keep the multimeter leads away from the main board.
5. Turn on the main switch, close the front cover safety switch and turn on
the charge corona using SP9-2.
6. Adjust the charge corona current to –400
±
3
µ
A by turning VR1 on the
CC/Grid/Bias power pack.
7. Press the Clear/Stop key and turn off the main switch.
[B]
[A]
A151/A152
5-58
FSM
Содержание A151
Страница 1: ...SERVICE MANUAL PN RCFM3213 A151 A152 A202 A203 RICOH GROUP COMPANIES ...
Страница 2: ...SERVICE MANUAL A151 A152 A202 A203 RICOH GROUP COMPANIES ...
Страница 3: ...A151 A152 A202 A203 FIELD SERVICE MANUAL PN RCFM3213 ...
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Страница 27: ...OVERALL MACHINE INFORMATION ...
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Страница 33: ...GUIDE TO COMPONENTS ...
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