3.6
DEVELOPMENT BIAS VOLTAGE ADJUSTMENT (SP9-38)
ADJUSTMENT STANDARD
Adjusting VR
SP mode
DC –500
±
10 V
VR3
SP9-38
NOTE: VR3 on the CC/Grid/Bias power pack spare parts is pre-adjusted.
Usually it is not necessary to adjust VRB when the CC/Grid/Bias
power pack is replaced.
1. Set the multimeter range to dc 1500 V and connect the multimeter leads
as shown.
NOTE: Keep the multimeter leads away from the main board.
2. Turn on the main switch, close the front cover safety switch, then turn on
the development bias using SP9-38.
3. Adjust the development bias voltage to –500
±
10 V by turning VR3 on
the CC/Grid/Bias power pack [A].
4. Press the Clear/Stop key and turn off the main switch.
[A]
A151/A152
5-30
SM
Summary of Contents for A151
Page 1: ...SERVICE MANUAL PN RCFM3213 A151 A152 A202 A203 RICOH GROUP COMPANIES ...
Page 2: ...SERVICE MANUAL A151 A152 A202 A203 RICOH GROUP COMPANIES ...
Page 3: ...A151 A152 A202 A203 FIELD SERVICE MANUAL PN RCFM3213 ...
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Page 27: ...OVERALL MACHINE INFORMATION ...
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Page 33: ...GUIDE TO COMPONENTS ...
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Page 43: ...INSTALLATION ...
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Page 55: ...SERVICE TABLES ...
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Page 95: ...REPLACEMENT AND ADJUSTMENT ...
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Page 193: ...TROUBLESHOOTING ...
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Page 251: ...DOCUMENT FEEDER A296 ...
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Page 277: ...A202 A203 SERVICE MANUAL ...
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Page 337: ...DOCUMENT FEEDER A662 ...
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Page 359: ...TECHNICAL SERVICE BULLETINS ...
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Page 372: ...Tech Service Bulletin No 3013 3213 008 Page 2 of 3 Continued ...
Page 373: ...Tech Service Bulletin No 3013 3213 008 Page 3 of 3 ...