2.16 ABNORMAL CONDITION IN TONER DENSITY
DETECTION
- Problem -
The Auto ID indicator or the selected manual ID level blinks. (No SC Code is
indicated.)
- Definition -
If Vsg goes below 2.5 volts or Vsp goes above 2.5 volts five times in a row.
- Possible Causes -
•
Incorrect Vsg voltage
•
Dirty ID sensor
•
Low toner density
•
Defective ID sensor
•
Defective main board
- Action -
Check the Vsg voltage displayed on the operation panel with SP55.
5.00
0.00
(Vsp
≥
2.5 volts)
(Vsg
≤
2.5 volts)
Is the copy image too light?
No Yes
Refer to the Light Copy section.
Is the ID sensor circuit open?
No Yes
Replace the ID sensor and adjust Vsg to
4.0
±
0.2 volts.
Replace the main board and adjust Vsg to 4.0
±
0.2 volts.
Is the ID sensor surface dirty with toner?
No Yes
Clean the ID sensor with a blower brush and, if needed, with a damp
cloth, then check and adjust Vsg to 4.0
±
0.2 volts. If toner scattering
occurs, correct it. (Refer to the Toner Scattering section.)
A151/A152
6-50
FSM
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 ...
Page 4: ......
Page 6: ......
Page 8: ......
Page 10: ......
Page 22: ......
Page 26: ......
Page 27: ...OVERALL MACHINE INFORMATION ...
Page 28: ......
Page 32: ......
Page 33: ...GUIDE TO COMPONENTS ...
Page 34: ......
Page 42: ......
Page 43: ...INSTALLATION ...
Page 44: ......
Page 55: ...SERVICE TABLES ...
Page 56: ......
Page 95: ...REPLACEMENT AND ADJUSTMENT ...
Page 96: ......
Page 193: ...TROUBLESHOOTING ...
Page 194: ......
Page 250: ......
Page 251: ...DOCUMENT FEEDER A296 ...
Page 252: ......
Page 268: ......
Page 274: ......
Page 277: ...A202 A203 SERVICE MANUAL ...
Page 278: ......
Page 337: ...DOCUMENT FEEDER A662 ...
Page 338: ......
Page 359: ...TECHNICAL SERVICE BULLETINS ...
Page 360: ......
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 ...