Ricoh D109 Service Training page 47

Sensor errors occur at these times:
ID Sensor:
You can see the current readings with SP 2221
TD Sensor
If the machine gets error readings 10 times in
succession, SC 390 will be shown. You can see
the current value with SP 2220
Slide 47
No additional notes.
Toner Errors
Vsg ≤ 2.5 (when Vsg is read)
Vsg < 3.5 (at maximum power)
Vsp ≥ 2.5
Vt ≥ 2.64 or Vt < 0.20
TD < 0.20 V
TD > 2.64 V
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S-C4L Training