Vsg Voltage Checking - Ricoh FT5540 Service Manual

31 August 1989

2.4 Vsg Voltage Checking

When:
Purpose:
Target:
Measure:
How:
1. Remove the ID sensor PCB. (Refer to "ID Sensor Replacement.")
2. Clean the ID sensor.
3. Reinstall the ID sensor PCB, then check Vsg using SP 54.
Every call (especially if the drum is changed)
To confirm operation of ID sensor mode
Vsg = 4.00 ± 0.20 volts
SP 54
Vsg is displayed on the guidance display for ten seconds.
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