Id Sensor Error Analysis (Sp2-221) - Ricoh Aficio 1013 Service Manual

USING SERVICE PROGRAM MODE

5.1.11 ID SENSOR ERROR ANALYSIS (SP2-221)

A defective ID sensor does not generate an SC condition, but does cause the
image quality to become worse (e.g., dirty background on the copy). If these
conditions occur, check the ID sensor output using SP2-221. (☛ 6.11.15)
1. Vsg ("Vg" in the display)
Error Condition: Vsg < 1.65
Possible causes:
• ID sensor defective
• ID sensor dirty
• Drum does not get charged
2. Vsp ("Vp" in the display)
Error Condition: Vsp > 1.65
Possible causes:
• Toner density is very low
• ID sensor pattern is not being generated
3. Power ("PW" in the display)
This is the power for the light source of the ID sensor.
Error Condition: Vsg < 2.31 at maximum power
Possible causes:
• ID sensor defective
• ID sensor dirty
• Drum does not get charged
4. Vsdp ("Vg-Vp" in the display)
No Error Conditions
5. Vt
Error Condition: Vt > 2.64 or Vt < 0.20
Possible cause:
• TD sensor defective
B044/B045/B046
Vg4.05,Vp0.56,PW59
Vg-Vp3.49,Vt2.16
5-34
B044M009.WMF
SM