Ricoh D127 - Page 156

The table lists the information shown with SP2-220 (Vsg/Vsp/Vsdp/Vt/Vtref Dilay).
SP Error condition Possible cause Remarks
SP2-220-1 Vsp
(VP in the display)
Vsp < 2.5V or
(Vsp – Vsp) < 1.00V
• Toner density very low
•
ID sensor pattern not
created
-
SP2-220-2 Vsg
(VG in the display)
Vsp > 2.5V or
(Vsg – Vsg) < 1.00V
• ID sensor defective
•
ID sensor dirty
• Drum not charged
-
SP2-220-3 Vsdp No Error Conditions -
SP2-220-4 Vt
Vt > 4.5V or
Vt < 0.2V
• TD sensor defective -
SP2-220-5 Vtref - - -
5. System Maintenance Reference
154