Ricoh D129 - Page 499

Service Call Conditions
D129/D130 6-10 SM
355 C
Grayscale measurement error
When the grayscale control result is the maximum and it does not operate
correctly and these cases are detected 15 times.
 ID sensor defective or dirty
 The life of ID sensor or photo conductor
 Shield glass dirty
360 D
TD sensor (Vt) error 1
The following condition occurs thirty times consecutively during printing. Vt is
less than 0.5V or 4.8V or more
 TD sensor disconnected
 Harness between TD sensor and PCDU defective
 Defective TD sensor.
372 D
TD sensor adjustment error
Vts is less than 1.8V or 4.8V or more during TD sensor initialization.
 Heat seal not removed from a new developer pack
 TD harness sensor disconnected, loose or defective
 TD sensor defective
 Harness between TD sensor and drawer disconnected, defective
396 D
Drum motor error
The machine detects a lock signal error from the drum motor for 2 seconds
after the drum motor turned on.
 Overload on the motor
 Defective drum motor
 Defective harness
 Defective IOB