Konica-Minolta bizhub 25

While feeding a document

Symptom	Possible Cause	Countermeasure
No beep sound when you place the document. (The beep sound volume setting could be OFF.)	DS1 sensor defect	0 Press <Setting>, <*>, <2>, <2> to display the sensor input test mode. 1 Confirm the LCD indication changes by moving the DS1 sensor. OFF: No document / ON: Document 2 Check the sensor harness is firmly connected. 3 If the LCD indication does not change, replace the DS1 sensor. 4 Replace the sensor harness. 5 Replace the main control board.
	APS sensor defect	0 Press <Setting>, <*>, <2>, <2> to display the sensor input test mode. 1 Confirm that the LCD indication changes by opening and closing the platen cover. OFF: Cover Open / ON: Document 2 Check the sensor harness is firmly connected. 3 If the LCD indication does not change, replace the APS sensor. 4 Replace the sensor harness. 5 Replace the main control board.

While feeding document

Symptom	Possible Cause	Countermeasure
The machine feeds the document through the ADF without scanning	DS2 sensor defect	0 Press <Setting>, <*>, <2>, <2> to display the sensor input test mode. 1 Confirm that the LCD indication changes by opening the ADF cover and inserting a paper. OFF: No document / ON: Document 2 Check the sensor harness is firmly connected. 3 I f the LCD indication does not change, replace the DS2 sensor. 4 Replace the sensor harness. 5 Replace the main control board.

While a document exits

Symptom	Possible Cause	Countermeasure
The LCD shows a warning while a document exits after scanning.	DS1, DS2 or DS3 sensor defect	Check “DS1 sensor defect”, “DS2 sensor defect” and “DS3 sensor defect” in that order.
The LCD shows a warning after a document exits.

Others

Symptom	Possible Cause	Countermeasure
The message, “Please close the flashing cover.” is displayed on the LCD. The flashing cover: The ADF cover	TXIL sensor defect	0 Press <Setting>, <*>, <2>, <2> to display the sensor input test mode. 1 Confirm that the LCD indication changes by opening and closing the ADF cover. OFF : Cover open / ON: Cover close 2 Check the sensor harness is firmly connected. 3 If the LCD indication does not change, replace the TXIL sensor. 4 Replace the sensor harness. 5 Replace the connect board.