Konica-Minolta bizhub 4050

JAM code: 10-01

Sub-code: (250.xx)

Detection timing

250.06	Input sensor did not detect sheet picked from MPF. No other sheets should be in the path.
250.10	Input sensor did not detect sheet picked from MPF. No other sheets should be in the path.
250.13	Input sensor did not detect sheet picked from MPF. Sheet also last page of stapled job.
250.14	Input sensor did not detect sheet picked from MPF. Other sheets should have been flushed.
250.17	Input sensor did not detect sheet picked from MPF. No other sheets should be in the path.
250.18	Input sensor did not detect sheet picked from MPF. Other sheets could be in the path.

Relevant parts

• Input sensor
• MPF solenoid

Procedure

Step	Action	Yes	No
1	Check the springs, links, and tray guides on the MPF assembly for damage. Are they free of damage?	Go to step 2.	Replace the MPF assembly.
2	• Make sure the MPF sensor cable is properly connected to the controller board. • Enter the Service Mode and perform a sensor check: Select [Service Mode] -> [State Confirmation] -> [Sensor Check] -> [Manual Feed]. Does the sensor state on the operation panel display change when it is toggled?	Go to step 3.	Replace the front input guide.
3	Make sure the MPF pick roller and separator pad are free of debris. Check both for wear or damage. Are they free of damage?	Go to step 4.	Replace the MPF pick roller and separator pad.
4	• Remove the left cover. Enter the Service Mode and perform a paper passage test: Select [Service Mode] -> [State Confirmation] -> [Paper Passage Test] -> [Manual Feed], and touch Start key • Check the MPF solenoid for proper operation.	Go to step 5.	Replace the MPF solenoid.
5	• Make sure the MPF gearbox is free of debris. • Check the gears and spring of the MPF gearbox for wear or damage. Are they free of damage?	Go to step 6.	Replace the MPF gearbox.
6	Does the error remain?	Contact the next level of support.	The problem is solved.