Konica-Minolta bizhub 4050

JAM code: 12-01

Sub-code: (242.xx)

Detection timing

242.01	Paper over tray 2 Pass through sensor on warmup.
242.02	Input sensor detected late feed during a pick retry from tray 2.
242.03	Tray 2 Pass through sensor never became covered when feeding a sheet from an option below.
242.06	Failed to feed from tray. Paper present sensing supported and indicates media still in tray.
242.07	Option tray 2 Pass through sensor never became uncovered when feeding a sheet from an option below.
242.09	Tray 2 Pick/lift motor lost encoder.
242.11	Autocomp Pick/lift motor - Encoder Never Detected in tray 2.
242.12	Motor ramp up error in tray 2.
242.13	Page to be stapled failed to feed from tray.
242.14	Sheets flushed from paper path either due to feed error or cartridge error.
242.15	One or more trays located above the source tray 2 has been pulled.
242.16	The engine timed out waiting for the tray 2 to report ready before the 1st pick attempt.
242.17	Page was not properly picked from tray 2. Have not exhausted all pick retry attempts as there are sheets committed to the paper path from below.
242.19	Tray 2 fail to feed error. Detected while trying to pick a sheet, and that leading edge was not detected by the pass through sensor.
242.20	Took too long to ramp up dc feed motor in tray 2.
242.21	Pick motor stall in tray 2.
242.22	Tray 2 Pick/lift motor underspeed.
242.24	DC Feed autocompensator stalled on the last pick attempt in tray 2.
242.32	Tray not ready.
242.33	Pick received but detected a tray pulled.
242.41	Motor 1 (Pick/lift) Elevator motor stalled.
242.42	Motor 1 (Pick/lift) Elevator motor PWM overflow error (underspeed). Motor underspeed (max PWM and motor underspeed, typical accordion jam).
242.43	Motor 1 (Pick/lift) motor ramp (end ramp - did not reach speed, typical pack feed paper jam).
242.44	Motor 2 (Separator/pass through) motor stalled.
242.45	Motor 2 (Separator/pass through) motor PWM overflow error (underspeed). Motor underspeed (max PWM and motor underspeed, typical accordion jam).
242.46	Motor 2 (Separator/pass through) motor ramp (end ramp - did not reach speed, typical pack feed paper jam).
242.47	Motor 3 motor stalled.
242.48	Motor 3 motor PWM overflow error (underspeed). Motor underspeed (max PWM and motor underspeed, typical accordion jam).
242.49	Motor 3 motor ramp (end ramp - did not reach speed, typical pack feed paper jam).

Relevant parts

• Separator/pass through motor
• Pick/lift motor
• Pass through sensor

Procedure

Step	Action	Yes	No
1	Restart the printer. Does it fail to complete the POST sequence and display a 242.01 error?	Replace the option tray.	Go to step 2.
2	• Enter the Service Mode and perform a paper passage test: Select [Service Mode] -> [State Confirmation] -> [Paper Passage Test] -> [Tray 2], and touch Start key. • Cancel the test after five pages. Does the printer successfully feed the five pages into the output bin?	The problem is solved.	Go to step 3.
3	Does the printer display a 242.06 error?	Replace the ACM assembly.	Go to step 4.
4	Check the pick roller assembly. Is it free of wear or damage?	Go to step 5.	Replace the pick roller assembly.
5	Check the separator roll assembly. Is it free of wear or damage?	Go to step 6.	Replace the separator roll assembly.
6	Check the tray guides, lift plate, and lift plate gears. Are they free of wear or damage?	Go to step 7.	Replace the tray insert.
7	Check the ACM assembly Is it free of wear or damage?	Go to step 8.	Replace the ACM assembly.
8	Enter the Service Mode and perform a paper passage test: Select [Service Mode] -> [State Confirmation] -> [Paper Passage Test] -> [Tray 2], and touch Start key. Does the pick/lift motor gearbox pass the test?	Go to step 9.	Replace the option tray.
9	Does the error remain?	Contact the next level of support.	The problem is solved.