Konica-Minolta bizhub C3350

Scanner system: skewed image

Troubleshooting procedure

Step	Section	Check item	Result	Action
1	Original	Original is skew.	YES	Reposition original.
1-Side
2	Original glass	Original glass does not tilt.	NO	Reinstall the scanner unit.
				Check the original loading position.
3		The problem has been eliminated through the checks of steps up to 2.	NO	Replace the scanner unit.
2-Sided
4	CIS module	CIS module is tilted.	NO	Reinstall the CIS module.
5		The problem has been eliminated through the checks of steps up to 4.	NO	Replace the ADF.

Scanner system: distorted image

Troubleshooting procedure

Step	Section	Check item	Result	Action
1	Installation	Machine is installed on a level surface.	NO	Reinstall.
2		The problem has been eliminated through the checks of steps up to 1.	NO	1-Sided: Replace the scanner unit. 2-Sided: Replace the ADF.

Scanner system: low image density, rough image

Troubleshooting procedure

Step	Section	Check item	Result	Action
1	Original glass	Original Glass is dirty.	YES	Wipe the surface clean with a soft cloth.
2		The problem has been eliminated through the checks of steps up to 1.	NO	1-Sided: Replace the scanner unit. 2-Sided: • Replace the ADF. • Replace MFPB.

Scanner system: blank copy, black copy

Troubleshooting procedure

Step	Section	Check item	Result	Action
1	Cable connecting scanner and main body	1-Sided: Connector JFBCIS1 on MFPB are connected properly with no pins bent.	NO	Reconnect.
	Cable connecting ADF and main body	2-Sided: Connector JBSCIS1 on MFPB are connected properly with no pins bent.
2	MFP board (MFPB)	The problem is eliminated after the I/F connection cable has been changed.	NO	1-Sided: Replace the scanner unit.
				2-Sided: Replace the ADF. Replace MFPB.