Konica-Minolta bizhub PRESS 1250P

Troubleshooting. IQ08. Printer system: Light density (ID lowering)

Printer system:
Light density (ID lowering)

Troubleshooting procedure

	Section	Check item	Result	Action
1	Paper	It occurs on the particular paper.	YES	Check the setting of the paper type, and fix it.
2	Setting menu → Function setting → Density setting → Image density selection	Change the setting value of the image density to the plus, and the trouble is solved.	NO	Go on to the next step.
3	IDC sensor	IDC sensor has dirt.	YES	Clean the IDC sensor with alcohol.
4	Toner supply section	The setting of toner bottle is appropriate.	NO	Reset
5		Toner is supplied to the intermediate hopper normally.	NO	Clean, Replace
6	Check the printer	Check mainly on the charging section, transferring section, photo conductor section, developing section, and toner supply sectio	NO	Clean, Replace
7	Connector, wiring	There is no problem on the image processing board, the overall control board, the write section, and the connector/wiring of the printer control board.	NO	Reconnect the connector Replace the wiring
8	Image Stabilization	The image stabilization solves the trouble.	NO	Go on to the next step.
9	Individual support action adjustment → Image density adjustment	[Darker] on the image density adjustment solves the trouble.	NO	Go on to the next step.
10		The problem has been eliminated through the checks of steps up to 9.	NO	Check or replace the charging section → Replace the drum → Replace LPH → Check or replace the transferring section → Check or replace the developing section → Replace the image processing board → Replace the high voltage unit /1 → Replace the high voltage unit /2