Konica-Minolta bizhub PRESS 1250

Troubleshooting. IQ06. Printer system: Uneven density in sub scan direction

Printer system:
Uneven density in sub scan direction

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	Check the printer	Check mainly on the charging section, transferring section, photo conductor section, and the developing section.	NO	Clean, Replace
4	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
5		The problem has been eliminated through the checks of steps up to 4.	NO	Replacing of the drum → Check or replace the charging section → Replace LPH → Check or replace the transferring section → Check or replace the developing section → Replace the image processing board → Replace the high voltage unit /2