HP M1212NF CE841A#BGJ, FESSIONAL M1130, FESSIONAL M1210, FESSIONAL CE841A manual Service menu

Problem Cause Solution

Marks repeatedly appear at even intervals on the page.

The product is not set to print on the type of	In the printer driver, select the Paper/
paper on which you want to print.	Quality tab and set Paper Type to match
	the type of paper on which you are printing.
	Print speed might be slower if you are using
	heavy paper.
Internal parts might have toner on them.	The problem typically corrects itself after a
	few more pages.
The paper path might need cleaning.	Clean the paper path.
The print cartridge might be damaged.	If a repetitive mark occurs at the same spot
	on the page, install a new HP print cartridge.

The printed page contains	The paper might not meet HP specifications.	Use a different paper, such as high-quality
misformed characters.		paper that is intended for laser printers.
	If characters are incorrectly formed so that	Verify that the problem also occurs on the
	they produce a wavy effect, the laser scanner	configuration page. If so, contact HP. See
	might need service.	www.hp.com/support/ljm1130series or
		www.hp.com/support/ljm1210series or the
		support flyer that came in the product box.

The printed page is curled or wavy.

The product is not set to print on the type of	In the printer driver, select the Paper/
paper on which you want to print.	Quality tab and set Paper Type to match
	the type of paper on which you are printing.
	Print speed might be slower if you are using
	heavy paper.
	If the problem persists, select a paper type
	that uses a lower fuser temperature, such
	as transparencies or light media.
The paper might have been in the input tray	Turn over the stack of paper in the tray.
too long.	Also, try rotating the paper 180° in the input
	tray.
The paper might not meet HP specifications.	Use a different paper, such as high-quality
	paper that is intended for laser printers.
Both high temperature and humidity can	Check the product environment.
cause paper curl.
The fuser temperature might be curling the	M1130 Series select a paper type that uses
paper.	a lower fuser temperature, such as
	transparencies or light media.
	M1210 SeriesAt the product control panel,
	turn on the Less paper curl setting in the
	Service menu.

ENWW Solve image-quality problems 205