HP CM2320 manual See HP ToolboxFX on

Problem Cause Solution

Marks repeatedly appear at even intervals on the printed side of the page.

The device is not set to print on the type	In the printer driver, select the Paper tab
of media on which you want to print.	and set Type is 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. See Clean the
	product on page 191.
The fuser might be damaged or dirty.	To determine if the fuser has a problem,
	open the HP ToolboxFX and print the
	print-quality diagnostics page. See
	HP ToolboxFX on page 32.
	Contact HP Support. See the support
	flyer that came in the box.
A print cartridge may have a problem.	To determine which cartridge has a
	problem, open the HP ToolboxFX and
	print the print-quality diagnostics page.
	See HP ToolboxFX on page 32.

Marks repeatedly appear at even	Internal parts might have toner on them.	The problem typically corrects itself after
intervals on the unprinted side of the		a few more pages.
page.
	The paper path might need cleaning.	Clean the paper path. See Clean the
		product on page 191.
	The fuser might be damaged or dirty.	To determine if the fuser has a problem,
		open the HP ToolboxFX and print the
		print-quality diagnostics page. See
		HP ToolboxFX on page 32.
		Contact HP Support. See the support
		flyer that came in the box.
The printed page contains misformed	The media might not meet HP	Use a different paper, such as high-
characters.	specifications.	quality paper that is intended for color
		laser printers.
	If characters are incorrectly formed so	Verify that the problem also occurs on
	that they produce a wavy effect, the laser	the Configuration page. If so, contact
	scanner might need service.	HP Support. See the support flyer that
		came in the box.

ENWW Solve image-quality problems 221