Star Micronics LC-90 NX-1010 user manual Troubleshooting, Problem, Possible Cause

52 Troubleshooting

Problem	Possible Cause	Recommended Action
Text and graphics are	The print head is damaged.	Return the printer to your
malformed.		dealer for repair.
Print quality is poor.
Forms are smudged.	The printer is not set up	Set up the printer for the
	correctly for the thickness of	paper thickness you are
Printing is too dark.	paper being used.	using. See “Adjusting for
		paper thickness” on page 40.
	The ribbon is jammed,	Make sure that the ribbon
	twisted, or not set correctly	cartridge is installed
	between the print head and	correctly. See “Installing the
	the print head shield.	ribbon cartridge” on page 5.
	Print head shield is damaged	Return it to your dealer for
	or missing.	repair.
Printer case is hot.	The printer’s air vents are	Switch off the printer and let
	blocked or obstructed.	it cool. Check the air vents
		on the bottom of the printer
		to see if they are blocked.
		Remove the obstruction is
		possible. If the problem
		persists, return the printer to
		your dealer for repair.
Printer makes excessive	The front cover is removed.	Replace the front cover.
noise.
	The printer is vibrating.	Move any objects that are
		touching the printer.
		Make sure that the printer is
		on a level steady surface.