Citizen Systems CLP-6401 user manual Print Troubleshooting

4.5 Print Troubleshooting

Problem		Cause and remedy
Printing doesn't	･	Power to the printer is off.	®	Turn the power switch to ON.
start.				If power still doesn't turn on,
				follow steps in Section 4.2
	･	Printer is not properly		Power Troubleshooting.
			® Turn the power switch to OFF and
		connected to computer.
	･	Printer setting is not		connect it properly.
				Correct the printer setting.
		correct.	®
Missing lines.	･	Print head connector	® If the print head connector is not
		connection failure.		properly connected, insert it
				correctly.
Dropouts.	･	Print head is dirty.	®	Check the print head
				heat-generation body for dirt. If
				it's dirty, wipe the surface of the
				print head heat-generation body
				with a soft cloth soaked in
				ethylalcohol etc.
	･	Platen is dirty.	® Remove dirt or label or tape
				scraps stuck to the platen.
			Note: If those can't be removed,
			contact our service personnel for
			maintenance.
Print is too light or	･	Ink ribbon and paper are	® Change to the recommended
dark.		not the recommended		type after checking the ink
		type.		ribbon and paper maker and
				identification number.
	･	Paper quality doesn't	®	Adjust the offset. See Section
		match the print head		3.6 Print Head Offset
		offset.		Adjustments.
	･	Paper width doesn't	® Adjust the print head pressure.
		match the print head		See Section 3.7 Print Head
		pressure.		Pressure Adjustments.
	･	Printer setup mode is not	® Check whether the setting mode
		correct.		is for direct-thermal or
				thermal-transfer printing and if it is
				not, change it as necessary.
	･	Setting of printing energy	® Check the setting value of printing
		level is not correct.		energy level and adjust it as
				necessary.
Other printing	･	Check the error message on the control panel and correct it
abnormalities		according to the descriptions on Section 2) Errors and corrective
		actions, 4.1 Error Messages.

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