Citizen Systems CLP-6401 user manual Error indications and corrective actions

4.1.2 Error indications and corrective actions

Indication	Description	Corrective actions
Battery	Battery dead	Automatically returned after displaying the error
		for a certain time.
		Change the lithium battery (CR2032).
		Note: Contact our service personnel to replace
		the battery.
		If the battery runs down, the realtime clock will
		stop and the contents of the memory switch will
		be lost.
ColdHead	Low head temperature	Automatically returned after displaying the error
		for a certain time.
		Raise the temperature around the printer.
		Print density becomes low and print quality
		becomes inferior when the head temperature
		is low.
Cold PCB	Low PCB temperature	Automatically returned after displaying the error
		for a certain time.
		Raise the temperature around the printer.
		Print density becomes low and print quality
		becomes inferior when the head temperature
		is low.
Head Err	Abnormal head	Check the contents and clear with the Stop key.
	resistance value	Replace the print head.
		Print quality is affected at the section where the
		head resistance value is abnormal.
OverFlow	Communication error	Check the contents and clear with the Stop key.
	(receive buffer	Correct the communication control system or
	overrun)
		communication cable failure.
S/I Err	Communication error	Check the contents and clear with the Stop key.
	(parity, framing)	Correct the communication parameter or
		communication cable failure.
HostBusy	Communication error	Automatically returned if the computer receives
T.D.Full	(transmit buffer	data and the buffer becomes empty.
	overflow)
Pause	Pause key pressed	Press the Pause key once again to resume
		printing.
		If the Stop key is pressed, the stored printing
		contents will be lost and "on line" will turn on.
Pause	Pause command	Same as above.
	reception
	(communication
	control)

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