See Quick Reference Guide | HP LQH-HW 3ULQWHUV manual

Chapter 15 Diagnosing Problems

Table 21. LCD Message Troubleshooting Table

Displayed Message	Explanation	Action Required

8.5V PWR FAIL*	Internal power failure.	Contact your Hewlett-Packard
		Customer Service Engineer.1

15V PWR FAIL*	Controller voltage failure.	Contact your Hewlett-Packard
		Customer Service Engineer.1

23.5V PWR FAIL*	Controller voltage failure.	Contact your Hewlett-Packard
		Customer Service Engineer.1

48V PWR FAIL*	Internal power failure.	Contact your Hewlett-Packard
		Customer Service Engineer.1

A TO D OVERUN*	Fatal firmware error on controller	Contact your Hewlett-Packard
	board.	Customer Service Engineer.1

ACCESS NULL PTR*	Fatal firmware error on controller	Contact your Hewlett-Packard
	board.	Customer Service Engineer.1

BUFFER OVERRUN	Host sends data after the printer	Check your serial host
	buffer is full. (Serial interface.)	interface parameter settings; if
		necessary, adjust them so
		they match the settings of the
		attached host.

CLEAR PAPER JAM	No paper motion.	Clear jam and reload paper.
		(See Quick Reference Guide.)
		If this message recurs, contact
		your Hewlett-Packard
		Customer Service Engineer.1

CLEARING PROGRAM	The program successfully loaded	None
FROM FLASH	into printer RAM and the
	checksum matched. The old
	program is now being deleted
	from flash memory.

CLOSE PLATEN	The forms thickness lever is open.	Close the forms thickness
		lever.

COIL HOT*	One or more hammer coils are	Contact your Hewlett-Packard
	overheating.	Customer Service Engineer.1

CTL VOLT FAIL*	Controller voltage failure.	Contact your Hewlett-Packard
		Customer Service Engineer.1

DIAGNOSTIC	The printer passed its memory	None
PASSED	and hardware initialization tests.

DRVR CIR BAD*	Hammer coil count test failed.	Contact your Hewlett-Packard
		Customer Service Engineer.1

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LQH-HW 3ULQWHUV specifications

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In summary, the HP LQH-HW 3ULQTEŤRS combines high-quality printing, rapid output, versatile connectivity, robust security, and cost efficiency in an innovative design. This printer is crafted to support the increasing demands of modern workplaces while delivering exceptional results, thereby making it a smart choice for both businesses and individual users.

HP LQH-HW 3ULQWHUV manual See Quick Reference Guide

Models: LQH-HW 3ULQWHUV

A TO D OVERUN*

ACCESS NULL PTR*

BUFFER OVERRUN

(See Quick Reference Guide.)

COIL HOT*

DRVR CIR BAD*

LQH-HW 3ULQWHUV specifications