HP 5n C3952A, C2021A, 5 C3916A, 4 C2001A For serial/Bi-Tronics parallel configuration, the computer

Table 7-1		Printer Messages (continued)
	Message		Symptoms and Recommendations
22	ERROR		For serial/Bi-Tronics parallel configuration, the computer
			and printer are not communicating because of improper
22	SERIAL I/O ERROR		signal protocols. This is an I/O buffer overrun error.
22	PARALLEL I/O		Parallel configuration: may mean a loose cable connection.
ERROR			Serial configuration: wrong pacing option may be selected.
			(If you are using an RS232 serial connection, the HP
22	HP MIO ERROR		LaserJet printer uses XON/XOFF and DTR signal protocols
			rather than ENC/ACK protocol.) Press [Continue]* to clear
			the error message (data is lost).
40	ERROR		The printer encountered an error while transferring data
			from the computer. For serial I/O configuration, the error
40	BAD SERIAL DATA		may have occurred because you turned ON or OFF your
FORMAT			computer while the printer was on line, or your printer’s
			baud rate or parity was not the same as the computer’s. For
40	HP MIO ERROR		network MIO cards, this means there was an abnormal
			connection break. Make sure the printer is set at the same
			baud rate as the computer. Press [Continue]* to clear the
			error message. For network MIO cards, see the user’s
			manual for your card.
41.[X] ERROR			A temporary error occurred while printing. Press the
41.x PRINTER ERROR			[Continue]* key to clear the error. If the error persists, refer
x=1, 2, 4 ,5			to “41.X ERROR Message.”
41.3 ERROR			The paper size selection knob or MP paper size does not
41.3 UNEXPECTED			match the installed paper or more than one sheet of paper
PAPER SIZE			was picked up.
50	SERVICE		Power OFF the printer for a minimum of 10 minutes. If the
50	FUSER ERROR		problem continues, refer to the “50 SERVICE error” section.
51	ERROR		Indicates loss of laser beam for over 2 seconds. Press
			[Continue]* to clear this error. If the error persists, refer to
51	PRINTER ERROR		the “51 ERROR Message” section.
52	ERROR		Indicates scanner motor is unable to maintain the proper
			speed. Press [Continue* to clear this error. If the error
52	PRINTER ERROR		persists, refer to the “52 ERROR Scanner Malfunction”
			section.
*Press Go on the LJ5.

Troubleshooting 7-5