Brother MFC 4300 owner manual Paper Handling Difficulties, Printer JAM

DIFFICULTY	SUGGESTIONS
	Software Difficulties

“Unable to write to LPT1” or “LPT1 already in use” error message appears.

“MFC is Busy” or “MFC Connect Failure” error message appears.

1.Make sure the MFC is on (plugged into the AC outlet) and that it is connected directly to the computer with the bundled IEEE-1284 bi- directional parallel cable. The cable must not go through another peripheral device (such as a Zip Drive, External CD-ROM Drive, or Switch box).

2.Make sure the MFC’s LCD screen is not displaying an error message.

3.Make sure no other device drivers, which also communicate through the parallel port, are running automatically when you boot up the computer (such as, drivers for Zip Drives, External CD-ROM Drive, etc..) Suggested areas to check: (Load=, Run= command lines in the win.ini file or the Statup Group)

4.Check with you computer manufacturer to confirm that the computer’s parallel port settings in the BIOS are set to support a bi-directional machine, i.e. (Parallel Port Mode-ECP).

Paper Handling Difficulties

The MFC does not load	Check to see if the CHECK PAPER or PRINTER
paper. The LCD shows	JAM message appears on the LCD. If so, the multi-
CHECK PAPER or	purpose sheet feeder may be out of paper or not
PRINTER JAM.	properly installed. If it is empty, load a new stack
	of paper into the feeder and then press Start. If
	there is paper in the multi-purpose sheet feeder,
	make sure it is straight. If the paper is curled, you
	should straighten it. Sometimes it is helpful to
	remove the paper, turn the stack over and place it
	back into the multi-purpose sheet feeder. Reduce
	the amount of paper in the multi-purpose sheet
	feeder, and then try again.
The MFC does not load	Reinsert the paper firmly, one sheet at a time.
paper from the manual
feed slot.
How can I load	You can load envelopes from either the multi-
envelopes?	purpose sheet feeder or the manual feed slot. Your
	application software must be set up to print the
	envelope size you are using. This is usually done in
	the Page Setup or Document Setup menu of your
	software. Refer to your application manual.

T R O U B L E S H O O T I N G A N D R O U T I N E M A I N T E N A N C E 15 - 13