6 - 10 TROUBLESHOOTING
Other problems

For Macintosh® with USB

Improving the print quality

This section provides information on the following topics:
Problem Recommendation
The printer cannot print. There
was an error writing to
LPT1: (or BRUSB) for the
printer error message occurs
on your PC.
Check that the printer cable is not damaged or broken.
If you have an interface-switching device, make sure the correct printer is
selected.
Problem Recommendation
HL-5030 (or HL-5040,
HL-5050 and HL-5070N) does
not appear in Chooser.
Check that the printer is turned on.
Check that the USB interface cable is connected correctly.
Check the printer driver is installed correctly.
Unable to print from
application software. Make sure that the supplied Macintosh® printer driver is installed in the
System Folder and that it is selected with Chooser.
Examples of poor print
quality Recommendation
Faint
Check the printer’s environment. Conditions such as humidity, high
temperatures, and so on may cause this print fault. See Positioning the printer
in Chapter 1.
If the whole page is too light, Toner Save mode may be on. Turn off Toner
Save mode in the printer Properties tab of the driver.
Try installing a new toner cartridge. See Replacing the toner cartridge in
Chapter 5.
Try installing a new drum unit. See Replacing the drum unit in Chapter5.
Gray background
Make sure that you use paper that meets the recommended specifications.
See What kind of paper can I use? in Chapter1.
Check the printer’s environment - high temperatures and high humidity can
increase the amount of background shading. See Positioning the printer in
Chapter 1.
Use a new toner cartridge. See Replacing the toner cartridge in Chapter5.
Use a new drum unit. See Replacing the drum unit in Chapter5.
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
C
DE
F
d
ef
g
BC
b
c
d
2
3
ABCDEFGH
abcdefghijk

ABCD

abcde

01234