6 - 11 TROUBLESHOOTING

Other problems

For Mac i nt osh® with USB

Improving the print quality

If you have a print qual ity problem, print a test page first (see page 3-8). If the printout looks good, the
problem is probably not the printer. Check the interface cable or try the printer on another PC.
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-5130 (or HL-5140,
HL-5150D and HL-5170DN)
does not appear in Chooser
(Mac OS® 8.6 to 9.2) or Print
Center (Mac OS® X 10.1 /
10.2).
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 Hard
Disk and that it is selected with Chooser (Mac OS® 8.6 to 9.2) or Print
Center (Mac OS® X 10.1 / 10.2).
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
on page 1-4.
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 on
page 5-3.
Try installing a new drum unit. See Replacing the drum unit on page 5-9.
ABCDEFGH
abcdefghijk

ABCD

abcde

01234

C
DE
F
d
ef
g

BC

b

c

d

2

3