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.
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