Brother Laserprinter Hl 1030 1240 1250 User Guide

CHAPTER 4 TROUBLESHOOTING
Unable to print from
For iMac and Power Macintosh G3 with USB 
HL-1240 (or HL-1250) does
Unable to print from 

4-18
!
If the Drum  LED is on you can clear a print quality problem by replacing  the drum
unit with a new one.  The Drum LED indicates that the drum unit is at the end of
life.
This section provides information on the following topics:
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Faint
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Gray background
Ghost 

CHAPTER 4 TROUBLESHOOTING
4-19
Image defect examples Recommendation
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abcdefghijk
ABCD
abcde
01234
Toner specks
· Make sure that you use paper that meets the specifications. A
rough surfaced paper may cause the problem.  See “What kind
of paper can I use” in Chapter 1.
· The drum unit may be damaged.  Install a new drum unit.  See
How to replace the Drum unit in Chapter 3.
Hollow print
· Make sure that you use paper that meets the specifications.
See “What kind of paper can I use” in Chapter 1.
·...

4-20
Image defect examples Recommendation
94 mm
(3.7 in.)
94 mm
(3.7 in.)
White Spots
Printed pages have white spots in
black text and graphics at intervals
of 94 mm (3.7 in.).
94 mm
(3.7 in.)
94 mm
(3.7 in.)
Black Spots
Printed pages have black spots at
intervals of 94 mm (3.7 in.).
· If the problem is not solved after printing a few pages, the drum
unit may have glue from label stock on the OPC drum surface.
 Clean the drum unit as follows
 
  1. Position the print sample in front of the drum unit, and...

CHAPTER 4 TROUBLESHOOTING
4-21
Image defect examples Recommendation
94 mm
(3.7 in.)
94 mm
(3.7 in.)
White Spots
Printed pages have white spots in
black text and graphics at intervals
of 94 mm (3.7 in.).
94 mm
(3.7 in.)
94 mm
(3.7 in.)
Printed pages have black spots at
intervals of 94 mm (3.7 in.).
!Caution
Do not try to clean the surface of the photosensitive drum with
anything sharp such as ball-point pen etc.
 
 
· 
· ·  · The drum unit may be damaged.  Install a new drum unit.  See
“How to replace the...

4-22
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Black Horizontal repetitive
ABCDEFGH
White horizontal stripes
ABCDEFGH
Horizontal Lines
ABCDEFGH
Black Vertical lines 

CHAPTER 4 TROUBLESHOOTING
4-23
Image defect examples Recommendation
.
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
White Vertical streaks
· You may clear the problem by wiping the scanner window with
a soft cloth.  See “How to clean the printer” in Chapter 3.
· The toner cartridge may be damaged.  Install a new toner
cartridge.  See How to replace the Toner cartridge in Chapter
3.
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
Page skew
· Make sure the paper or other media is loaded into the paper
cassette correctly and...

4-24
How to print correctly
Problem Recommendation
The printer prints unexpectedly
or it prints garbage.· Make sure the printer cable is not too long.  We recommend you
use a parallel cable of less than 2 metres (6.6 feet) in length.
· Check if the printer cable is damaged or broken.
· If you are using an interface switching device, remove it and
connect your computer directly to your printer and try again.
· Check that the appropriate printer driver is selected as ‘Set as
Default’.
· Check that the...

CHAPTER 4 TROUBLESHOOTING
My headers or footers appear
(For connecting using the
For DOS users  (For HL-1240/1250 Only)
The printer prints, but it prints 

APPENDIX
A-1
APPENDIX
Printer Technical Specifications
Printing
Print MethodElectrophotography by semiconductor laser beam scanning
LaserWavelength: 780 nm
Output: 5 mW max
ResolutionHL-1030: 600 dots/inch  (under Brother Printing
Solution for Windows )
HL-1240: 600 dots/inch  (under Brother Printing
Solution for Windows)
300 dots/inch
(under DOS and other operating systems)
HL-1250: 1200 (H) x 600 (V) dots/inch
(for Windows DIB graphics)
600 (H) x 600 (V) dots/inch
(for Windows and DOS)
600 (H) x 600...