Brother International HL 1240 Service Manual - Page 305
Image defect, examples, Recommendation, Caution
UPC - 012502600855
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CHAPTER 4 TROUBLESHOOTING Image defect examples Recommendation ! Caution Do not try to clean the surface of the photosensitive drum with 94 mm anything sharp such as ball-point pen etc. (3.7 in.) 94 mm (3.7 in.) • The drum unit may be damaged. Install a new drum unit. See "How to replace the Drum unit" in Chapter 3. 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.). 4-21
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 Drum unit” in Chapter 3.