Brother HL-1650/1670N - Manual (Page 194)

6-28
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 Toner cartridge may be damaged. Install a new Toner
cartridge.
See “Replacing the Toner cartridge” in Chapter 5.