Brother International HL-6050DN Users Manual - English - Page 151

Black lines down the Black spots, All black, Lines across

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Page 151 highlights

Examples of poor print quality ABCDEFGH abcdefghijk ABCD abcde 01234 Recommendation ■ You may clear the problem by cleaning the primary corona wire inside the drum unit by sliding the blue tab. Make sure to return the blue tab to the Home position (▼). See Cleaning the corona wire on page 5-17. ■ The toner cartridge may be damaged. Put in a new toner cartridge. See Replacing the toner cartridge on page 5-3. ■ The drum unit may be damaged. Put in a new drum unit. See Replacing the drum unit on page 5-8. ■ The fuser unit may be smudged. Call Customer Service. Black lines down the page Printed pages have toner stains stripes down the page. ■ You may clear the problem by printing a black page. Black spots Black spots at 108 mm (4.25 in.) intervals. ■ You may clear the problem by cleaning the primary corona wire inside the drum unit by sliding the blue tab. Make sure you return the blue tab to the Home position (▼). See Cleaning the corona wire on page 5-17. ■ The drum unit may be damaged. Put in a new drum unit. See Replacing the drum unit on page 5-8. ■ The fuser unit may be smudged. Call Customer Service. All black ABCDEFGH abcdefghijk ABCD abcde 01234 Lines across the page ABCDEFGH abcdefghijk ABCD abcde 01234 White lines down the page ■ Clean the inside of the printer and the primary corona wire in the drum unit. See Cleaning on page 5-14. ■ The drum unit may be damaged. Put in a new drum unit. See Replacing the drum unit on page 5-8. ■ You may clear the problem by wiping the scanner window with a soft cloth. See Cleaning the inside of the printer on page 5-15 or the Maintenance Tutorial video on the supplied CD-ROM. ■ The toner cartridge may be damaged. Put in a new toner cartridge. See Replacing the toner cartridge on page 5-3. 6 - 19 TROUBLESHOOTING

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6 - 19
TROUBLESHOOTING
Black lines down the page
Printed pages have toner stains
stripes down the page.
■
You may clear the problem by cleaning the primary corona wire inside the
drum unit by sliding the blue tab. Make sure to return the blue tab to the
Home position (
▼
). See
Cleaning the corona wire
on page 5-17.
■
The toner cartridge may be damaged. Put in a new toner cartridge. See
Replacing the toner cartridge
on page 5-3.
■
The drum unit may be damaged. Put in a new drum unit. See
Replacing
the drum unit
on page 5-8.
■
The fuser unit may be smudged. Call Customer Service.
Black spots
Black spots at 108 mm (4.25 in.)
intervals.
■
You may clear the problem by printing a black page.
All black
■
You may clear the problem by cleaning the primary corona wire inside the
drum unit by sliding the blue tab. Make sure you return the blue tab to the
Home position (
▼
). See
Cleaning the corona wire
on page 5-17.
■
The drum unit may be damaged. Put in a new drum unit. See
Replacing
the drum unit
on page 5-8.
■
The fuser unit may be smudged. Call Customer Service.
Lines across the page
■
Clean the inside of the printer and the primary corona wire in the drum unit.
See
Cleaning
on page 5-14.
■
The drum unit may be damaged. Put in a new drum unit. See
Replacing
the drum unit
on page 5-8.
White lines down the page
■
You may clear the problem by wiping the scanner window with a soft cloth.
See Cleaning the inside of the printer
on page 5-15
or the Maintenance
Tutorial video on the supplied CD-ROM.
■
The toner cartridge may be damaged. Put in a new toner cartridge. See
Replacing the toner cartridge
on page 5-3.
Examples of poor print quality
Recommendation
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234