Brother International HL 2060 Service Manual - Page 90

Black vertical streaks or Blurred vertical line, Black and thin horizontal streaks, Black

Page 90 highlights

I-7 Black vertical streaks or Blurred vertical line I-8 Possible cause EP-ED HC cartridge Fixing unit damaged Step 1 Check During a printing, open the toner cartridge lid in the printer and pull out the EP-ED HC cartridge. Open the drum shutter of the EP-ED HC cartridge and check the toner image on the drum. Are there vertical stripes on the drum? Result Yes Remedy Replace the EP-ED HC cartridge. No Replace the fixing unit. I-9 Black and thin horizontal streaks Possible cause Beam detection error Step 1 Check  Result  Remedy Replace the laser unit or the harness and, if the problem is not resolved, replace the main PCB assy. I-10 Black and blurred horizontal stripes Possible cause Drum or charging roller failure Fixing unit failure Step 1 Check Do stripes appear at 95 mm or 38 mm interval? 2 Do stripes appear at 80 mm interval? Result Yes Remedy Replace the EP-ED HC cartridge. Yes Replace the fixing unit. VI-8

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VI-8
Black vertical streaks or Blurred vertical line
Possible cause
Step
Check
Result
Remedy
EP-ED HC
cartridge
Fixing unit
1
During a printing, open the toner cartridge lid
in the printer and pull out the EP-ED HC
cartridge.
Open the drum shutter of the EP-ED HC
cartridge
Yes
Replace the EP-ED HC
cartridge.
damaged
and check the toner image on the drum.
Are there vertical stripes on the drum?
No
Replace the fixing unit.
I-9
Black and thin horizontal streaks
Possible cause
Step
Check
Result
Remedy
Beam detection
error
1
Replace the laser unit or
the harness and, if the
problem is not resolved,
replace the main PCB
assy.
I-10
Black and blurred horizontal stripes
Possible cause
Step
Check
Result
Remedy
Drum or
charging roller
failure
1
Do stripes appear at 95 mm or 38 mm
interval?
Yes
Replace the EP-ED HC
cartridge.
Fixing unit
failure
2
Do stripes appear at 80 mm interval?
Yes
Replace the fixing unit.
I-7
I-8