Brother International IntelliFax-2600 Service Manual - Page 157

Black and blurred, horizontal stripes

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Trouble (5) Black and blurred vertical stripes (6) Black and blurred horizontal stripes Action to be taken At the scanner Check the following components: - CIS unit At the printer side Clean the paper path which may be contaminated with toner. Slide the wire cleaner tab to clean the corona wire inside the drum unit. Make sure that the wire cleaner tab is returned to its home position. Replace the drum unit. Replace the heat-fixing unit. At the printer side If the horizontal stripes appear at 94-mm or 17-mm intervals, replace the drum unit. If they appear at 54-mm intervals, replace the heat-fixing unit. (7) White vertical streaks (8) Dropout At the scanner Check the following components: - CIS unit At the printer side Replace the drum unit. At the printer side Check the connection of the main-high-voltage flat cable. Replace the drum unit. Replace the high-voltage power supply PCB. VI - 18

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VI
- 18
Trouble
Action to be taken
(5)
Black and blurred vertical
stripes
At the scanner
Check the following components:
-
CIS unit
At the printer side
±
Clean the paper path which may be contaminated with toner.
±
Slide the wire cleaner tab to clean the corona wire inside the
drum unit.
±
Make sure that the wire cleaner tab is returned to its home
position.
±
Replace the drum unit.
±
Replace the heat-fixing unit.
(6)
Black and blurred
horizontal stripes
At the printer side
±
If the horizontal stripes appear at 94-mm or 17-mm intervals,
replace the drum unit.
±
If they appear at 54-mm intervals, replace the heat-fixing unit.
(7)
White vertical streaks
At the scanner
Check the following components:
-
CIS unit
At the printer side
±
Replace the drum unit.
(8)
Dropout
At the printer side
±
Check the connection of the main–high-voltage flat cable.
±
Replace the drum unit.
±
Replace the high-voltage power supply PCB.