Canon CLC5000 Información técnica Pagina 447

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COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON CLC5000 REV.0 JAN. 2001
CHAPTER 5 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
5-90
Horizontal Streaks
No.
1
2
3
4
5
Color/location (A3)
Specific color (dark, hori-
zontal lines).
Specific color (light, hori-
zontal lines).
All colors
Specific color; leading
edge (black lines as if
made by rubbing).
Specific color
Interval
(mm)
Drum
30 mm
(approx.)
Random
Cause
A transfer memory exists
on the drum.
Traces of contact with the
developing cylinder exist
on the drum.
Dirt exists on the
decurling roller (upper).
The trailing edge of
curled paper touched the
separation charging as-
sembly.
The output of the devel-
oping bias is faulty.
Action
Generate 20 test prints
(PG=05, halftone) con-
tinuously. (Try five times
or so while checking the
images.) If the problem is
not corrected, replace the
drum.
Clean the roller.
Remove the curling from
the paper.
Check the wiring; if nor-
mal, replace the develop-
ing bias unit (HVT3-A/B).
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