Canon iR6000 Service Manual

CANON iR5000/iR6000 REV.0 JULY 2000 2000 2000 2000 2000COPYRIGHT © 2000 CANON INC.
CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
4-12 T
3.12 The print has white spots (horizontal)
Reader unit
1) Does the problem occur only in copy images?
YES:
1. Check the scanner rail for foreign matter.
2. Check the scanner cable for tension
Charging wire
2) Does the problem occur at even intervals?
YES: Clean each charging wire.
Developing assembly, Photosensitive drum
3) Does the problem occur at intervals of about 52 mm?
YES: Check the developing assembly:
1. Clean the developing rolls.
2. Dry wipe the surface of the developing cylinder.
3. If scratches are found on the surface of the developing cylinder, re-
place the developing cylinder.
NO: Check the photosensitive drum.
1. Clean the photosensitive drum.
2. If scratches are found on the surface of the photosensitive drum,
find out the cause and replace the photosensitive drum.
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Canon iR6000 Specifications

General

Print Technology	Laser
Copy Resolution	600 x 600 dpi
Scan Resolution	600 x 600 dpi
Functions	Print, Copy, Scan
Print Speed	60 ppm
Duplex Printing	Yes
Network Connectivity	Ethernet
Paper Sizes	A3, A4, B4, B5
Warm-Up Time	30 seconds
Multiple Copies	Up to 999
Magnification	25-400%
Copy Speed	60 ppm (A4)