Canon FY8-23AV-000 Manual Do Utilizador

CONTENTS

CHAPTER 1 MAINTENANCE AND INSPECTION

Periodically Replaced Parts .........1-1

Durables.......................................1-1

C. Periodical Servicing .....................1-1
D. Notes on Cartridge.......................1-2

Storing Sealed Cartridges.......1-2

Storing and Handling Unsealed
Cartridges ...............................1-3

Image Adjustment Basic Procedure

.....................................................1-5

Points to Note ..............................1-6

CHAPTER 2 STANDARDS AND ADJUSTMENTS

Mechanical...................................2-1

Image Leading Edge Non-Image
Width (position of white paint on
back of glass)..........................2-1

Image Leading Edge Margin
(point of detection for registration)

................................................2-1

Electrical ......................................2-2

Adjusting the Intensity (VR604)

................................................2-2

Adjusting the AE Mechanism
(VR602, VR603) .....................2-4

CHAPTER 3 IMAGE TROUBLESHOOTING

Making Initial Checks ...................3-1

Site Environment ....................3-1

Checking the Documents........3-1

Checking the Copyboard Cover
and Copyboard Glass for Dirt
and Scratches .........................3-2

Checking the Lens Array for Dirt

................................................3-2

Checking the Transfer Charging
Roller ......................................3-2

Checking the Feeding Assembly

................................................3-2

Checking the Copy Paper .......3-2

Checking the Durables ...........3-2

Others .....................................3-4

Samples of Image Faults .............3-6

C. Troubleshooting by Image Fault

.....................................................3-7

The copy is too light (halftone
areas only). .............................3-7

The copy is too light (dark areas
as well)....................................3-7

The copy is too light (extremely
light overall). ...........................3-7

The copy has uneven density
(darker at front). ......................3-8

The copy has uneven density
(lighter at front). ......................3-8

The copy is foggy (overall)......3-8

The copy is foggy (paper feed
direction). ................................3-9

The copy has dark lines (paper
feed direction, relatively narrow).

................................................3-9

The copy has dark lines (paper
feed direction, thin). ................3-9

10. The copy has white spots (paper

feed direction). ........................3-9

11. The copy has white lines (paper

feed direction). ........................3-9

12. The copy has white spots (cross

feed direction). ......................3-10

13. The back of the copy is soiled.

..............................................3-10