CHAPTER 4

Action: Replace the cartridge.

3.The high-voltage power supply PCB is defective. Action: Replace the high-voltage power supply PCB.

4.The DC controller PCB is defective. Action: Replace the DC controller PCB.

II-5. Dots in vertical line

<Possible causes>

1.Static charge eliminator is dirty.

Action: Clean the eliminator with brush.

2.The static charge eliminator contact of the high-voltage power supply is not making a good connection with the static charge eliminator contact.

Action: If the contacts are dirty, clean them. If the problem continues after cleaning, or parts are deformed or damaged, replace them.

3.The transfer charging roller is deformed or has deteriorated. Action: Replace the transfer charging roller.

4.The high-voltage power supply PCB is defective. Action: Replace the high-voltage power supply PCB.

5.The DC controller PCB is defective. Action: Replace the DC controller PCB.

II-6. Dirt on back of paper

<Possible causes>

1.Dirty paper

Action: Replace the paper with new one. Advise the customer on how to store paper.

2.Periodical stain (pick-up roller, transfer charging roller, lower fixing roller)

Action: Referring to Table 4-2-1 on page 4-11, identify the dirty roller(s) and clean the dirty areas. If the dirt cannot be removed, replace the dirty roller(s).

3.The feed guide or fixing entry guide is dirty. Action: Clean dirty parts.

II-7. Vertical lines

<Possible causes>

1.Circumferential scars on the photosensitive drum Action: Replace the cartridge

2.The upper fixing roller is scratched.

Action: Remove the cause of the damage and replace the roller.

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Image 170
Canon 3260 manual II-5. Dots in vertical line, II-6. Dirt on back of paper, II-7. Vertical lines