Canon LBP 2460 Service Manual - Page 238

CHAPTER 4 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 roller. 4. The high-voltage power supply PCB is defective. Action: Replace the high-voltage power supply PCB. I-6 Dirt on back of paper 1. Periodical stain (pick-up roller, transfer charging roller, fixing lower roller) Action: Clean dirty rollers as shown in Table 4-5-1 on page 4-27. If they cannot be cleaned, replace them. 2. The transfer guide or fixing entry guide is dirty. Action: Clean dirty parts. I-7 Vertical streaks/lines 1. The photosensitive drum is damaged peripherally. Action: Replace the cartridge. 2. The fixing entry guide is dirty. Action: Clean the fixing entry guide. 3. The fixing upper roller is scratched. Action: Remove the cause of the damage and replace the roller. I-8 Smudged horizontal bands 1. The EP-W cartridge is defective. Action: Replace the cartridge. 2. The fixing upper roller is dirty, deformed, or worn. Action: Replace the fixing upper roller. I-9 Dirty 1. The print paper is dirty. Action: Replace with new paper. Advise the customer how to store print paper. 4 - 24