Ink Smear 3 (roller mark smudges made by serrated roller and paper feed roller)

Assumed cause
  • Ink deposited on the serrated roller is transferred to the paper
  • Ink deposited on the feed roller is transferred to the paper

Defect-related parts
  1. EJ Unit
  2. Unit containing feed rollers and serrated rollers
  3. Paper guides
  4. Stacker Unit
  5. EJ Roller, Duplex Roller
  6. Registration Roller Assy
Troubleshooting
Step Confirmation and action YES NO
1

Execute “Blank Paper Feed: 10 Sheet Simplex” and “Blank Paper Feed: 10 Sheet Duplex”.

  • Has the image defect been improved?

(Clean the rollers or ribs dirt with blank paper. Expect a cleaning effect by passing blank paper)

 End of work Go to step 2
2

Clean the paper feed path in the EJ Unit
Clean the paper feed path, each feed rollers and EJ roller.

  • Has the image defect been improved?
 End of work Go to step 3
3

EJ unit replacement

  • Has the image defect been improved?
 End of work

Go to step 4
4

Replace the Registration Roller Assy

  • Has the image defect been improved?
 End of work Clean and replace parts sequentially from the upstream side of the paper path
important / 重要
  • From the output result (dirt condition), it is not possible to identify the ink accumulation location. Therefore, the place where the printed paper is transported is sequentially cleaned / replaced to solve the problem.