Backside 71.5 mm Repetitive Defect

HP Color LaserJet Enterprise M855 Printer series

Color Definition:    Black:

Backside 71.5 mm repetitive defect

Fig. Black-6.1

As shown below, the issue may vary in location and appearance. Click a sample image below to see a larger version of it.

Fig. Black-6.1

Fig. Black-6.2

Fig. Black-6.3

Description

Mark(s) repeating every 71.5 mm on the backside of pages. May occur after clearing a paper jam.

Most likely causes

  • Secondary transfer roller is likely to have contamination on it.

Transfer Unit

Roller Kit

Troubleshooting and suggestions

  1. Print 1-30 pages to clear the contamination.
  2. If the backside 71.5 mm repetitive issue does not clear, replace the roller kit Picture of the roller kit..
  3. Print another set of pages, if performing the above procedures does not eliminate the issue, Contact HP.

Recommended parts

Order a roller kit.

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