Abrasion lines on Pro-4100 dark or solid prints

[mfrohman]

Hello,

I've had a pro-4100 for 9 months and a few weeks ago I started to notice lines that run vertically along my prints, from the front edge back about 4" towards the printer (so perpendicular to the printheads). After running multiple tests, I've determined it the plastic ends that are attached to the rollers that are causing the abrasions (the lines line up perfectly with them). They are only noticeable on dark colored prints or prints that have large fields of solid color and the light needs to hit them just right. Those plastic ends are digging into the surface of the paper before the printheads lay down ink. Once the ink is printed over the paper, it leaves a shiny line of dots where the abrasions are. I only use matte paper. The abrasions seem to happen when the paper advances and retracts just before printing (as part of whatever adjustments it makes between prints).

So far I've called Canon twice and this is what I've tried:

Both canned and custom profiles.

Tried all the 3 paper feed tension settings, from weak, standard, to strong on all 3 options.

Set head height to highest and vacuum strength to strongest. 

Tried 2 different brands of paper and lines showed on both.

Basically, I've adjusted nearly everyone of the advanced custom profile settings that seemed remotely relevant.

I will attach some images of the issue. Any suggestions are appreciated.

Thanks!

[Michael]

Hello.

If the abrasions are appearing after all of the adjustments that you have described, this may indicate a hardware issue with the unit.  Please contact our support group at 1-800-423-2366 to review what options are available to resolve this matter.