White lines on ir5870c

[Apach]

Hello,

What causes these white lines of toner? Belt is new.

White_lines.pdf

[teckat]

Re: White lines on ir5870c

Hello,

What causes these white lines of toner? Belt is new.

[ATTACH]24379[/ATTACH]

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check white plate----------for glass copy issues
stray dust inside the reader unit collects on the white plate, showing up as lines in output images.

cross-feed = front to back
these are some blank spots & not directly thru the entire image (see lower 1/4 of image as shown)
Check the Secondary Transfer Outside Roller SURFACE---
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is this a glass copy is this on colors ? or BLACK ONLY ?(check Black developing cylinder)


post a Full Page Halftone (TYPE=5) test print

white spot images outlined in green inside red outlines have the exact same image & spacing between , as u can see

image.JPG

[Apach]

Re: White lines on ir5870c

Copy or print give same result. I've replaced secondary roller with another and no changes.
Tomorrow I'll try (TYPE=5) test print. On first look distance between two white lines correspond in diameter for (FM2-6857-000) roller unit, but I see no way that would affect the image transfer like this. Is it possible that the problem is in the HV?

P.S.

On this machine I replaced the HD and after deleting R-CON and D-CON I entered the parameters of the P-print.

[teckat]

Re: White lines on ir5870c

Copy or print give same result. I've replaced secondary roller with another and no changes.
Tomorrow I'll try (TYPE=5) test print. On first look distance between two white lines correspond in diameter for (FM2-6857-000) roller unit, but I see no way that would affect the image transfer like this. Is it possible that the problem is in the HV?

P.S.

On this machine I replaced the HD and after deleting R-CON and D-CON I entered the parameters of the P-print.

-----------------/
did u check the fix roller & pressure for a flat spot/or spots
To help prevent the premature deformation of the Upper Fuser Roller is to change the setting of FX-CROT in service mode. The default setting for FX-CROT is set to 0. Try Changing the setting from 0 to 3.

Enter service mode level 1 (* 2 8 *), select Copier > Options > Body > FX-CROT and change setting accordingly.


center measurement distance between Line 1 & Line 2 is same> as between Line 2 & Line 3



funny but did u check the paper stock ?

[Apach]

Re: White lines on ir5870c

Fuser rollers and bearings is new. Paper is ˝Double A˝ and is all full.

[teckat]

Re: White lines on ir5870c

Fuser rollers and bearings is new. Paper is ˝Double A˝ and is all full.

:::::::\
Only thing to check are developer cylinders after PG 5 single color test

[Apach]

Re: White lines on ir5870c

Yeap... I had to replace colors starters and black developer unit. Now, finally working as it should. In addition, I changed all the primary rollers and cleaner unit. I decided to replace these with a copier models Canon iR5075, iR7105 and BH1051. Far fewer problems in maintenance. For the purposes of colors I like to use iRC5185i. If someone in Europe has the above B/W models on sale and they are in very good condition, let me privately contacted.
Teckat thanks on advice and help.

[teckat]

Re: White lines on ir5870c

Yeap... I had to replace colors starters and black developer unit. Now, finally working as it should. In addition, I changed all the primary rollers and cleaner unit. I decided to replace these with a copier models Canon iR5075, iR7105 and BH1051. Far fewer problems in maintenance. For the purposes of colors I like to use iRC5185i. If someone in Europe has the above B/W models on sale and they are in very good condition, let me privately contacted.
Teckat thanks on advice and help.

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good luck, usually comes down to process of elimination on check list