We have black lines running along the bottom edge of a letter sized paper (along the left edge of an 11x17 inch page). These are not smudge lines - there are about 80 mechanically perfect hairline rules, perfectly straight and spaced, running from the edge of that page (outside the print margin) to about 1" into the page. This occurs on ALL printed pages, such as the printer's own configuration page, or a document from my computer.
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Re: Lines along edge of paper
1 of 3 things I can think of off top of my head.
Since they are straight, I would suspect the transfer unit.
If it were just one color it would be that imaging unit.
Unlikely the fuser.
It doesn't sound line an issue called bar coding ,where the machine prints random lines. That would be a software issue.
Take the transfer unit out and inspect it for the marks.
I am assuming the streaks are on all colors correct?
If it isn't on the transfer belt, and on all colors check the fuser and see if its latched.
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the quickest way to find out if your paper jams are due to wrong size paper reporting is to print the network status page.
This page is outline with a line that runs 1/2inch from the edge all the way around the outer edge.
if the box of this page prints smaller than the letter size paper the paper reporting is smaller than 8 1/2 x 11 and if the line at the bottom of the page is missing its reporting a size larger than 8 1/2 x 11 either of these occurances willl be the cause of your paper jams
Fuser hot belt has wear lines transfering to the page
Black pcu needs to be replaced
Transfer unit is not being cleaned properly and needs to be replaced.
Remove each of these assy and inspect them for wear or lines that corespond to the lines on your prints.
it could be the printer settings. Before you actually print something go to File>print:- and then choose properties, click on advanced and ensure that the correct paper and size is set to how you want it.
Streaks in direction of paper travel
There are dark lines running along
the page in the direction of paper
travel from the leading edge to the
trailing edge (B-size print shown).
The printer displays no error code.
Note A-size prints are processed
through the printer with the short
edge of the print parallel to the
direction of the paper path --
making horizontal print artifacts
parallel to the shot edge of the
B-size prints are processed
through the printer with the long
edge of the print parallel to the
paper path -- making horizontal
artifacts parallel to the long axis
of the print.
1. Check the end of life for each of
the consumables by printing the
supplies usage page. From the front panel’s Printable Pages Menu, select
Print Supplies Page.
2. Run the solid fill test pages; From the front panel’s Printable Pages Menu,
select Service Pages, then select Print Solid Fill Pages. If the missing bands
only occur in a single primary color, replace the print cartridge of the affected
3. Swap print cartridges and run another test print.
Note Under some circumstances, streaking may occur in the margin of
SRA3-size paper. This is due to the edges of the paper extending
beyond the end of the imaging components. print-quality in the
margins of SRA3 paper is not guaranteed.
4. Inspect the Accumulator Belt cleaner; replace the cleaner, if necessary.
5. Run the Remove Print Smears routine. From the front panel’s Support Menu,
select Improve Print-Quality?, then select Remove Print Smears.
6. Replace the Developer Housing Assembly (RRP 27, on page 7-171).
7. Remove the print cartridge and (with a flashlight) check for debris along the
edge of the developer housing.
Leading Edge hope that this will help you.
The NP6551 is an analogue copier, using only mirrors and lenses. It has no way of rotating the image. If you want to reduce a 11x17 to a 8.5x11 both peices of paper need to be fed in the same direction, ie short edge first. Change one of your trays to LTR-R ('R' for Reduction) or feed the LTR paper in thru the bypass in the long direction. If you use te bypass you must specify the paper size as LTR-R, you cannot use FREE.
Hi, Legal size is 11x17 inches and you cannot get a legal length document when selected for landscape. Landscape means that it is 11 inches high and 17 inches wide. You need to set it to letter and select 11x17 inches.