When printing anything -- whether color or just black and white text -- I've started getting sections of the page printing pale yellow. Seems to be the entire bottom third of the page, and then intermittent streaks above that varying from about 1/4" to 3/4" deep, with about 3/4" to 1" space between them. It's erratic -- I just printed a document of about 30 pages, and the first 5 pages were clean, then the yellow got more and more pronounced for the next 10 pages or so, and then it began to gradually fade. Have never had any problems like this before --
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Most likely the cyan ink is burnt. If the ink sticks are left unused (printing more black than color, this will happen.
Print the test pages for PQ troubleshooting from the control panel and examine each print. Cyan will probably have very dark streaks down the page, magenta should look normal, and yellow also will have dark stripes. You need to replace this burnt ink, and the only way is to print. From within paint (or similar accessory in other OS) Create a full page of cyan, and print about 100 - 200 pages, or until the cyan starts to clear up. Yes it is a waste, but much cheaper than a print head, Do this for yellow as well.
Each color has its own laser. Use the cleaning wand in the front door to clean the lens covers for each color. You will need to remove the waste toner cartridge in front of the the slots to do this. If that does not cure the problem, you will need to replace the developer housings for the colors that are streaking.
The manual can be downloaded at: www.lpscomputer.com/ec/Phaser_7700_Service_Manual.pdf
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.
That actually should make magazine quality color.
What are you experiencing? Do the colors not match? Are there smears or light streaks?
I will gladly work with you to revolve your problem, I just need a frame of reference to start.
Let me know.
You may simply need to download and install a different driver.
They are on www.xerox.com you should be running the PS version of a driver for better graphics.
Without actually seeing a print sample or the machine, my bet would be on the black print cartridge. Even though it reads a an acceptable level of toner, the cartridge itself sounds like it has developed a proble.
1. It's the most obvious
2. It't the cheapest place to start. If it does not correct the problem, you can still use it later.
3. It's the problem in about 80% of these types of cases.
4. I know it should be fine, but if things didn't go wrong, I wouldn't have a job!
Let me know. If not we'll investigate further.