Question about Tektronix Phaser 740P Laser Printer

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Phaser 740 Printing Cyan only

Tektronix 740 was printing in full color, then all of a sudden it is only printing the cyan components of the document. As if I had color separation selected. The Xerox website says I need to have it serviced. Is it something I can fix myself?

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  • lanasanta Jun 11, 2008

    Ya know what, Bubba?  It was saying yellow toner low, then yellow toner missing.  It then gave me an error message. Error 32, Imaging Unit error. So I shut if off, reset the imaging unit-error message gone. Still wont print all 4 colors. I'll update when I receive the yellow toner.


    Thanks for the help!

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The problem is usually caused by a faulty imaging device, specifically a bad cleaning blade.
Occasionally this error can also be caused by a sticking cleaning blade clutch.

In this case the grease that was used to lubricate the part becomes gummed up and the moving parts begin to stick and don't move freely as they are supposed to. This is especially common on these printers if they are not used heavily or have sat for long periods between uses.

Sometimes you can free up this gummed up grease by running the solenoid diagnostics several times over. You do this by turning off the printer and then powering up while holding buttons 1 and 3 on the front panel display. Button 1 is the exit button.

This will put your printer into service diagnostics mode. Page through the diagnostics menus until you come to the clutches and solenoids menu. Here you need to hit the start button, then scroll through till you see the test for the cleaning blade. Press start to run the test.

Let this test run for about an hour then hit the stop button and turn off and restart your printer.
If your printer is printing normally again then the sticky clutch is your problem and you will eventually need to remove it and clean off the old grease and relube it. I recommend a high quality lithium grease.

If your printer does not print correctly again after doing this test, then chances are that your cleaning blade on your imaging unit is bad and the imaging unit will need to be replaced. You can generally find them on ebay for a reasonable price.

This problem applies to both the phaser 560 and 740 models. The imaging units on both these printers are also interchangeable. So if you have a phaser 560 you can use an imaging device from a 740 and vice versa.

Posted on Feb 09, 2009

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Error 32 is caused by a dirty accumulator cleaning blade clutch. To clean it you pretty much have to disassemble the whole printer. The clutch is located under the main board. It is a fairly lengthy process, it took me like 3-4 hours to clean it. There are some instructions on how to do it in the Internet.

Posted on May 26, 2010

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It could be the toner is low on the magenta, yellow, and black or the PCU needs to be replaced.

It does need to be serviced by Xerox to find out specifically what the problem is.

Posted on Jun 11, 2008

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