Question about Canon PC-940 Black and White Copier

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Dirty Copies and Black Line in Middle

My copies are coming out really dirty with a black line in the middle (horizontal).

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  • A GIESEKE Feb 09, 2009

    OUR COPIES ON OUR CANON 940 HAVE A BLACK LINE ON THEM, WHAT DO I DO OR CLEAN

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Change the toner cartridge, if you have already done this and the copies are still dirty, clean the mirrors under the glass.

Posted on Mar 16, 2009

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The electrostatic drum probubly whent out if it was a cheap copier get a new one if it was expensive have it serviced or replace the drum yourself

Posted on Jan 22, 2009

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Posted on Jan 02, 2017

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Dear sir,good day, during copying two blank(white) column detected on paper .can u help us ?


I do not know your product .any way this two blank lines means :-
1-the charge roller is not clean .
2- the corrona wire is dirty
3-first of all the glasses should be cleaned.
i hope thats help

Jan 13, 2017 | Office Equipment & Supplies

1 Answer

B&w/gray Scanning Is Okay But Color Scanning Problem


Run ink head cleaner routine. If you cannot the list make and model of printer. Thanks.

Dec 25, 2014 | Office Equipment & Supplies

1 Answer

Why is print quality poor after inserting new ink. Copies are faint and have lines


the cartridge is clogged with ink that has dried and reduced the slit. you need to replace the cartridge with a new one. it happens usually if you recharge the cartridge 3 or 4 times with compatible ink.

May 07, 2014 | Office Equipment & Supplies

1 Answer

Colour cyan not printing


Did all of the packaging come off the toner successfullywhen first installing. Can you see cyan toner on the transfer roller? (Black roller on actusl cartridge)?

Dec 08, 2013 | Office Equipment & Supplies

2 Answers

LSU error SAMSUNG SCX 4725FN


Laser Scanner Unit or LSU is what writes to the surface of the drum. The glass above the cartridge in the machine may be dirty. The mirror motor in the LSU could be bad or needs to be cleaned to spin better. The Laser diode may be faulty.

This is not a user-serviceable issue. You will need to contact Samsung for a service. You can do it online via Samsung website or contact the vendor to see who will they appoint to service the printer to, especially if it is still under warranty.

Jan 27, 2011 | Samsung SCX-4725 Laser Printer

1 Answer

My fax wont work in my ricoh aficio 1515 mf??


Using the 1515 as a fax machine is a pretty simple procedure if everything works right. All you have to do is hook a working phone line up to the phone jack on the back of the copier (the one labeled LINE, not TEL).

Why won't the fax work? If it is giving you an error message, what is the message?

If you are not getting a dial tone when faxing, unplug the fax from the phone line and plug a working phone in, and see if the phone gets a dial tone. If it doesn't, there is a problem with your phone line.

You can also try plugging the fax machine into another phone line. If the fax works on that line, then there may be a problem with the first line.

Are you having problems sending faxes or receiving them, or both?

Jan 05, 2010 | Office Equipment & Supplies

2 Answers

Okidata Microline 30 Turbo dot matrix


The problem your having is a spacer motor. It's located under the carriage that holds the ribbon/printhead. The part number is 56513701. Available at Seattle Platen - Dale 1800-221-2388.

Here's a free copy of the Okidata 320T service manual that will walk you through testing and verfying before ordering the replacement part.

If this helped you, please hit me up with a FIXYA. Thanks.

http://www.feedroller.com/Store/Service%20Manual/SER320T.PDF

Aug 30, 2008 | OKI MICROLINE 320 Turbo Matrix Printer

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