Question about HP 640 Inkjet Fax Machine
The machine will print and copy, but it will miss some areas of the material printing and it will have missing ink in those areas. I just put a new ink in the machine, after taking another new ink cartridge out thinking it was the ink. I cleaned the cartridge through the machine I ran test and still missing spots when printing and copying.
Still sounds like a bad ink cartridge, try cleaning the bottom of the cartridge with a Kleenex and soapy water. Dry it off real good.
Look where the cartridge sits and clean the same way.
Ink jets are dead technology.
Posted on Nov 11, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
Dec 16, 2014 | Canon PIXMA MX340 Inkjet Multifunction...
<Fax sending or copy operation in
Do one of the following:
- Press [Start] key to send or copy the
- Press [Stop/Exit] key and wait until
the other operations in progress finish
and then try again.
- Clear the data from the memory.
<Printing operation in process>
Do one of the following:
- Reduce print resolution.
- Clear the faxes from the memory.
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Have you tried both drum and toner supplies? cause it sounds like a drum fault, if you have tried a new drum and toner, and it is doing it when printing internal reports, receiving fax's and copying then you have a tecnical issue to do with charge and this would likely render machine unecomical to repair (unless you can find a bad contact with drum on machine). If it receives faxs clearly but copys black then it is different issue (ie optics).
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Feb 08, 2014 | HP 640 Inkjet Fax Machine
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