Raw & Post Processing, Printing > Printing: Printers, Papers and Inks
Epson 7900 from the inside - out
jayfox:
Hi everyone. I'm new here.
Please excuse if I ask any questions which have been answered already in other posts or threads I couldn't find after some searching here.
I came here because I found Erics report on his Epson 7900.
I have an Epson 4900, three years old. It had the "usual" clogs after little more than one year, and I was able to persuade Epson to exchange the printhead on guarantee. The printer worked quite well, but a couple of days ago, the clogs appeared again and the printhaed finally died:
At first, I got the error massage "Call for Servive Code 131B", which disappeared after turning off and on the printer again. However, the black and subsequently the LK lost more and more dots with every try.
Then, finally, the printer turned to the error message "fatal error 1A39" and stopped working.
I changed the printhead - after having found Erics thread here and his great video on replacing the printhaed in his 7900. Thanks a lot!
Changing the printhead wasn't too difficult. I did an ink eject twive, then started to replace the head, and everything worked well. Or, nearly so - at first. Then...
The puzzling thing is: The printer works, and after two or three normal cleanings and an exchange of the almost empty MK cartridge, the nozzle test was ecellent, no missing dots.
I changed to PK, and there was no black at all. Changing back to MK: no black. The LK had some spaces in the nozzle check but finally came back.
After reading through this thread and some other posts, I'm wondering whether its the damper unit. Any ideas?
jayfox:
Update: I did a LC3 cleaning using the service programm for the black and LC. That did work, the black is back. Maybe there were some air bubbles in the printhead?
I cannot change the black ink at the moment, because the waste ink tank is full. Will get a new one tomorrow. Cross fingers.
prexpurdy7:
I am new here
I AM GETTING AN ERROR MESSAGE 1489
on my epson 9900
i see it is a wiper blade problem
can i fix it my self??
audiodoc:
Yes.Look here.
https://myx900.com/clean-your-wiper/
purchase here:
https://compassmicro.com/
Very easy!
dod488:
I need to reseat the print head cables on my 7900. My issue is that I've got the "Call for Service - error 1a37" message on the lcd. I need to open the ink cover doors to release pressure. But the error message keeps the door release button from functioning. I don't know how to clear the error msg. Alternatively, if there some other way to open the ink covers that would work too.
Suggestions? Thanks very much. Need to print for a show coming up. Argh!
Thanks again, Hal Work
https://dod488.wordpress.com
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