deskjet 845 not grabbing paper (not a dry roller prob)

  • Thread starter Thread starter xamman
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xamman

hi ppl, examining the printer paper feed operation with rear cover off
(19Kb)
i can see paper is not being grabbed. it doesnt appear to be a dry
rubber problem. more of the paper is being stopped by tabs (green
arrows) and rolling bushes (red arrows).

any ideas on what could be wrong? i have just bought new ink cartridges
so i would like to keep this printer.
thanks

http://www.geocities.com/xamman19/arrowed_sm.JPG
 
tried adding more paper. now at 1cm of paper in tray the printer
can grab a sheet each time.

i closed the rear (as otherwise the paper would just be ejected out the

back) and did some test prints. however i am noticing each page is
emerging with the front end bent at the right
(photo 13kb below) . what does this suggest to you?

thx

http://www.geocities.com/xamman19/bent.JPG
 
Hi!
what does this suggest to you?
Click to expand...

I look at that and see a printer that has done a *lot* of printing. I would
wonder if there's paper stuck somewhere that it doesn't belong--possibly
from a previous paper jam that was difficult to remove or something.
Cleaning out all that paper dust might help.

Whatever the case, something in the printer is definitely "snagging" the
paper. And...I would *not* rule out the rollers playing into the problem on
any high-mileage DeskJet printer.

William
 
i think its the green arrowed tabs that have somethingto do with the
probelm

their job appears (?) to be to push back any unused paper away from the
rollers after a page has been pulled intot the printer.

does this sound right? they dont fel like they are connected to
anything. if operated by hand they just flap around.

also how does one proceed to open a 800 series Deskjet. was the metal
bottom assembled just thru snap fit?

thx
 
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