XS658de DF Skew

[bryand]

I have found if you print the registration page from diagnostics mode it is skewed as well. Actually not really skew but the image is trapezoid . I have tried all the engine,scanner and df adjustments with no improvement.
It is really noticeable if the customer prints something then scans it.

[EarthKmTech]

I have found if you print the registration page from diagnostics mode it is skewed as well. Actually not really skew but the image is trapezoid . I have tried all the engine,scanner and df adjustments with no improvement.
It is really noticeable if the customer prints something then scans it.

That'll be the printhead skew mechanical adjustment. And thats an asbsolute nightmare to access too, just check out how many steps are involved in the service manual.

RE 900 firmware errors, they are like clockwork when you use fax forwarding to email, ftp etc.. Lexmark have for us released atleast half a dozen special firmware releases in attempt to fix it but it still happens. Atleast once a fortnight we have to go out to the customers that still have these P.O.S machines, reboot, let it run disk repair, then turn off fax forwarding, print off the faxes then turn it back on again. If you dont, it loops every 3 minutes after the disk repair into a 900 error as it "restores jobs" and attempts to forward "corrupt" fax(es). We have tried replacement boards, hard drives etc, countless firmware releases and nothing has ever fixed it. We dumped lexmark like the turd that they are.

I still have an optra-s 1255 personal printer from the 90s thats still working, clearly they used to make decent machines. What ever happend i do not know.

[scoobysteve]

Hi all,

I just want to confirm that i have this exact problem. the machine has been in the field for about 8mths now however i think the clients have only really just noticed it.

Anyhow, i've done all of those screw DF plate adjustments but it does not work. As Bryand stated, when i do a quick test registration print, my image is skewed slighlty but is also the image is in a trapezoid shape (the skew is a "positive" skew meaning bottom corner of Left hand margin is closer to the edge however the right side of the bottom margin is also further away from the bottom edge of the paper).

When i scan this back the skew and trapezoid is very visable - the copies are worse as a skewed and trapezoid original image is magnified.

I really dont want to do the printhead adjustment cause as PerthKMTech has stated, it is a nightmare.

Anyhow, i'm assuming there is no fix for this? I'm currently waiting on Lexmark level 2 tech support on this. In the meantime if anyone can shed some light it would be much appreciated. thanks in advance.

[landspeeder]

Its never been fixed......from what I understand! We have 3 out there still and try to ignore them as much as possible!!

[bryand]

Lexmark knows that skew is an issue on these boxes. The machines manufactured in the last 12 months are better when copying off the glass or through the df. The engine skew is still present so if you print something then copy or scan it the skew is very noticeable.

[scoobysteve]

what causes the trapezoid image? I think this makes the skew look a lot worse than what it really is.

In my case i have found the top of the left margin and the top of the bottom left margin is only 1 mm in difference from the left edge of the paper - which is almost impossible to notice to the naked eye however because the image is trapezoid, the image looks all warped.

i'm currently asking tech support on what is causing this trapezoid image? Surely it cant be a printhead out of position?