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Re: timing, jams or prints off bottom of page
Try these steps.
Print transfer jams
1. If a piece of paper is trapped in the paper preheater, try pushing out the paper by
inserting a stiff piece of cardstock into the paper preheater.
2. Using diagnostics, test the paper preheater sensors. If the test fails, replace the
paper/drum heater assembly.
3. Check to see if the upper feed roller drive belt is broken or slipped off of its pulleys. In
such a case, the upper feed roller does not rotate when the lower feed roller rotates.
4. Check that the feed rollers rotate smoothly and that the front cover is fully closed and
5. Check the paper-eject path for obstructions. Ensure no small pieces of paper are
trapped around the stripper fingers or rapid release guide.
6. Ensure that the transfix roller rotates during the transfix process. See SF168 and
7. Test the sensors in the paper path. Look for damaged or non-operating sensor flags.
8. Check the transfix solenoid and its cam. Ensure they operate correctly and are properly
lubricated. If lubrication is needed, apply a dab of grease to the contact point between
the cam and the latch and the cam and the cam-advanced spring. Refer to
"Lubrication" on page 6-177.
9. A stripper finger, or rapid release guide, jam can occur because of broken teeth on the
small section of the back-side of the compound gear. The root cause of this may be also
be due to a lack of transfix cam grease. If you find broken teeth on the compound gear,
check for proper lubrication of the transfix cam. Be careful to ensure that no grease
touches the Y-axis belts. If the belts get contaminated with grease they must be
replaced. wipe off any excess grease to prevent it from dripping onto the belts.
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That model has a problem with the exit sensor, it gives false jam errors. It is in the upper left side above the fuser. The part number is 0604-001393 and I believe www.precisionroller.com has the part.
You manually rotated the aluminum drum? Since you did that, I would suspect you have the print head wiper blade stuck between the drum and print head. The code you are getting it caused by the print head not being able to move freely. The jamming is probably due to a bad registration clutch. Common failure on that machine. You can go to Xerox.com, there is under documentation and drivers a parts list for that machine. You can reference the wiper blade and get the clutch part number there. Let me know what other information you may need. I will be glad to help you get it running again.
Normaly when you get this problem it means that you need to replace the feed rollers in that tray.
Rollers: Replace the rollers when you see any of the following defects:
Out of roundness
Loss of traction (tackiness) causing pick or feed failures.
Xerox paper pick roller
Part # 401-0882-00
Hope this helps
If I remember correctly, disconnect the print cable, then reboot the machine. I saw that problem once and its been a while, but I do believe thats how I finally got it to stop. Then clear out the print queue.
Ok if the paper is half way coming out, Two things could be happening. 1.) Either your paper feed tires are Slipping and haven't reached the outpit bin sensor in time. 2.) second problem could be is that the fuser film is worn and is not fuser correctly and needs to be replaced.
SOund more to me like you have worn out feed wheels. They are slipping when trying to feed, therefore you get a paper jam indication, but no paper has been fed. Check the feed roller texture. If it is slick replace the roller.
I will state that first. You could have a sticking sensor, but that is less likely if you say it feeds paper.
The second most likely problem is the paper feed or paper registration clutch failing. Those are electromechanical clutches that are located on the loerf front section of the frame. You would need to remove the left side cover ( looking from the front). The clutches are round and silver, about an inch and a half thick with black gears on them. If the clutch faces are slipping, the rolllers will not drive and result in a jam.
The more I think about what your describing, the more I believe one of your clutches is bad.
. Switch off the
printer and disconnect the power supply. Allow any residual charge
inside the all-in-one printer to dissipate before putting your hands or
any metal tools inside the chassis.
2. Pin down the exact
location of the jam. The 3 hot spots for a jam are before a sheet
completely leaves the paper tray, anywhere between the feed tray and
print carriage or between the print carriage and output tray.
3. Take off the front
paper tray if the sheet jammed while still in the front area of the
printer. If here, you should be able to see most of the paper.
4. Pull the sheet with
both hands and steady pressure. Do not tug as you might rip the paper,
leaving a piece deeper inside the machine.
5. Open the back panel to reach paper jammed between the feed-tray area and print carriage. Carefully remove the jammed paper.
6. Use the carriage
access door to get at a jam further inside the printer. You may need to
remove the print carriage to get to the jam.
7. Replace all parts and
return any access panels to their closed and locked positions. Plug
your printer back in and flip the power switch.
Maybe if you hold down the cycle button and let it run through a "test cycle" to receive a printer data sheet it might clear the internal buffer or whatever you call that short term memory these printers have. Let us know. JP