Originally Posted by
Iowatech
Well, there might be a jam in that area somewhere. Shine a flashlight into the machine from the paper supply side of the machine and check if there is anything there. Depending on the machine's print count it could be a good idea to make sure the mylar guide is OK while doing that.
Maybe after removing the drum from the machine, shoot a good blast of air in through the feed guides as well, I wouldn't be surprised if a build up of paper dust was affecting the sensors in that area too. That's where the signal is generated to activate the pressure hook solenoid.
Speaking of the machine's print count, is there any chance you could let us know that machine's print or copy count? I still have a sneaking suspicion the solenoid's wiring is the culprit, but the GR3770 improved the structural integrity of the wiring over previous versions of that chassis, so there's a very good chance I am wrong and worthy of mocking if the count is too low. Thanks!
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