This machine easily when printing paper, paperboard is sometimes turned on, sometimes print a paper jam protracted war more than a dozen. 4Jdservice manual download site
 4Jdservice manual download site
Careful observation, found that if the paper forward, there will be no card, as long as the upward out of paper, paper will occur. Printer appears general component is the part of the paper the paper card, the fixing paper, developing paperboard, paper into the paper. 4Jdservice manual download site
 4Jdservice manual download site
The failure phenomenon belongs to the paper card, namely paperboard is caused by a paper component aging. Under normal circumstances, when the paper went to the place, with a smooth delivery guide roller. But for some reason, on one side of the paper is derived, and went on in the paper, while the other side is blocked, stop the feeding. Like this, when the printer continuous paper, paper is folded together unable to export, the printer alarm, stop printing. 4Jdservice manual download site
 4Jdservice manual download site
 4Jdservice manual download site
Look carefully printers fixing component mechanical part, found that after fixing the position of the separation of claw a foreign body, just in the paper. Which can judge the machine the paper card it is for this reason. Analysis of foreign body should be fall off, but not completely from the separation of claw, so will appear from time to time have problems from time to time there is no problem. 4Jdservice manual download site
 4Jdservice manual download site
Solution: teardown, remove the fixing component of the separation of components, the paper found a separation of five claws, and there is also a loss, the remaining three intact. Because the machine have been listed in 67, accessories can't order, but do not use the separation claw back on and will cause the paper to the upper fuser roller involved, the emergence of a new paper in the end. Then adopt the method of emergency, the damage of separation claw off no, separation of the three remaining claw according to the position of the 1, 3, 5, empty position of 2, 4, and in this way, can still have the effect of the separation paper separation claw.

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