When trying to print anything the printer will receive the data start adjusting temp and then the error 391: Paper Jam will pop up. Usually opening the front cover and then closing it will fix the problem and allow the page to be printed but when a new document is sent to the printer it will once again get the error code 391. The rollers are in good shape and the printer is fairly new. There is never any paper jammed it just always gets the error. Any help?
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Hi Try turning the printer off and on. Look through the paper paths and remove any visible stuck papers. Clear any print queues. Solved? Disconnect printer from power for a few minutes and then connect it again.
Inside fixing unit are also thermoswitch and thermistor wich can burn out, but also the fixing lamp too. You must dissasemble it and by DVM test the circuits, if the circuit is opend on thermistor, that means that he is burnd out.
Your paper feder belt has ink on it and will not feed the paper. Remove the rubber belt and clean it good and clean and use compressed air on the printer tray area. If this does not work open the front feeder tray and set your computer to print from it. After about 500 copys it will normally have c leaned itself and be ready to feed from the main roller.
CLEANING THE FEED ROLLER AND THE PAD Clean the feed roller and the pad when [391: Paper Jam] appears frequently. (1) Remove the paper cassette. (2) Clean the feed rollers (large and small) with tightly wrung wet cloth or an LED lens cleaner. Note! An LED lens cleaner is enclosed in an optional replacement toner cartridge. Feed roller (large) Feed roller (small) (3) Clean the pad on the paper cassette with tightly wrung wet cloth or an LED lens cleaner. Note! • If [392: Paper Jam] appears frequently, clean the second tray (option) in the same way. • If [390: Check MP Tray] appears frequently, clean the feed roller of the multi-purpose tray in the same way. Pad
I have a similar but different model B4300. Several others, & I have found that a small piece of paper 1/2 square may lodge under a plastic guide, holding open a switch. This is very difficult to notice if you don't know where to look.
Open top lid
Remove the ink cartridge/roller drum as a single unit.
Look in the printer at the metal roller in front.
A Plastic strip on top & in front of the roller covers 2 square holes which should look dark. On your LEFT, as you face the unit, there is a small magnetic switch, to the LEFT of the LEFT square hole, under the plastic.
In my case, the paper was seen as white in the hole, and extended under the switch. I was able to grasp it with a small medical forceps, next to the switch. By gently twisting, I pulled it out without taking the unit apart.
The printer then worked perfectly after the paper under the switch was removed.