The MF7420 has paper jams where the paper feeds from the paper holder upwards to the drum/***** unit. When the paper tray is pulled forward there is one sheet of paper slightly inserted to the drum/toner area. I would guess less than 1/2 inch. When I lower the door to access the drum/toner the sheet of paper can't be seen sticking through. I've cleaned the paper handlers on the paper tray and the two black rubber wheels the paper passes by en route to th drum/toner. The problem is worse when 50-75 sheets are in the tray - when it's over 100 it only james half the time. Never had this problem when it was new.
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check the wheels that pick it from the tray. If they feel smooth, try to put some tape on them and rip it back off. This cleans the wheels. Also try a new pack of paper and check if it\'s set to plain paper and not to heavier or coated paper
You may need to check again the error code. According to the manufacturer's checklist for error codes, only the following are documented;
Codes - Toshiba 2860
Paper jam inside machine.
Paper jam near the fuser.
Paper jammed inside machine when power supply is switched on.
Front cover open while copying.
Paper jam near the aligning roller
Paper jam at stacking area in the ADU
Paper feeding jam at the ADU
Manual feeding jam
Paper jam from cassette 1
Paper jam from cassette 2
Paper jam from cassette 3
Paper jam from cassette 4
Paper jam from cassette 5
Paper jam from the LCF
Paper jam in transport route 1 (LCF)
Paper jam in transport route 2 (COPIER)
Paper jam in transport route 3 (ALIGNING)
Paper jam in transport route 4 (PFP)
Original feed jam in ADF
Original transporting jam in ADF
Original exiting jam in ADF
2nd original feeding jam
Paper jam before sorter
Paper jam in sorter
Sorter early arrival jam
Paper in sorter when power is turned on
Joint open jam while copying
Paper jam outside the sorter bin
Abnormal operation of the copier main motor
Abnormal operation of the PFP main motor
Abnormal operation of the ADU main motor
Abnormal operation of the ADU side motor
Abnormal operation of the ADU end motor
Abnormal operation of the upper cassette tray
Abnormal operation of the lower cassette tray
Abnormal operation of the PFP upper cassette tray
Abnormal operation of the PFP middle cassette tray
Abnormal operation of the PFP lower cassette tray
Abnormal operation of the LCF tray
Optics carriage initialize error
Lens initialize error
Mirror initialize error
Faulty exposure lamp
Easy set-up is failed
Developer material exists at the transfer separation adjustment
Faulty thermistor or heater
Sub thermistor is open
Shoulg you not find any of these mentioned error codes, I suggest you contact the tech support especially if the machine is still under warranty.
I have had paper jams in five different places on this machine. It has jammed at the pickup point from the tray, in which case you have to remove the paper tray and pull the jammed paper out. It has jammed at the manual paper feed tray, in which case you just have to pull the jammed paper out of the feed rollers. It has jammed at the toner/drum, in which case you have to open the front cover and pull the toner cartridge out to remove the jam. It has jammed in the back of the machine where the paper feeds through to the output tray, in which case you have to open the small back panel and remove the paper. And it has jammed in the output rollers, in which case you have to reach inside the output tray and remove the paper. Then once the jam is cleared there are times when the machine has to be unplugged for up to 8 hours to reset before it will function properly.
Using a cloth damp with water clean the feed roller. You will see it when you pull out the paper tray. If it starts feeding good it was a feeding prob.. If it keeps doing it look at the leading edge of the jammed paper for any signs of dings or bends. if you find any paper damage look in that area for what is causing the damage.
Thank you, Steven 805-520-3003
if there is paper in the tray..and paper won't feed up after you press print, that mean paper is jam... but for this model, you have to make sure the drum unit is clean as dirty drum unit will cause paper not able to feed,.. suggest clean up the internal part of the printer and test again.. use a slightly wet cloth to clean the feed roller.. too much dust will cause it not to feed properly.
Clear the jammed paper as follows. Observe Cautions signs in printer.
Always remove all paper from the paper tray and straighten the stack when you add new paper. This helps prevent multiple sheets of paper from feeding through the printer at one time and prevents paper jams. 1.Press the cover release button and then open the front cover. 2.Slowly take out the drum unit and toner cartridge assembly. The jammed paper will be pulled out with the drum unit and toner cartridge assembly. 3.Pull the paper tray completely out of the printer. 4.Close the front cover. 5.Pull the jammed paper up and out of the printer. 6.Open the front cover again. 7.Open the back cover. 8.Pull the tabs at the left and right hand sides toward you to open the fuser cover (1). 9.Using both hands, gently pull the jammed paper out of the fuser unit. 10.Close the back cover. 11.Pull the duplex tray completely out of the printer. 12.Pull the the jammed paper out of the printer or the duplex tray. Put the duplex tray back in the printer. 13.Push down the blue lock lever and take the toner cartridge out of the drum unit. Clear the jammed paper if there is any inside the drum unit. 14.Put the toner cartridge back into the drum unit until you hear it lock into place. If you put the cartridge in properly, the blue lock lever will lift automatically. 15.Put the drum unit and toner cartridge assembly back in the printer. 16.Put the paper tray firmly back in the printer. 17.Close the front cover. 18.Make sure that the Paper LED is now off and the printer is ready.
After clearing paper jam if noise persist printer may need a Repair Tech and parts replacement for broken or wore parts.
Theo, remove the drum and paper tray. Disconnect the power source. Carefully reach under paper tray and tray to pull paper out. Sometimes depending upon the unit, you may find a flap inside the drum area, that lifts up.
If you cannot remove the paper jamming unit, you may want to find a plastic folder, which you will need to cut the same size as the paper you are using.
Feed this in buy hand trying to free up the lodged paper.
Most of the time, its a small piece stuck in the left corner.
Have you tried cleaning the paper feed roller(s)? Either soap & water OR isopropyl alchohol with a cotton ball will do, just make sure the rollers are dry before trying to print again, otherwise damage to imaging unit (drum/toner unit) could occurr. If the printer doesn't feed in the first place, the printer thinks it has a jammed paper, thus opening paper tray and front cover resets misfeed/ jam condition. Let me know your progress....Tim
More than likely you have bad feed tires in the tray you're pulling from or if the drum unit is stuck there probably is paper jammed up in the unit. Replace you feed tires and check your drum separation claws when you are able to get the drum unit out.