Hello, We had a paper jam in our OKI B4100. Now, the thing will only print face up in the rear output tray. We hate this, as we have to clean the tray out every 50 sheets.
How do we get the thing back to printing face down in the front tray? There is no option for tray output, only tray input -- I've scoured the internet and I've scoured people's problems with this printer. I've gotten NOTHING.
Please help. This printer has a mind of its own. - Jayne, a transcriptionist.
If your oki is like the 4300 we use it may be as simple as making sure the extention for the back tray (where the paper is printing to now) is pushed all the way in. This actually selects the tray option. If this tray extention is pulled out at all, your printer will print to the back tray.
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If the paper output tray is pulled out at the bak then paper will exit through the back (face up). If you push this tray down then paper will exit out the top and lie face down on top of the printer. The tray that pulls out of the front of the printer is a input tray only and cannot be used to output any pages.
The JAM DUPLEX message appears if you remove a sheet of paper from
the face down output tray after only one side has printed.
The paper sizes you can use with the duplex printing function
are A4, Letter or Legal. If the paper adjustment lever for duplex printing is not set
correctly for the paper size, paper jams may occur and the printing will
be out of position on the page.
back output tray. Use both
hands to slowly pull the jammed paper out of the fuser unit.
the back output tray. If the paper jam cannot be cleared, go to the next step. Pull the
duplex tray and paper tray out of the printer. Pull the
jammed paper out of the printer Put the
duplex tray and paper tray back in the printer.
Click solved and vote if problem is solved. Otherwise post again
Acording your explained you need do
1) clean the input tray roller surface, to make sure it has enough grip force.
2) looking for a sensor around the roller rear, it could be cause the paper jam there, because if the sensor does not detect any input paper go throug there then should be stoped at roller rear.
3) if you find a optical sensor there, please use a slft cotton stick to clean its surface. (maybe open some cover needed)
hope you fix it , ask me any time please!
As i can understand whenever you try to print with rear door closed printed page should come on top from top output roller however paper gets jammed.
Try to print a page using rear door open and it should come out from the rear drop down tray it printed page comes out successfully with rear flap open than paper gets jammed at top due to faulty top output roller.
However if the paper gets jammed at fuser with rear door closed than it is issue with fuser in that case you need to get fuser replaced at the same time replace 20 tooth gear next to fuser.
As per this excerpt from the Oki B4350 User manual:
"FACE UP AND FACE DOWN PRINTING For face down printing, make sure the rear paper exit tray is closed (the paper exits from the top of the printer). The paper exit bin on the top of the printer stacks printed pages face down, capacity 150 sheets of 20 lb. paper. Pages printed in reading order (page 1 first) will be sorted in reading order (last page on top, facing down).
For face up printing, make sure the face up rear paper exit tray is open and the paper guide is extended if required. In this condition, paper will exit via this path, regardless of driver settings. Paper is stacked in reverse order, capacity 50 sheets of 20 lb. paper.
Always use this tray and the manual feed tray for heavyweight stocks to reduce the possibility of paper jams."
This manual is available at http://my.okidata.com/mandown.nsf/(MOC-B4350)/BE70FCAF93D577E285256E89005052F9?OpenDocument
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.