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Remove and reinstall your bridge unit. you may find a faulty connection

Also remove the wire ties for middle feed clutch.

10871087 enters service mode. 163 resets fuser errors. If code returns then replace fuser.

Use modes 21 & 24. Sets to factory settings.

Disconnect the network cable. Then restart.

It also happens with chrome. If you can get to the status screen before the error you may be able to identify the offender

An active network drop must be plugged in to view network settings on reports.

Remove the glass and clean optics. This should be the fix.

If you get an error 74-- for example. Just swap the chip between the old and new. It will work like a champ.

You can view the info in command center then print screen. The address book can be saved as a CSV file using netviewer then imported onto excel then printed.

Sometimes very bright lights above the DF will cause it to read wrong paper sizes. Try it with the lights off. I have encountered this many times over the years. Usually happens after replacing light...

Swap feed units 1 and 2 to see if problem follows.

This happens when the df sees the original as another size such as 11x17. This can be caused by very bright overhead lighting or sun light thru a window at a certain time of day. Place a doc in df...

I have also had the drum drive assy fail.

Make sure the screw is in the drum. I left it off once and got similar results. The screw that holds the drum assy in place.

Firmware related error. Try reloading firmware m

There is new firmware available specifically for this problem.

Do a mode 917 backup. Then format Hd. Restore ,then if doesn't work replaced hd.

Depends on the model. It will need to be hypas capable. Then a hypes apart needs to be installed.

If machine firmware is not current it may give wrong error codes.

This is a common problem with aftermarket toner. I noticed that the developer hasn't been replaced. It still has the suspect toner in it prior to tonerreplacment. Different brands of toners don't mix...

Mode 21 should reset copier to factory defaults. Including network settings.

See attachment.

Many of the service modes are not available on the fs models. You ment 10871087 .

Look carefully behind the cassettes and horizontal tray for trapped paper. It will be stuck in the upper left corner. It is easy to miss. You can remove #3 feed unit to get to it if your arms are...