20 Most Recent Oki Printing Solutions C9650 Led Printer Questions & Answers


Color ID up/down error
is detected.
1) Is an Error message displayed?
Confirm that the Y, M, and C ID
units are in position, and reboot

Oki Printing... | Answered on Oct 15, 2018


The shutter protects the density sensors and keeps the windows on the sensors clean, until they wear out. Replace the shutter assy (part number 42755401) and clean the sensor windows.

If this doesn't solve the problem, you may be at the beginning stages of a broken gear for the top cover mechanism that protects the LED printheads when the cover is open. As a test, you can remove the 4 black protective covers from the printheads and see if your machine will calibrate itself. If it does, I recommend leaving the protectors off and just be extra careful of the LED printheads when you change toners...

Oki Printing... | Answered on Mar 03, 2016


try plug out printer reinstall drivers and plug in cable again

Oki Printing... | Answered on Jul 19, 2014


Toner is a Black in cartridge that needs to be replaced once it runs out.

Oki Printing... | Answered on Nov 06, 2013


See page 75 of the attached user manual on how to remove a duplex paper jam. If you can't find a paper jam in the duplexer, simply remove the duplex assembly (power off the printer, then power on) and see if that resolves your issue.

(The printer will operate just fine without the duplex assy. installed)
Okidata C9650 User Manual

Oki Printing... | Answered on Oct 16, 2013


The only ways to reset the count:
1: replace the waste toner bottle with a brand new one.
2: thoroughly clean all the waste toner out of the bottle(requires disassembly and reassembly - making sure you get all the springs and parts back in right)
The waste toner bottle is relatively inexpensive, so I would just recommend doing that. Cleaning out the bottle is extremely messy.

Oki Printing... | Answered on Oct 16, 2013


The top cover mechanism that protects your LED heads has broken gears that operate the protection shields. As a test, you can remove the 4 black shields from the LED printheads and see if the printer now prints correctly. If that fixes it, then I recommend leaving the machine that way as replacing the entire top cover is the solution...very expensive if it is still available to purchase.

Oki Printing... | Answered on Oct 16, 2013


The density sensors are dirty (probably toner on them). This is usually caused by the cleaning blades being worn out on Item #31 on Printer Unit page 2/2 part number 42755401 needs replaced.

Printer Parts Diagram and part numbers

Oki Printing... | Answered on Oct 16, 2013


remove the unit
open the cleaning lamp cover (front of unit)
turn O.P.C drum gear and check that toner is always applied to the developer roller

Oki Printing... | Answered on Jan 28, 2013


I would recommend removing all paper trays and opening any hatches that are not screwed down. With this done please check the machine thoroughly and hopefully you will spot the paper in question.

Please bear in mind that even small scraps of paper stuck in the printer can cause this error if they are covering a key sensor.

Once you are confident the offending paper has been removed just closing all doors and replacing the paper trays should make your printer check for paper again (although some models will require you to indicate the jam has been removed).

Oki Printing... | Answered on Sep 13, 2012

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fix density shutter error sensor

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