Lexmark x646e error 298.02 scanner missing, cable unplugged.

First try to Reset the scanner and computer:
1.
Turn off the scanner power.
2.
Unplug the USB cable and power from
the scanner.
3.
Reboot (restart) the computer.
4.
Plug the USB cable and power cable
back into the scanner.
5.
Turn the scanner back on.

Open the copier carefully, check for disconnections, corrosion or rat destruction, remedy.

X646e - 298.02 Scanner cable missing
The ICC card and/or Motor Driver Card has failed.
ICC - 40X0485
Motor Driver Card - 40X0486

ICC is located in the rear of the flatbed assy. Motor Driver card is in the rear of the ADF Assy.

Turn off printer.
Begin by unplugging ALL exterior peripheral cables that plug into scanner and printer base. Pay close attention to all pins on these cables and ensure none are bent.
Put all cables back carefully ensuring to properly seat them.
Turn printer back on.
If error returns, then you would need to then check all connections on Scanner Controller Card inside scanner.
Could be this card and/or cables, or RIP(system board).

I have the same issue, It just means to update the firmware. so far, i haven't got it to work after the firmware update. I laready replaced mainboard and scanner control board. lexmarp suggest to replaced the whole flatbed scanner.

A 298.01 or 298.02 Scanner Missing error is generally caused by one of the scanner cables being loose or unplugged. Please check this article on how to troubleshoot the issue: http://bit.ly/N1QLen

Excellent document on how to fix this error here: http://blog.forret.com/2006/02/lexmark-printers-with-hardware-error-0502/

Please rate this solution, thanks!

hi

here is what i have found -- follow to all instructions accordingly
although its for another model, these isntructions apply according t their techsupport i spoke with


.Power off the All-In-One (AIO) and remove the power supply from the back of the unit. Wait 30 seconds. Then reinsert the power supply and power the AIO on.
Did the error message return?

Yes: Continue to step 2.
No: Attempt a test scan. If the error message does not reappear, the error is resolved.

2.
Power off the AIO and remove the power supply from the back of the unit. Open the scanner cover. Check the scanner glass for cracks and the scanner casing for cracks. Close the scanner lid. Open the top cover of the AIO. Using the carrier belt, move the cartridge carrier to the middle of the unit. Remove both cartridges, close the top cover, reinsert the power supply, and power the AIO on.
Did the error message return?

Yes: Continue to Contacting Lexmark.
No: Continue to step 3.

3.
Power off the AIO and remove the power supply from the back of the unit. Open the top cover of the AIO. Using the carrier belt, move the cartridge carrier to the middle of the unit. Insert the color cartridge, close the top cover, reinsert the power supply, and power on the AIO.
Did the error message return?

Yes: Repeat step 3 with another color cartridge. If the printer fails again, continue to step 4.
No: Repeat step 3 and install the black/photo cartridge. If both cartridges are installed, attempt a test scan. If the error message does not reappear, the error is resolved.

4.
Power off the AIO and remove the power supply from the back of the unit. Open the top cover of the AIO. Using the carrier belt, move the cartridge carrier to the middle of the unit. Remove the color cartridge and insert the black/photo cartridge. Then close the top cover, reinsert the power supply, and power the AIO on.
Did the error message return?

Yes: Repeat step 4 with another black/photo cartridge. If the printer fails again, continue to Contacting Lexmark.
No: Install the color cartridge. If the printer fails, continue to Contacting Lexmark. If the error message does not appear with both cartridges installed, attempt a test scan. If the error message does not reappear, the error is resolved.

here is where i found the error http://support.lexmark.com/index?page=answers&startover=y&locale=en&userlocale=EN_US&question=2200 error#1

hope this helps -- God's speed

Turn the machine off unplug the power cord from it and leave disconnected for 10 mins.
Power back on if error still is present..
Power off again disconnect whatever cables are plugged in (Network cable/ USB) power back on if error error goes away with the cable(s) disconnected replace the usb/cat5 cable(s)
once that's done and the error is still present the system board will need to be replaced.

Hi,
Please click on the below link or copy the URL and paste it in your web browser. Follow the steps..
http://support.lexmark.com/perl/support/support.cgi?ccs=229:1:0:93:0:0&docid=ENUS547
OR

If you are getting any type of 'CLEAR SYSTEM ERROR' on the LCD screen of the printer, please follow these steps:
1) Remove the power cable for 2 minutes and the USB cable from behind the printer.
2) Press and hold down the stop clear button and reconnect the power cable back to printer.
3) The printer LCD screen should clear the memory error.
4) If the same error message persist on the LCD screen, please follow the instructions below.
5) Unplug the power cable for 2 minutes and USB cables from behind the printer and open the printer cover and remove both ink carts.
6) Repeat step 2 and Install both cartridges then the screen will display Cartridge's clean, press start.

Thank you........