Lexmark 637, CX510DE manual Option problems, Cannot detect internal option, Troubleshooting 276

Troubleshooting			276
	Action	Yes	No
	Step 11	Go to step 12.	Install the correct
	Check the installed printer driver.		printer driver.
	Is the correct printer driver installed?
	Step 12	The problem is solved.	Contact customer
	Turn off the printer, then wait for about 10 seconds, and then turn the		support.
	printer back on.
	Is the printer working?
Option problems
Cannot detect internal option
	Action	Yes	No
	Step 1	The problem is solved.	Go to step 2.

Turn off the printer, then wait for about 10 seconds, and then turn on the printer.

Does the internal option operate correctly?
Step 2		Go to step 3.	Connect the internal
Check if the internal option is properly installed in the controller board.			option to the controller
a	Turn off the printer using the power switch, and then unplug the power		board.
	cord from the electrical outlet.
b	Make sure the internal option is installed in the appropriate connector
	in the controller board.
c	Connect the power cord to the printer, then to a properly grounded
	electrical outlet, and then turn on the printer.
Is the internal option properly installed in the controller board?
Step 3		Go to step 4.	Reinstall the internal
Print a menu settings page, and then check to see if the internal option is			option.
listed in the Installed Features list.
Is the internal option listed in the menu settings page?
Step 4		The problem is solved.	Contact customer
a	Check if the internal option is selected.		support.
	It may be necessary to manually add the internal option in the printer
	driver to make it available for print jobs. For more information, see
	“Updating available options in the printer driver” on page 38.

bResend the print job.

Does the internal option operate correctly?