Incorrect Black Toner Cartridge Error; Incorrect <Color> Toner Cartridge Error; Tray 1 Media Size Mismatch Error - Lexmark X940e Service Manual

Step
4 Perform a POR.
Does the error remain when the power is turned off/on?
5 Perform a POR.
Does the error remain when the power is turned off/on
again?

Incorrect black toner cartridge error

Step
1 Check the black toner cartridge for correct specification
according to product make and model.
Is the correct specification black toner cartridge installed.
Incorrect <color> toner cartridge error
Step
1 Check the <color> toner cartridge for correct specification
according to product make and model.
Is the correct specification <color> toner cartridge installed.

Tray 1 media size mismatch error

Step
1 Check the media tray assembly 1 side guide.
Is the above component set properly?
2 Check the media tray assembly 1 end guide.
Is the above component set properly?
3 Check the media tray assembly for damage.
Is the above component damaged?
Check
Check
Check
Check
Yes
Replace the upper Problem solved.
printer engine card
assembly.
Go to "Upper
printer engine
card assembly
removal" on
page 4-74.
Replace the RIP Problem solved.
card assembly.
Go to "RIP card
assembly
removal" on
page 4-71.
Yes
Install a new Reinstall the
correct correct
specification black specification black
toner cartridge. toner cartridge.
Yes
Install a new Reinstall the
correct correct
specification specification
<color> toner <color> toner
cartridge. cartridge.
Yes
Go to step 2. Properly set the
media tray
assembly side
guide.
Go to step 3. Properly set the
media tray
assembly end
guide.
Replace the media Go to step 4.
tray assembly.
Diagnostic information
7510-XXX
No
No
No
No
2-185