Lexmark CX931
Turn off the printer.
Open the ADF top cover.
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Remove the separator roller cover.
Remove the used separator roller.
Unpack the new separator roller.
Insert the new separator roller.
Insert the separator roller cover until it clicks into place.
Remove the used separator roller assembly.
Unpack the new separator roller assembly.
Insert the new separator roller assembly until it clicks into place.
Close the ADF top cover.
Turn on the printer.
Changing the tray roller kit can help prevent paper feed problems from happening again.
Clean the ADF roller kit regularly to prevent jams and other paper feed problems.