LIB242 no longer wrinkles paper, but needs additional parts. On the chance that it locks down, it is possible to reset the error and continue using the printer until the parts are installed.
Procedure:
If panel is not lit, turn power off and on.
‘(additional functions) *’ button – ‘2’ & ‘8’ simultaneously – then ‘*’ button again
Copier button
Functions button
Clear button
Err button
OK button
Clear once or twice until panel returns to normal
note – Be sure to hit the right buttons – and be sure they register being pressed.