Error: syntaxerror offending command: stack: 569 15288 6

SOURCE: Ricoh printer printing error: undefined offending command: mz

it is a logic card problem. so pls checked it from service center.

SOURCE: A sheet prints sometimes with

This is a Postscript error. You may be using a Postscript driver on the printer. Or else you are printing PDFs which are not true Postscript. likely made by a postscript "compatible" software.

Try loading a PCL driver for the printer. This will work just as well if not better than a postscript driver. You may find it faster.

Check lexmark website under support andd downloads for an alternative driver for the printer, also considering your operating system.

If you are printing PDFs or postscript files, the PCL driver may help there also.

SOURCE: When I try to print

Hi, From what I can make out, you have a corrupted font. The 'true cvt 0fpgm glyf' part refers to a true type thingie The /sfnts is a Mac-speak for system font.
Try the Mac forums for the font issues. Good luck.