Apple Color LaserWriter 12/600 PS - Manual (Page 159)

This appendix provides solutions to problems you may have with the printer.
For more troubleshooting tips, see Chapters 12 and 13 of the Color
LaserWriter 12/600 PS User’s Manual.
Note: For easier troubleshooting, it’s a good idea to turn off background
printing.
General printing problems
The printer jams when printing on transparencies.
If your printer jams when trying to print on transparencies, try these steps:
m Use only Apple Color LaserWriter Transparencies (Apple part number
M3876G/A for letter-size transparencies and Apple part number
M3877G/A for A4-size transparencies). The printer is designed to accept
only these transparencies. Using other brands of transparencies could
damage your printer.
m If you are using Apple Color LaserWriter Transparencies, be sure to use the
multipurpose tray to load transparencies. Loading transparencies in either
the standard paper tray or the optional paper tray can cause paper jams.
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Appendix B
Troubleshooting