Non-printed side of the page is dirty.
Toner may have spilled in the paper feed path. Turn off the
printer. Remove the Imaging Cartridge and then clean the paper
path of the printer using a clean, soft, lint-free cloth.
c
Caution:
Opening the printer exposes the fuser, which is marked by a
CAUTION Hot Surface Avoid Contact label. Be careful not to
touch the fuser.
Memory problems
Mem Overflow
This message indicates that you need to simplify the page you are
trying to print, change your memory allocation, or add more
memory to your printer.
Try simplifying your page by reducing the number or size of fonts
or the number or size of graphics, or both.
Image Optimum
The printer cannot print at the requested quality level because of
insufficient memory, and the printer reduces the quality
automatically so that the printer can continue printing. Check to
see if the printout is acceptable. If not, add more memory for a
permanent solution or set Print Quality to 300 dpi and Page
Protect to OFF temporarily in the printer driver.
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Troubleshooting and Maintenance