Lexmark C792 Family, Service Manual

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Diagnostic aids
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Step 5: Fuse
Once the image has been fully transferred to the paper, the transfer roll helps move the paper into the fuser
area.
The fuser applies heat and pressure to the page to melt the toner particles and bond them permanently to the
paper. The fuser moves the paper to the redrive rolls which move the paper to the output bin.
Service tips
•
If the fuser rollers are damaged, they can cause toner to be pulled off the page or cause paper jams.
•
Toner that rubs off a printed page can be a sign of a malfunctioning fuser or an improper paper
setting. Always check the paper type setting before replacing the fuser. A common mistake is to print
on heavier media (such as cardstock) with the paper type set to plain paper.
•
When removing paper jams from the fuser, be sure to use the fuser release tabs to relieve the
pressure on the page. In addition, never pull unfused toner through the fuser if you can help it; try to
back the jammed page out of the fuser in the opposite direction it was travelling.