Ricoh C410DN - Aficio SP Color Laser Printer Hardware Manual page 14

Guide to the Printer
10.
Ventilator
Releases heat from internal components
to prevent overheating. Malfunctions oc-
cur if the vent is blocked or obstructed.
The dustproof filter needs to be replaced
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regularly for proper maintenance.
11.
Front Cover (Z) Open Button
Note
❒ When setting paper larger than A5 K, pull out the paper extender as shown.
For details about the sizes and types of paper that can be used, see p.77 "Paper
and Other Media Supported by This Printer".
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AQC022S