Dell 2335dn - Multifunction Monochrome Laser Printer B/W User Manual page 11

complete following steps.
1. Select a stable location.
Select a level, stable place with adequate space for air
circulation. Allow extra space to open covers and trays.
The area should be well-ventilated and away from direct
sunlight or sources of heat, cold, and humidity. Do not set
the machine close to the edge of your desk or table.
Place the machine on a flat, stable surface so that there is
no incline greater than 2 mm (0.08 inch). Otherwise,
printing quality may be affected.
2. Unpack the machine and check all the enclosed items.
3. Remove the tape holding the machine tightly.
4. Install both the print cartridge.
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