Panasonic DP-C106 - Manual (Page 45)

Setting Up the DP-C106 Printer Installation
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d. Align the arrow visible on the top of the cartridge with the Red Dot
sticker on the chamber (located at 11 o’clock position), insert the
cartridge into the Printer as far as it will go.
e. Use the handle on the end of the cartridge to rotate the cartridge in
the direction of the arrow. Ensure that the dot on the cartridge is
aligned with the Locked symbol as shown.
CAUTION
Ensure that the cartridge is in the Locked position. If the cartridge is NOT in
the Locked position, Toner can spill into the Printer.