Paper Near-End/End Detection; Paper Near End Detection; Paper End Detection - Ricoh G104 Service Manual

DETAILED DESCRIPTIONS

2.2.3 PAPER NEAR-END/END DETECTION

[B]
[D]
[C]

Paper near end detection

• Two paper near-end sensors [A], [B] detect the quantity of remaining paper in the
tray.
• When the quantity of paper decreases, the bottom plate pressure lever [C]
moves up and the actuator [D] turns.
• The machine detects the quantity of remaining paper with the outputs from the
paper near-end sensors, as shown in the table below.
Remaining paper
Full ~ 450
450 ~ 250
250 ~ 50
50 ~ 0
OFF: No actuator

Paper end detection

• When the paper tray is empty, the paper end feeler [E] falls into the hole in the
bottom plate and the paper end sensor [F] turns on.
G392
CÓPIA NÃO CONTROLADA
G392D104.WMF
Near end sensor 1 [A]
ON
ON
OFF
OFF
10
CÓPIA NÃO CONTROLADA
[F]
[E]
[A]
Near end sensor 2 [B]
OFF
ON
ON
OFF
SM