Paper Size Detection; Mechanism; Switch Pattern - Ricoh B051 Service Manual

Ricoh mfp service manual
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6.10.4 PAPER SIZE DETECTION

Mechanism

[A]: Tray set switch
[B]: Paper size switch
[C]: Paper size switch
[D]: Paper size switch
[E]: Actuator
[F]: Lever
[G]: End fence
The end fence [G] moves the lever [F], which moves a different set of notches on
the actuator [E] into contact with the paper size switches [B]∼[D].
When you put the tray in the main unit, the rear fence of the tray and the actuator
activate the switches; from this the machine detects the presence of the tray, and
the paper size.

Switch Pattern

When the tray is pushed into the machine, the leftmost switch [A] is always
activated by the rear fence of the tray; this switch detects the presence of the tray.
The combination of the other 3 switches [B]∼[D] detects the paper size.
Auto Detection
North America
DLT SEF
LG SEF
A4 SEF
LT SEF
B5 SEF
LT LEF
B5 LEF
(No tray)
* On: Pushed Off: Not pushed
NOTE: 1) For the input check table, ! 5.2.2.
2) Other paper sizes are not detected. Use the System Settings - Tray
Paper Settings - Tray Paper Size user tool to set paper sizes.
SM
CÓPIA NÃO CONTROLADA
[D]
[C]
[B]
[A]
Europe/Asia
A3 SEF
B4 SEF
10.5" x 7.25" SEF
A4 LEF
A5 LEF
6-57
CÓPIA NÃO CONTROLADA
Switch*
[A]
[B]
[C]
On
Off
On
On
On
On
On
On
Off
On
Off
Off
On
Off
Off
On
On
On
On
On
Off
On
Off
On
Off
Off
Off
PAPER FEED
[E]
[F]
[G]
B051D604.WMF
[D]
On
On
Off
Off
On
Off
On
Off
Off
B051/B052

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