Paper Size Detection - Ricoh LCIT RT5000 Service Manual

DETAILED DESCRIPTIONS

2.3 PAPER SIZE DETECTION

A4-LEF
SW1 0
SW2 1
SW3 1
Top Tray (Tray 4) and Middle Tray (Tray 5)
For the top and middle trays, the paper size switch [A] detects the paper size. The
paper size switch contains three microswitches. The paper size switch is actuated
by an actuator plate [B] at the rear of the tray. Each paper size has its own unique
combination as shown in the table and the CPU determines the paper size by the
combination.
Bottom Tray (Tray 6)
The bottom tray has the same switch as the top and middle trays. However, it is
only used for detecting when the tray is pushed in.
For the bottom tray, the paper size must be selected in the SP5019-007:
B5-LEF A5-LEF
1 0
0 1
1 0
B832-22
[B]
A5-SEF LT-LEF
0 0
0 0
1 0
10 March 2006
[A]
1 2 3
B832D931.WMF
HLT-LEF HTL-SEF
1 1
0 1
0 0
1: HI 0: LOW