Ricoh K-C3 Service Manual page 212

B245/B276/B277/B268/B269 Service Manual
Original Size
A4/A3 version LT/DLT version
A3
B4
8.5" x 13"
A4-SEF
A4-LEF
B5-LEF
A5-LEF
—
0: High (no paper), 1: Low (paper present)
The above table shows the outputs of the sensors for each original size. This original size
detection method eliminates the necessity for a pre-scan and increases the machine's
productivity.
For other combinations, "Cannot Detect Original Size" will be indicated on the operation
panel display (if SP 4303 is kept at the default setting).
However, if the by-pass feeder is used, note that the machine assumes that the copy paper is
short-edge first. For example, if A4 paper is placed long-edge first on the by-pass tray, the
machine assumes it is A3 paper and scans the full A3 area for the first copy of each page of
the original, disregarding the original size sensors. However, for each page, the data signal to
Length Sensors
L2
11" x 17" 1
8.5" x 14" 1
— 1
8.5" x 13" 0
11" x 8.5" 0
8.5" x 11" 0
8.5" x 5.5" 0
8.5" x 13" 0
Width Sensors
L1 W2 W1
1 1 1
1 0 1
1 0 0
1 0 0
0 1 1
0 0 1
0 0 0
1 0 1
18-Jan-06
SP 4301
display
11110000
11010000
11000000
01000000
00110000
00010000
00000000
01010000
203