SCANNING
B121 Series/B259 Series 6-12 SM
Original Size Length Sensors Width Sensors
A4/A3
version
LT/DLT
version
L2 L1 W2 W1
SP4-301
display
A3 11" x 17" 1 1 1 1 11110000
B4 8.5" x 14" 1 1 0 1 11010000
8.5" x 13" — 1 1 0 0 11000000
A4-SEF 8.5" x 13" 0 1 0 0 01000000
A4-LEF 11" x 8.5" 0 0 1 1 00110000
B5-LEF 8.5" x 11" 0 0 0 1 00010000
A5-LEF 8.5" x 5.5" 0 0 0 0 00000000
— 8.5" x 13" 0 1 0 1 01010000
NOTE: 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 SP4-303 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 the laser diode is stopped to match the
copy paper length detected by the registration sensor. This means that copy time
for the first page may be slower (because of the longer time required for scanning),
but it will be normal for the rest of the job.
Original size detection using the ADF is described in the manual for the ADF.
W1
W2
L2L1
B121D931.WMF
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