Xerox DocuColor 12/DCCS50 Service Manual page 1482

Table 2 DADF Document Size Sensing
Document Size DADF Rear (#1) DADF Front (#2)
(in) Sensor
8.5x11 SEF (letter) OFF
8" x10.5" SEF
8"x10" SEF
8.5x13 SEF OFF
8.5x12.4 SEF
5.5X8.5 OFF
11X17 SEF ON
11X14.9 SEF
B4 SEF ON
8.5X11 LEF (letter) ON
8.5X11 LEF ON
8X10.5 LEF
8X10 LEF
B5 LEF ON
A3 SEF ON
A4 LEF ON
There are two possible document path faults that can be determined by the size sensing sys-
tem. The following message is displayed by the IOT. "The Document Feeder has a failure". This
message is displayed when:
• The Front and Rear Size Sensors detect a document and the DADF is not in use.
• The Front and Rear Size Sensor detects a document, but the Registration Sensor does
not detect a document.
Principles of Operation
DADF Document Transport
Length of
detected Original Length of
Sensor (mm) Original (mm)
OFF 197.14~222.54 254~279.4
OFF 258.1~273.34 314.96~330.2
OFF 82.84 139.7
OFF 321.6~374.94 378.46~431.8
OFF 307.14 364
OFF 159.04 215.9
OFF 146.34~159.04 203.2~215.9
OFF 125.14 182
0N 363.14 420
ON 153.14 210
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