Develop QC 2235 Plus Service Manual page 96

Bypass section
13.3.4 Paper size detection
• The size of the paper loaded in the Bypass Section is detected by the combination of ON or
OFF positions of the four Bypass FD Paper Size Sensors and the Bypass Paper Size Unit.
• Moving the Paper Guide varies the resistance value of the Bypass Paper Size Unit VR.
Metric Area
Bypass FD Bypass FD
Paper Size Paper Size
Sensor/1 Sensor/2
(PC111) (PC112)
OFF OFF
ON OFF
ON ON
ON ON
ON ON
QC 2235plus Theory of Operation Ver.1.0 Feb. 2004
Bypass FD Bypass FD
Paper Size Paper Size
Sensor/3 Sensor/4
(PC113) (PC114)
OFF OFF
OFF OFF
OFF OFF
ON OFF
ON ON
2-66
Bypass Paper Size
Unit (VR1) Paper Size
Width (mm)
80 to less than 115
115 to 144 inclusive
196 to 225 inclusive
242 to 268 inclusive
133 to 164 inclusive
169 to less than 196
196 to 225 inclusive
225 to less than 288
288 to 330 inclusive
188 to 235 inclusive
201 to 231 inclusive
268 to 288 inclusive
255 to less than 288
288 to less than 301
301 to 330 inclusive
Detected
A6R
B6R
A5
B5
A5R
B5R
A4R
Letter
A4
FLS
Legal
11 × 14
11 × 17
A3
A3 Wide