Xerox Phaser 7500 Service Manual page 131

Phaser 7500 Printer Service Manual
The relationship between the output voltage and the paper width is provided in
the table below.
Tray 1 Paper Size Sensor Voltage and Paper Width
Paper Size
Postcard SEF
5.5" x 8.5"
A5 SEF
B5 SEF
8" x 10" SEF
8.5" x 11" SEF (Letter) & x 13" & x 14"
A4 SEF
7.25" x 10.5" LEF
B5 LEF
B4 SEF
16K
8K
16K
8K
11" x 17" SEF
8.5" x 11" LEF (Letter)
A4 LEF
A3 SEF
12.6" x 19.2" SEF
13" x 19" (x 18")
SRA3
12" x 18"
Theory of Operation
Voltage (V) AD Value
2.676 - 2.732 825 - 852
2.246 - 2.302 692 - 718
2.156 - 2.212 664 - 690
1.788 - 1.843 549 - 576
1.636 - 1.692 502 - 529
1.503 - 1.559 461 - 488
1.484 - 1.54 455 - 482
0.972 - 1.028 297 - 323
0.975 - 1.031 298 - 324
0.975 - 1.031 298 - 324
0.867 - 0.922 264 - 291
0.867 - 0.922 264 - 291
0.834 - 0.890 254 - 281
0.834 - 0.890 254 - 281
0.732 - 0.788 222 - 249
0.732 - 0.788 222 - 249
0.541 - 0.597 163 - 190
0.541 - 0.597 163 - 190
0.415 - 0.470 124 - 150
0.308 - 0.364 91 - 118
0.292 - 0.348 86 - 113
0.574 - 0.630 173 - 200
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