Phaser 7500 Printer Service Manual 2-71
Theory of Operation
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 Voltage (V) AD Value
Postcard SEF 2.676 - 2.732 825 - 852
5.5" x 8.5" 2.246 - 2.302 692 - 718
A5 SEF 2.156 - 2.212 664 - 690
B5 SEF 1.788 - 1.843 549 - 576
8" x 10" SEF 1.636 - 1.692 502 - 529
8.5" x 11" SEF (Letter) & x 13" & x 14" 1.503 - 1.559 461 - 488
A4 SEF 1.484 - 1.54 455 - 482
7.25" x 10.5" LEF 0.972 - 1.028 297 - 323
B5 LEF 0.975 - 1.031 298 - 324
B4 SEF 0.975 - 1.031 298 - 324
16K 0.867 - 0.922 264 - 291
8K 0.867 - 0.922 264 - 291
16K 0.834 - 0.890 254 - 281
8K 0.834 - 0.890 254 - 281
11" x 17" SEF 0.732 - 0.788 222 - 249
8.5" x 11" LEF (Letter) 0.732 - 0.788 222 - 249
A4 LEF 0.541 - 0.597 163 - 190
A3 SEF 0.541 - 0.597 163 - 190
12.6" x 19.2" SEF 0.415 - 0.470 124 - 150
13" x 19" (x 18") 0.308 - 0.364 91 - 118
SRA3 0.292 - 0.348 86 - 113
12" x 18" 0.574 - 0.630 173 - 200