Adjusting Sensor Output After Ee-Prom Replacement - Xerox Paser 7400 Service Manual

Adjusting Sensor Output After EE-PROM Replacement

To adjust the sensor output after replacing the EE-PROM, use the following steps:
1.
Turn off the Phaser 7400 Color Printer.
2.
Locate DIP switches SW1001, SW1002, and SW1003 and LEDs LED1001,
LED1002, and LED1003 on the Punch Controller Board.
3.
For DIP switch SW1001 on the Punch Controller Board, press shift bits 1
through 4 as follows:
Press switches SW1002 and SW1003 on the Punch Controller Board
simultaneously.
The presses will initialize the EEP-ROM. At the end, all LEDs(LED1001,
LED1002, LED1003) will go ON.
4. Adjust the sensor output (page 4-4) and register the number of punch holes
(page 4-2).
Adjustments and Calibrations
13 1
J1007
SW1001
J1003
1
ON
1 2 3
s7400-537
SW1002
SW1003
LED1001
LED1002
LED1003
J1004
1
10 5
s7400-270
4
4-5