Error Codes And Messages Troubleshooting; Voltage Measurements; Figure 2-1 Voltage Measurement Point Locations - Xerox 7700DX - Phaser Color Laser Printer Service Manual

Error Codes and Messages Troubleshooting

Some Error Codes create "Tech Rep Faults" which must be cleared, see Clear
Tech Rep Faults on page 6-149.

Voltage Measurements

Many voltage measurements are required for expeditious troubleshooting.
The following illustration is provided at this location for your convenience in
locating most of the connectors/pins from which voltage measurements are
taken. Cross references (links) are provided.
A13
P404
B1
B20
P401
A1

Figure 2-1 Voltage Measurement Point Locations

2-46 Phaser 7700 Color Laser Printer Service Manual
A1 A15 A1 A8
P407 P405
B13 B1 B15 B1
B1
P400
6 1
A20
A1 A15 A1
P406
B8 B1 B15
B15 B1
P534
A1 A15
A14 A1
A1 A20
P533
P531
B20 B1 B1 B14
P408 P411
9 1 8 1
A14 A1
P530
B1 B14
B15 B1
A15 A1
P532
P535
B1 B15 A1 A15
S7700-428
P409
4 1