Power Supply Troubleshooting; Taking Voltage Measurements - Xerox Phaser 3600 Service Manual

Power Supply Troubleshooting

Taking Voltage Measurements

Phaser 3600 Printer Service Manual
1. Check the voltage at the AC wall outlet, there should be approximately
110 VAC (or 220 VAC if the printer is a 220 V model) at the AC wall outlet?
2. Check the power cord for defects, damage, or a loose connection.
3. Check the AC switch harness for continuity.
4. Verify the Power Supply is operating correctly.
To locate connectors or test points, refer to "Printer Plug/Jack/Connector
Designators" on page 9-3 for more information.
Unless otherwise specified, the following voltage tolerances are used within
this section.
Stated
+3.3 VDC
+5.0 VDC
+24.0 VDC
0.0 VDC
Measured
+3.135 to +3.465 VDC
+4.75 to +5.25 VDC
+21.6 to +26.4 VDC
Less than +0.5 VDC
General Troubleshooting
4-5