Xerox 8500DN Service Manual - Page 114
Questions and Actions, Process Motor, PEST Description, 8550/8560 PEST, Description
UPC - 095205022063
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Page 114 highlights
Error Messages and Codes 3-46 Troubleshooting Procedure for Process Drive Step Questions and Actions Yes No 1 Do the Process Drive gears, Transfix Go to Step 2. Look for drag Camshaft, and Drum Maintenance Camshaft in the rollers rotate freely? or replace the Process Drive. 2 Run the Process Motor test. Did the test pass? Replace the Electronics Module. Go to Step 3. 3 Check the wiring for damage. Replace the Process Drive. 8400 PEST Description 8500/8550/8560 PEST Description 37,038.47: The power supply did not reset properly. Reset may be disconnected. 37,039.48: Power supply +5 volt over limit. 37,040.40: Power supply +5 volt under limit. 37,041.41: Power supply +1.8 volt over limit. The power supply did not reset properly. Reset may be disconnected. 37,042.42: Power supply +1.8 volt under limit. 37,043.43: Power supply +2.5 volt over limit. Power supply +2.5 volt over limit. 37,044.44: Power supply +2.5 volt under limit. Power supply +2.5 volt under limit. 37,045.45: Power supply +3.3 volt over limit. Power supply +3.3 volt over limit. 37,046.46: Power supply +3.3 volt under limit. Power supply +3.3 volt under limit. 37,047.47: Power supply +12 volt over limit. Power supply +12 volt over limit 37,048.48: Power supply +12 volt under limit Power supply +12 volt under limit 37,049.40: Power supply -12 volt over limit. Power supply -12 volt over limit. 37,050.41: Power supply -12 volt under limit. Power supply -12 volt under limit. 37,051.42: Power supply current over limit. Power supply current over limit. 37,052.43: Power supply current under limit. Power supply current under limit. 37,053.44: Power supply +50 volt over limit. Power supply +50 volt over limit. 37,054.45: Power supply +50 volt under limit. Power supply +50 volt under limit. 37,055.46: Power supply -50 volt over limit. Power supply -50 volt over limit. Phaser 8400/8500/8550/8560 Color Printer Service Manual