Xerox 2135DT Service Guide - Page 64
White stripe in direction of paper travel
UPC - 042215474696
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White stripe in direction of paper travel Note A-size prints are normally processed through the printer with the short edge of the print parallel to the direction of the paper path making print artifacts parallel to the short edge of the print. B-size prints are processed through the printer with the long edge of the print parallel to the paper path making artifacts parallel to the long axis of the print. Leading Edge 1. Look for dirt or contamination on the LED heads. Clean them with a clean, alcohol-soaked, lint-free wipe. 2. Do the imaging drum units make good connection to their power terminals? 3. Are the LED heads wiring harnesses undamaged and properly seated? 4. Is +3.8V (red wire) supplied to Pin 3 of each LED head assembly? If yes, replace the LED head assembly. 5. Is +3.8 V supplied to the POWER connector pins 1, 2, 3, 4, 5, 6, 7 and 8 on the junction board or at the 16-pin interconnect near the top cover hinge (under the top shield plate). Inspect the junction board's wiring connectors. If the voltage is not OK, replace the low-voltage power supply. 6. If +32 volts supplied to the POWER connector pins 7, 8, 9 and 10 on the engine controller board? Inspect the wiring harnesses or replace the low-voltage power supply. 7. Is +32V supplied to the HVOLT connector Pin 5 of the engine board. If not replace the engine controller board. Transfer the old engine controller board's EEPROM (lower-right corner of board) to the new engine controller board. 8. Inspect the high-voltage wiring harnesses. 9. Replace the high voltage power supply. Service Guide 51