Xerox 7700DX Service Manual - Page 81
ERROR 14 CYAN ATC SENSOR FAILURE, Error, Chain, Front Panel Message
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Error Code Chain / Link Front Panel Message 14 09-382 ERROR 14 CYAN ATC SENSOR FAILURE Note Note If this failure reoccurs three times successively, an Engine NVRAM value is set preventing further printer use until the NVRAM Access / Clear Tech Rep Fault / Clear is run. If necessary, enter Service Diagnostics Mode and run the "Clear Tech Rep Fault" procedure on page 6-149. Remove the Rear Cover (RRP 1, on page 7-154) and Rear Shield (RRP 9, on page 7-163). Measure the voltage at P534-8 (see figure page 2-46) on the Engine Control Board. Does the voltage measure between +1 VDC and +3 VDC? Yes No Measure the voltage at P534-9 (see figure page 2-46) on the Engine Control Board. Does the voltage measure +5 VDC? Yes No Replace the Engine Control Board (RRP 42, on page 7-206). Measure the voltage at P534-7 (see figure page 2-46) on the Engine Control Board. Does the voltage measure 0 VDC? Yes No Replace the Engine Control Board (RRP 42, on page 7-206). Remove the Print Cartridge Plate Cover (RRP 24, on page 7-179). Inspect the wiring harness between the Engine Control Board and the Developer Housing Assembly. Is the wiring harness in good condition? Yes No Repair or replace as necessary. Replace the Developer Housing Assembly (RRP 27, on page 7-185). Replace the Engine Control Board (RRP 42, on page 7-206). Note Run approximately 10 pages of solid fill full-page prints of this primary color to ensure this error is cleared. Phaser 7700 Color Laser Printer Service Manual 2-51
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