Xerox 6250N Service Manual - Page 153
Imaging Unit Firmware Failure
UPC - 095205770407
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Imaging Unit Firmware Failure Code 75: This is an Imaging Unit CRUM data error. Caution Protect the imaging unit from exposure to light by covering the unit or placing in a light proof bag. Troubleshooting Reference Table Applicable Parts Plate Dispenser Assembly PL 10.1.13 Wiring and Plug/Jack Map References "Fuser Assembly" on page 10-21 Troubleshooting Procedure Table Steps Actions and Questions Yes No 1 Check the Imaging Unit for defects or possible damage. Replace the parts concerned. Go to Step 2. 2 Does the error recur if the Imaging Unit is Go to Step 3. replaced? Complete 3 Is the CRUM Harness connector damaged or improperly connected. Replace the Plate Dispenser Assembly, PL 10.1.13. Go to Step 5. 4 Does the error recur after the Plate Dispenser is replaced? Go to Step 5. Complete 5 Remove the left cover. Damage can occur Go to Step 7. Check the Gear Slide and the Rack V for if the Gear and damage or misalignment. Rack are not in the Is the Rack V out of alignment? proper position. See page 8-77 for more information. With Door C open, push the Rack V up as far as it can go and then reinstall the gear slide. 6 Does the error recur after the aligning the Go to Step 7. Gear and Rack? Complete 7 Check J710 J71 on the CRUM Go to Step 9. Harness for continuity. Use the wiring diagram "Fuser Assembly" on page 10-21. Replace the CRUM Harness Assembly, PL 10.1.12. 8 Does the error recur after the replacing Go to Step 9. the CRUM harness? Complete 3-72 Phaser 6250 Color Laser Printer Service Manual