Dell C3760DN Color Laser User Manual - Page 365
Random spots/Blurred images, Chart Print, Diagnosis
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Action Yes 3 Replace the drum cartridges. The task is complete. a Replace the drum cartridges. See "Replacing the Drum Cartridges." b After you replace the drum cartridges, test print your document again. Does this solve your problem? 4 Replace the fusing unit. The task is complete. a Replace the fusing unit. See "Replacing the Fusing Unit." b After you replace the fusing unit, click Chart Print on the Diagnosis tab. c Click Pitch Configuration Chart. The Pitch Configuration Chart is printed. Does this solve your problem? 5 Replace the transfer belt unit, the 2nd Belt Transfer Roller (2nd BTR), The task is complete. and the retard roller. a Replace the transfer belt unit, the 2nd BTR, and the retard roller. See "Replacing the Transfer Belt Unit, the 2nd Belt Transfer Roller (2nd BTR), and the Retard Roller." b After you replace the transfer belt unit, the 2nd BTR, and the retard roller, click Chart Print on the Diagnosis tab. c Click Pitch Configuration Chart. The Pitch Configuration Chart is printed. Does this solve your problem? No Go to action 4. Go to action 5. Contact Dell. Random spots/Blurred images Action 1 Ensure that the toner cartridges are installed correctly. See "Installing a Toner Cartridge." Does this solve your problem? 2 Ensure that the drum cartridges are installed correctly. See "Installing a Drum Cartridge." Does this solve your problem? Yes The task is complete. The task is complete. No Go to action 2. Go to action 3. Troubleshooting Guide 363