5.1 Precautions for Disassembly/Reassembly Use only approved Xerox spare parts. Ensure that the part number, product name, any voltage, current or temperature ratings are correct. Failure to do so could result in damage to the printer, circuit overload, fire or electric shock.
Troubleshooting Troubleshooting 7.1 Print Quality Problems 7.1.1 Vertical Black Line and Band Example Possible Cause Sequence of Repair Actions There are straight, black, vertical lines or banding on the printed image. Damaged developer roller, Print a cleaning sheet. deformed doctor blade, or cleaning Replace the toner cartridge and re-test.
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