4-4 Service Manual
5021-0XX
Printer removal procedures
Precautions to take before maintenance work
Do not implement any operation, removal, or modification and so on,
which are not presented in this manual.
1. Turn the printer power off and unplug the power cable from the
outlet prior to starting removals or checks.
2. Prior to starting any repairs, read and understand the warnings
in this manual.
• High temperature
• High voltage
• Laser radiation
3. Collect and properly dispose of the waste toner or toner
cartridge.
4. Remove the ground wire when removing or replacing the low
voltage power supply.
After installation is complete, confirm the ground wire is
reconnected to the earth mark .
5. Confirm the direction of all parts and screw length during
removal/replacement.
6. Utilize the proper cleaning procedures/solvents during
maintenance.
7. Confirm that all parts and covers are properly installed and
assembled prior to starting the print test.
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