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CHAPTER 4 MAINTENANCE
This chapter covers the maintenance (cleaning, lubrication, inspection, and adjustment) required for levels 1
and 2 defined in Section 4.4.
4.1 GENERAL
Using the latest in electronic technology, the Laser Printer LN15 offers high reliability and ease of mainte-
nance. The number of parts requiring lubrication and/or adjustment has been reduced.
The LN15 printer has a self diagnostic function which briefly indicates the type of error using the indicators on
the control panel if the printer malfunctions.
This printer has the status report function to help indicate whether an error is due to the printer or the host
computer. This function is useful for testing printer performance after an error recovery.
4.2 GENERAL PRECAUTIONS
The following precautions will help prevent damage to the LN15 page printer.
• Do not connect or disconnect connectors or printed circuit boards while the power is turned on.
• Use screwdrivers, pliers, and other tools appropriate to the parts to be replaced. Do not leave screws or parts
inside the printer.
• Use only the specified type of oil, grease, and cleaner.
• Power should be turned off before beginning any parts replacement.
• Be careful not to cause damage to the print unit by touching the surface of the OPC drum with fingers, metal,
or anything. Do not set the print unit in light for extended periods of time.
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