4. Replacement and Adjustment
Common Procedures
Opening and Closing the Machine
• Before you attempt any procedure described in this section, always switch off the main power switch
on the machine and disconnect the machine from the power source.
• Never turn off the main power switch when the power LED is lit or flashing. To avoid damaging the
hard disk or memory, press the operation power switch on the operation panel to turn the power off,
wait for the power LED to go off, then turn the main power switch off.
Scanner Cover, Upper Unit
• To avoid bending the catch and release mechanisms, always release and raise the right and left sides
together.
1. Push the scanner cover release buttons on both sides and raise the scanner cover [1].
2. Push the upper unit release buttons on both sides and raise the upper unit [2].
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