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2. MAJOR UNIT REPLACEMENT EO18-33023
2.1 Replacing the CPU PC Board
2-1
2. MAJOR UNIT REPLACEMENT
WARNING!
1. Disconnect the power cord before installing the main parts.
2. Be careful not to injure your fingers when replacing the main parts.
CAUTION!
1. Since a lot of small moulded parts are used in this printer, care must be taken not to damage or lose
them.
2. Be careful not to damage the print head while removing and reassembling.
3. In the United States, used lithium ion batteries should be returned to the store where you bought the
machine. (USA only)
4. LITHIUM ION BATTERYDISPOSE OF PROPERLY
Caution: Do not handle damaged or leaking lithium ion battery.
5. Before handling the main parts, be sure to discharge static electricity in human body through other
metals. Failure to do this may damage the CPU PC board, print head, etc..
NOTES:
1. Before replacing the main parts, print out the maintenance counter values and the parameter values and keep
the printout. (Refer to Section 4.2 Diagnostics Test in the System Mode Manual.)
After replacing, restore the setting according to the printout.
2. Use precision screwdrivers for replacing the precision components which are installed into the printer.
2.1 Replacing the CPU PC Board
1) Turn off the printer.
2) Slide the Battery Lever in the direction of the arrow, and remove the Battery Pack from the printer.
3) Remove the four Tapping Screws from the Bottom Cover.
Battery Lever
Battery Pack
T-3x10 Screw
T-3x10 Screw