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TTP-248M Bar Code Printer
Service Manual
4.2 Replacing the Mainboard
1. Disconnect all harnesses.
2. Remove the seven screws on Mainboard, two hexagon screws of serial port and two
screws of parallel port.
3. Replace the Mainboard.
4. Reassemble in the reverse procedures.
Serial Port
Mainboard
Screw
Screw
Screw
Screw
Screw
Parallel Port