III-23
(8)
Connect the thermal head flat cable to the connector on the main PCB ASSY.
(9)
Align the holes on the main PCB ASSY with the one boss and one pin on the middle cover
and secure the one screw to assemble the main PCB ASSY.
Caution: When replacing the main PCB with a new one, always write the serial number into
the new PCB following the flow described in Appendix 1. ‘Maintenance Software’.
Fig. 3.1-35 Assembling the Main PCB ASSY (7)
Screw
Main PCB ASSY
Pin
Middle cover
Boss
Termal head flat cable
Summary of Contents for PT-2420PC
Page 1: ...SERVICE MANUAL MODEL PT 2420PC ...
Page 49: ...IV 6 2 Printing Failure ...
Page 50: ...IV 7 3 The Indicator LED will not come on ...
Page 51: ...IV 8 4 Interface Malfunctions ...
Page 62: ......