
II-12
2.2
OUTLINE OF CONTROL ELECTRONICS
Fig. 2.2-1 shows the block diagram of the control electronics. The control electronics consist of the
following components.
Fig. 2.2-1 Block Diagram of the Control Electronics
2.2.1
Main PCB
This manages all the components. This PCB consists of CPU, ROM, RAM, EEPROM, serial IF
driver, USB chip and motor drivers etc.
2.2.2
Cassette & Cover Open Sensor PCB (Sensor PCB)
This PCB has sensors to detect tape width in a cassette and a type of ink ribbon, and the cassette
cover open sensor (mechanical SW).
2.2.3
Tape End Sensor PCB
This is the sensor to read the tape end pattern (zebra pattern), using the photo interrupter.
Summary of Contents for PT-9500PC - P-Touch 9500pc B/W Thermal Transfer Printer
Page 1: ...SERVICE MANUAL MODEL PT 9500PC ...
Page 2: ...SERVICE MANUAL MODEL PT 9500PC ...
Page 86: ...IV 10 3 The LED does not turn on 4 No printing is performed ...
Page 87: ...IV 11 5 The interface malfunction 6 The tape is not cut ...
Page 88: ...IV 12 7 The tape is not fed correctly ...
Page 89: ...IV 13 ...
Page 90: ...IV 14 8 Half cut failure ...
Page 91: ...IV 15 9 Forced tape eject failure ...
Page 92: ...IV 16 10 The failure of pressure contact release of the roller holder ...
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