The Eltron Company P310 - Manual (Page 39)

980264-001 Rev. B
3-11
CHAPTER 3
Serial Port
Driver
Smart Card
Contact
Station
(Option)
Encoder
Board
(Option)
Read/Write
Heads
Parameter
Status
FLASH
RAM
Stepper
Motor
Drive
Stepper
Motor
Print Head
Thermistor
Print Head
Voltage
Vdd
Card
Feed
Head
Up/Dn
Ribbon
DB-9
DB-25
MICROCONTROLLER
Data Bus
(16-bits)
Address
Bus
Control
Signals
Clock
(32.7 MHz)
Print
Head
Assembly
Print
Head
Drive
dc Motor
Drive
Parallel
I/O
Initialize and
Error Clear
PHASE1
PHASE2
PHASE3
PHASE4
Power
Operator
Panel
Printer
Alert
Media
Alert
Smart
Card
PWB
(Option)
Daughter
Board
Flag
Head
Latch
Head Up/Dn
Status
• Card
• Ribbon
• Flag
• Head
Up/Dn
• Head
Open/
Latched
Figure 3-2. Printer Module Block Diagram.