Epson LQ 1050 Technical Manual - Page 47
Printer Mechanism Operation - impact printer
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REV.-A 2.2 PRINTER MECHANISM OPERATION The printer mechanism is a 9-pin serial dot matrix impact mechanism. Figure 2-2 shows a drawing of the mechanism. The name in the rectangles indicate relationship between each mechanism and the control circuit on the PEGX board. E05A15HA uE05A15HA CN7 DE05A15HA Plunger / Paper End Sensor ---- Platen v r I Cantrol Circuit Feed Motor Ribbon Feed I )Kl + + Home Position CN6 Printhead Drive Circuit ( O Carriage Motor Carriage Motor Control Circuit Figure 2-2. Printer Mechanism Block Diagram The printer mechanism is composed of the following: q Printhead q Carriage Mechanism q Home Position Sensor q Ribbon Feed Mechanism q Paper Feed Mechanism 2-3
REV.-A
2.2 PRINTER MECHANISM OPERATION
The printer mechanism is a 9-pin serial dot matrix impact mechanism. Figure 2-2 shows a drawing of
the mechanism. The name in the rectangles indicate relationship between each mechanism and the
control circuit on the PEGX board.
u
E05A15HA
D
E05A15HA
CN7
E05A15HA
/
Paper End
Sensor
----
Plunger
Platen
v“’’’’” “’”
‘r““
“ ‘ “ ‘
““I
Cantrol
Circuit
Feed Motor
Ribbon
Feed
I
)Kl
+
+
(
O
Carriage Motor
Home Position
CN6
Printhead
Carriage Motor
Drive
Control
Circuit
Circuit
Figure 2-2. Printer Mechanism Block Diagram
The printer mechanism is composed of the following:
Printhead
Carriage Mechanism
Home Position Sensor
Ribbon Feed Mechanism
Paper Feed Mechanism
2-3