List of Figures
Figure 2-1.
Figure 2-2.
Figure 2-3.
Figure 2-4.
Figure 2-5.
Figure 2-6.
Figure 2-7.
Figure 2-8.
Figure 2-9.
Figure 2-10
Figure 2-11
~D•Œ
Figure 2-12
Figure 2-13
Figure 2-14
Figure 2-15
Figure 2-16.
Figure 2-17.
Figure 2-18.
Figure 2-19.
Figure 2-20.
~...,,
Functional Block Diagram of the Printer Mechanism . ...........2-1
~:
Structure of Printhead . . . . . . . . . . . . . . . . . . . . . ...............2-2
Principles
ofthe
Printing Operation . . . . . . . . . . . . . . . . . . . . . ....2-3
Carriage Drive Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4
Platen Gap Adjust Lever . . . . . . . . . . . .......................2-4
Paper Feed Mechanism . . . . . . . . . . . . . . . . . . . . . .............2-5
Diagram ofthelnkSystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..2-6
Pump Mechanism Block . . . . . . . . . . . . . . . . . . . . . .............2-7
Pump Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .........2-8
Table 2-1.
Table 2-2.
Table 2-3.
Table 2-4.
Table 2-5.
Table 2-6.
Table 2-7.
Cap Mechanism . . . . . . . . . . . . . . . . . . . . . ..................2-9
Block Diagram of the Electrical Circuities . . . . . . . . . . . . . . .....2-10
Power Supply Circuit Block Diagram . . . . . . . . . . . . . . . . . .....2-11
Main Control Circuit Block Diagram . . . . . . . . . . . . . . . . . . .....2-12
ResetCircuit Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . .....2-13
Sensor Circuit Block Diagram . . . . . . . . . . . . . . . . . . . . . . . .....2-13
Ink End Detection Sequence . . . . . . . . . . . . . . . . . . . . . . . .....2-14
Carriage Motor Drive Circuit Block Diagram . . . . . . . . . . . . .....2-15
(,:
,
Paper Feed MotorDriveCircuit Block Diagram . . . . . . . . . .....2-16
Printhead Drive Circuit Block Diagram . . . . . . . . . . . . . . . . .....2-17
Relation oflnkSystem Operation and Carriage Position . . .....2-18
List of Tables
Carriage Drive Motor Specification . .........................2-4
Platen-Gap Adjust Lever Position . ..........................2-4
Paper Feed Drive Motor Specification . .......................2-5
Pump Mechanism Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8
DC Voltage Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. ..2-10
Carriage Motor Drive Modes . . . . . . . . . . . . . . . . . . . . . . . . . ....-2-15
Paper Feed Motor Drive Modes . . . . . . . . . . . . . . . . . . . . . . . .....2-16
2-ii
Rev.A
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