Epson FX Series

EPSON PRINTERS
Print and Paper Feed Timing
In an alternating operation of the print and then paper feed, the
minimum time interval from paper teed start to print start is set to
approximately 150 msec.
-O PFA
imp
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^ ' 0000 ^—
1 ROTOR 1 (
c
A (1 ( QQQO >
c
-O PFB
-O PFCM
-O PFD
-O PFC
Fig. 1-15. Paper Feed Motor Connections
Paper feed in forward direction
TABLE 1-5. PAPER FEED MOTOR STEP SEQUENCE (CW)
STEP No.
A phase
B phase
C phase
D phase
1
ON
OFF
ON
OFF
2
ON
OFF
OFF
ON
3
OFF
ON
ON
OFF
4
OFF
ON
OFF
ON
1-9
PRINCIPLES OF OPERATION
TABLE 1-6. Paper Feed Motor Step Sequence (CCW)
STEP No.
A phase
B phase C phase
D phase
1
ON OFF
OFF
ON
2
ON
OFF
ON
OFF
3
OFF
ON ON OFF
4
OFF
ON
OFF
ON