Epson SQ-B50/2550 Technical Manual page 73

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REV.-A
PF
PE
TE
TE
RS+/- RL
CSF
CM+/- ENAlB CRH
HEAD
lE
ICE
TH
VBS+/- PM+/-
Pump Unit
(Ca p,CI ea ne r ,Drawri ng)
M
P
S
S
Ink Cartridge
(Holder)
H,j4-_--.
S
Carriage
Paper Select
TE Holder
Paper Feed
(Platen)
,,~-----------._-----~/
,,~------_/
Inking Mechanism
----------------~/
Carriage Mechanism
,,~----------------------~/
Paper Feed Mechanism
Printing Mechanism
Figure 2-2. Summary of the Printer Mechanism
TE:
Top edge holder motor drive signal
TE (SENSOR):Top edge sensor signal
RS
+/-:
Release solenoid drive signal
RL:
Release sensor signal
CSF:
CSF Sensor signal
CM
+/~:
Carriage motor drive signal
PF:
PE:
Paper feed motor drive signal
Paper end sensor signal
ENA/B:
CRH:
HEAD:
lE:
ICE:
TH:
VBS
+/-:
PM
+/-:
Carriage motor encoder signal
Carriage home position sensor
signal
Print head drive signal
Ink end sensor signal
Ink cartridge sensor signal
Ink thermal sensor signal
Valve solenoid drive signal
Pump motor drive signal
2-5

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