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CHAPTER 2 OPERATION
mm
2. Engine Controller I/O (1/4)
Engine controller PCB
J2
J1
J207|
4
"35-4
-A3| 4t5¥
Cut sheet
2
+ 2 ]
|-5
-A2! ctpset:
"0" when cut sheet media is
detection sensor
-3
- 1 )
|-6
-Al
detected
ahr
J3
y
el la
-ag} A+5V
os
Roll media
-2
5]
|-2
-AS! pi
PSET* "O° when roll media is
detection sensor
| re
A}
|-3
"AA! Arr
detected
WT
J4
J36
A
"374-1
-ag|_4+5V
—e
Carriage home
-2
-2|
j-2
-A8) CRGHP
"1" when carriage is at
Position sensor
-
-1|
|-3
-A7
home position
Tr
2
-pi| 4+5V
Pressure cam
7
'
By
-3
-B3
"+" when pressure cam is at
home Gostion
=
=o] VCAMHP
home peaklcn
Thr
J8
4
-B6
+5V
Cap cam home
-2
-B5! vaCseL
"1" when cap cam is at
position sensor
-3
-B4)
home position
WT
J10
s]
-pg|_4*5¥
Media gischarge
2
-B8) QUTPSN* "oO" when media is detected
sensor
-3
-B7|
ia
J12
J11
-1
-37-2
-Bi2)
A+5V
"O° when media is detected
Cut sheet trailing
2
-2|
|-3
-B11)
ENDPSN*
(trailing edge of media is
edge sensor
B
-1)
|-4
-B10)
detected by state changing
ar
from "O* to "1")
J46
+5V
,
a!
-Ai2| 4
"O" and "1" are repeaed
pascal
<2
-A11)
FMROL
— during X-axis motor
detection sensor
Psa
[.3
-A10)
rotation
TT
J22
J204)
4
5
A+5V
Feeder open/close
e
-4) PRSSEN
"1" when feeder unit is
sensor
-3
+
opened
IT
Figure 2-104
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