Canon BJC 50 Service Manual - Page 45

Canon BJC 50 - Color Inkjet Printer Manual

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BJC-50 2.3 Interface Specifications 2.3.1 Parallel interface 1) Interface Type: 2) Operation mode: 3) Signal voltage levels: Part 2: Product Specifications Bidirectional Centronics Interface (IEEE 1284 compatible) Compatibility mode / Nibble mode / ECP mode Low High Input 0.0 V to +0.8 V +2.0 V to +5.0 V Output 0.0V to +0.4 V +2.4 V to +5.5 V 4) Input / output 5) Interface cable: 6) Interface connectors: Each signal pulled up with +5V. Type: Twisted-pair shielded cable Material: AWG28 or larger Length: Up to 1.5 m (4.9 feet) Printer side: Japan Molex 52629-2611 (or equivalent) Cable side: Fujitsu Takamizawa Components FCNI/O IN IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT IN/OUT OUT OUT - - Pin No. 14 15 16 17 18 19 20 21 22 23 24 25 26 Signal GND SELECT AUTO FEED XT +5.0V (*1) INIT ERROR +5.0V (*3) SELECT IN GND N.C. GND GND N.C. I/O - OUT IN - IN OUT - IN - - - - - Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 Signal STROBE DATA1 DATA2 DATA3 DATA4 DATA5 DATA6 DATA7 DATA8 ACKNLG BUSY P.E. GND 287P026-G/E(or equivalent) 7) Input / output signals and pin layout *1. The level is raised to +5.0V at 390. *2. N.C. means no connection. *3. The level is raised to +5.0V at 5.6k. 2-15

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2.3 Interface Specifications
2.3.1 Parallel interface
1) Interface Type:
Bidirectional Centronics Interface (IEEE 1284
compatible)
2) Operation mode:
Compatibility mode / Nibble mode / ECP mode
3) Signal voltage levels:
4) Input / output
Each signal pulled up with +5V.
5) Interface cable:
Type:
Twisted-pair shielded cable
Material:
AWG28 or larger
Length:
Up to 1.5 m (4.9 feet)
6) Interface connectors:
Printer side:
Japan Molex 52629-2611
(or equivalent)
Cable side:
Fujitsu Takamizawa Components FCN-
287P026-G/E(or equivalent)
7) Input / output signals and pin layout
*1. The level is raised to +5.0V at 390.
*2. N.C. means no connection.
*3. The level is raised to +5.0V at 5.6k.
2-15
BJC-50
Part 2: Product Specifications
Low
High
Input
0.0 V to +0.8 V
+2.0 V to +5.0 V
Output
0.0V to +0.4 V
+2.4 V to +5.5 V
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
Signal
STROBE
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
ACKNLG
BUSY
P.E.
GND
I/O
IN
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
OUT
OUT
–
–
Signal
GND
SELECT
AUTO FEED XT
+5.0V (*
1
)
INIT
ERROR
+5.0V (*
3
)
SELECT IN
GND
N.C.
GND
GND
N.C.
I/O
–
OUT
IN
–
IN
OUT
–
IN
–
–
–
–
–
Pin No.
14
15
16
17
18
19
20
21
22
23
24
25
26