Canon BJC-55 Series, Service Bulletin

Page: 67 / 249

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