HP d640 HP D640 High-Volume Printer - Installation Manual (Printer and Accesso - Page 109

Host Interface, Parallel Interface

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Host Interface Printer Interfaces Parallel Interface The parallel interface is accessible through a 36-pin connector at the back of the printer. The interface can be configured to operate in Institute of Electrical and Electronics Engineers (IEEE) 1284 mode. Signal names on the following connector pin assignment diagram (see Figure 3-2) relate to 1284 Compatible (Bitronics) mode. Busy Select Ack Fault P error Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 Init Strobe Select in Auto Feed NC 1 19 2 20 3 21 4 22 5 23 6 24 7 25 8 26 9 27 10 28 11 29 12 30 13 31 14 32 15 33 16 34 17 35 18 36 Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Ground Peripheral logic hi Figure 3-2 Connector Pin Assignment NOTE: Not all IEEE 1284 parallel cables perform the same. For proper operation HP recommends that you only use the HP C2946A 3 meter cable (included) or the HP C2947A 10 meter cable (purchased separately). Host Computer Interface Installation and Configuration 3-7

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Printer Interfaces
Host Computer Interface Installation and Configuration
3-7
Host Interface
Parallel Interface
The parallel interface is accessible through a 36-pin connector at the back of the printer.
The interface can be configured to operate in Institute of Electrical and Electronics Engi-
neers (IEEE) 1284 mode.
Signal names on the following connector pin assignment diagram (see Figure 3-2) relate
to 1284 Compatible (Bitronics) mode.
Figure 3-2
Connector Pin Assignment
NOTE:
Not all IEEE 1284 parallel cables perform the same. For proper operation
HP recommends that you only use the HP C2946A 3 meter cable
(included) or the HP C2947A 10 meter cable (purchased separately).
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Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Peripheral logic hi
Busy
Select
Ack
Fault
P
error
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Data 8
Init
Strobe
Select in
Auto Feed
NC