Lexmark XM1246 Printer Languages and Interfaces Technical Reference - Page 134

Parallel interface, Standard parallel connector, INIT* signal, Computer-to-printer communications

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Printer interfaces 134 Parallel interface Standard parallel connector The standard IEEE 1284-B compliant parallel connector on the printer is a 36-pin D-shell female receptacle, as shown. 18 1 36 19 INIT* signal When the printer is using the parallel interface and it receives an INIT* signal, it initializes as follows: • It prints the data received before INIT*, and then initializes. • It returns variable defaults to the values stored in the user default settings. • It returns fixed default settings to the factory values. • It retains permanent downloaded fonts and macros, but deletes temporary downloaded fonts and macros. • The link buffer remains intact. • Variable default paper size settings become the active paper formatting size. • If paper is loaded with auto size sensing, then the printer resets the default paper formatting size to the size of the paper in the tray. Notes: • INIT* is not honored when Hex Print is active. • INIT* causes the parallel interface to go busy. The printer processes INIT* when the parallel interface becomes active and all preceding characters have been processed. Computer‑to‑printer communications Standard parallel connector The cabling in the following illustration supports Standard and Fastbytes protocols and IEEE 1284 Nibble, Byte, and ECP protocols. 18 IEEE 1284-B 36 Printer Side 14 Computer Side 1 IEEE 1284-A 36-Pin D-Shell Connector (Male) 25-Pin D-Shell Connector (Male) 1 19 25 13

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Parallel interface
Standard parallel connector
The standard IEEE 1284-B compliant parallel connector on the printer is a 36-pin D-shell female receptacle, as
shown.
18
1
36
19
INIT* signal
When the printer is using the parallel interface and it receives an INIT* signal, it initializes as follows:
•
It prints the data received before INIT*, and then initializes.
•
It returns variable defaults to the values stored in the user default settings.
•
It returns fixed default settings to the factory values.
•
It retains permanent downloaded fonts and macros, but deletes temporary downloaded fonts and macros.
•
The link buffer remains intact.
•
Variable default paper size settings become the active paper formatting size.
•
If paper is loaded with auto size sensing, then the printer resets the default paper formatting size to the size
of the paper in the tray.
Notes:
•
INIT* is not honored when Hex Print is active.
•
INIT* causes the parallel interface to go busy. The printer processes INIT* when the parallel interface
becomes active and all preceding characters have been processed.
Computer
‑
to
‑
printer communications
Standard parallel connector
The cabling in the following illustration supports Standard and Fastbytes protocols and IEEE 1284 Nibble, Byte,
and ECP protocols.
18
36
1
19
14
1
25
13
Printer
Side
36-Pin
D-Shell
Connector
(Male)
Computer
Side
25-Pin
D-Shell
Connector
(Male)
IEEE 1284-A
IEEE 1284-B
Printer interfaces
134