Lexmark E220 Service Manual - Page 161

E320/E322, Parallel protocol

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4500-E320/E322 Parallel protocol The printer supports two parallel protocol settings: standard and fastbytes. When the protocol is set to standard, information is received at a normal transmission rate. When the protocol is set to fastbytes, information is received at a much faster transmission rate provided the host computer supports the fastbytes mode. Perform the following steps to change the parallel protocol setting: 1. Enter the configuration mode. See "Configuration mode" on page 3-14 for more information. 2. Perform a double button press two times. This moves to the parallel protocol item on the configuration menu. The parallel protocol (Load Paper) light comes on solid. 3. The current parallel protocol setting is indicated by the off/on/auto (Press Button) light. When the light is off, the parallel protocol is set to standard. When the light is on, the parallel protocol is set to fastbytes. Perform a brief button press to select the parallel protocol setting. 4. Perform a long button press. All lights blink once, indicating the setting is saved. 5. Exit the configuration mode by turning the printer power off. Off/on/auto ❍ ● Setting value Parallel port uses Standard protocol. Parallel port uses Fastbytes protocol. Diagnostic aids 3-25

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Diagnostic aids
3-25
4500–E320/E322
Parallel protocol
The printer supports two parallel protocol settings: standard and
fastbytes. When the protocol is set to standard, information is
received at a normal transmission rate. When the protocol is set to
fastbytes, information is received at a much faster transmission rate
provided the host computer supports the fastbytes mode.
Perform the following steps to change the parallel protocol setting:
1.
Enter the configuration mode. See
“Configuration mode” on
page 3-14
for more information.
2.
Perform a double button press two times. This moves to the
parallel protocol item on the configuration menu. The parallel
protocol (Load Paper) light comes on solid.
3.
The current parallel protocol setting is indicated by the
off/on/auto (Press Button) light. When the light is off, the parallel
protocol is set to standard. When the light is on, the parallel
protocol is set to fastbytes. Perform a brief button press to select
the parallel protocol setting.
4.
Perform a long button press. All lights blink once, indicating the
setting is saved.
5.
Exit the configuration mode by turning the printer power off.
Off/on/auto
Setting value
❍
Parallel port uses Standard protocol.
●
Parallel port uses Fastbytes protocol.