Specifications

7193 Service Guide Chapter 2: Installing the Printer
August 1998 9
Parallel Switch Settings
When switch 1 is set to Off, the printer is on-line and ready to communicate with the host
computer. For systems using non-standard ACK handshaking, this option is on Switch 2.
DO NOT select the ACK handshaking option without fully understanding your system
requirements.
Switch 1 Switch 2 Switch 3 Switch 4 Switch 5 Switch 6 Option
Off On Off Off Off Off ACK Handshaking (On-line)
Off Off Off Off Off Off Standard Busy Handshaking
(On-line)
Caution: The switches can also be used for setting other functions and tests. Be careful
when setting the switches for the Data Buffer settings that you do not accidentally change
the settings for the other functions and tests.
Note: The Data Buffer option is set with the printer in the setup mode. See the table below,
and see “Level 1 Diagnostics” in the “Diagnostics” chapter for more information.
Switch 1 Switch 2 Switch 3 Switch 4 Switch 5 Switch 6 Option
On Off On Off On Off 4K Byte Data Buffer (Default)
On Off On Off On On One Line Data Buffer