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2 printer operation, Printer operation – Dascom TallyCom III Installation & Operators Guide User Manual

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CU Indicator

The CU indicator has 3 states which signal the following:

State

Indication

OFF

No contact to the control unit (no power) or the
contact has been broken for more than 1 minute

ON

Contact with the control unit

BLINKING

The printer is not ready and print may be pending in
the buffer.



LAN Indicator

The LAN indicator has 3 states which signal the following:

State

Indication

OFF

No communication with the Printserver on the
network.

ON LAN

is

connected

BLINKING

LAN is searching for a connection (powerup phase)



PRT Indicator

The PRT indicator signals the following:

State

Indication

OFF

Data channel to printer is idle

ON

Data is being transmitted to/from the printer



Host Connection

Be sure to turn the printer power OFF first, then plug the host cable into the socket on the rear panel.

3.2 Printer Operation

Many IBM printers are fully controlled from the front panel. To emulate the IBM front panel on the
Printserver, FSL (Function Selected via the Line) commands are required. These commands are sent
using FSL escape sequences. Information on the Escape Character used with FSL escape
sequences is found in the section on The Escape Character. The next chapter (Programming the
Printserver) describes the structure of the commands and their effect upon the printer.

If a change in paper size or CPI or LPI is made using the printer front panel this will take precedence
over changes made using FSL. At power up the printer values for these are parameters are sent to
the Printserver as default values.

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