Reading The Printer's Status; Introduction; Date And Time; Memory - Intermec EasyCoder E4 Programmer's Reference Manual

Chapter 7

Reading the Printer's Status

1. Introduction

2. Date and Time

3. Memory

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Provided that two-way communication is working between the
printer and the host computer, the printer's status with regard
to various functions can be returned to the host. This implies
that the serial channel "uart1:" must be selected standard OUT
channel (Default, see SETSTDIO command in Chapter 6.2).
The PRINT command returns information about the printer's
status via the standard OUT channel to the host, where it will
usually be printed on the screen. A complementary command
specifi es the type of information to be returned. The shorthand
version of PRINT is a question mark (?).
PRINT | ?
The current date and time according to the printer's clockcalen-
dar can be read as follows:
? DATE$
? TIME$
Various parts of the printer's memory can be tested by reading the
result of a FUNCTEST$ command:
? FUNCTEST$ ("<RAM>|<CARD1>|<CARD2>")
<RAM>
<CARD1>|<CARD2> checks an inserted memory card and returns
EasyCoder E4 Direct Protocol v2.10 – Programmer's Reference Manual
or ? DATE$("F")
or ? TIME$("F")
returns the result of the power-up RAM test.
either "CARD NOT PRESENT", "CARD
OK", or "CARD FAIL".