Epson IR-320, Техническое справочное руководство

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6-6 Device Diagnostics Utility Rev. C
Confidential
DM
The
DM
area on the screen indicates the communication settings and status of the DM display.
COM port information
The area of the screen for COM ports lists the DTR, DSR, RTS, CTS, DCD, and RI status for each
available COM port. When the port is disabled, a message to that effect is shown.
LPT port information
The LPT1 area of the screen lists the BSY, ACK, PE, SLCT, and ERR status for the LPT1 port.
When the port is disabled, a message to that effect is shown.
Table 6-4 DM Information
Setting Description
DM port Indicates the port the device diagnostics utility is using to transmit data.
Baud rate Indicates the baud rate that the device self-diagnostic utility is using to communicate
with the customer display.
Word length Indicates the word length that the device self-diagnostic utility is using to communicate
with the customer display.
Parity Indicates whether the device self-diagnostic utility is using parity to communicate with
the customer display.
DM status Indicates DM status. See the table below.
Table 6-5 DM status messages
Message Description
Disable COM port A is not set at 3F8h. Set COM port A to 3F8h in setup.
No communication The device self-diagnostic utility cannot communicate with the customer display. Check
the following items.
❑ Is the customer display connected? Before connecting the cable, be sure to power off
the IR-320.
❑
Are the data communication DIP switches the same for the customer display and the TM
printer?
❑
Is the power switch of the customer display turned on?
❑
Is the customer display executing the self-test? (Do not execute the self-test.)
If the customer display does not meet these conditions, correct the problem, and select the
Initialize option from the menu bar. If all the above conditions are satisfied, probable
causes are the following.
❑ The customer display interface circuit of the IR-320 does not operate normally.
❑ The customer display does not operate normally.
Busy The customer display is busy. Probable causes are the following.
The customer display is executing the self-test.
After startup of the device self-diagnostic utility, the customer display has been powered
off.
Ready The DM display is ready to receive data. The DM display test is possible.