Specifications

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Writing ROM A
This message appears when the printer is accessing data stored
in the ROM module in slot A. You can continue printing after the
printer finishes this job, which normally requires about three
minutes.
Hex Dump Mode
Hex Dump mode (also called data dump) is a special feature that
makes it easy for experienced users to find the cause of
communication problems between the printer and the computer.
In the Hex Dump mode, the printer produces an exact printout of
the codes it receives.
Follow these steps to print in the Hex Dump mode:
1. Make sure that paper is loaded and the printer is off.
2. Hold down the Form Feed button while you turn on the
printer. Make sure you hold the button down until you see
the message HEX Dump on the LCD panel.
3. Run any program that causes the printer to print. Your printer
prints out all the codes it receives in hexadecimal format.
Note:
Before entering the Hex Dumpmode, turn offthe printer monitoring
function of the EPSON Status Monitor 3 utility software by
clearing the Monitor the printing status check box in the Utility
menu of the printer driver, as this function interferes with printing
in the Hex Dump mode.
To disable the Hex Dump mode, turn off the printer or reset it by
pressing and holding down the Alt and Reset buttons at the same
time. When Reset All appears on the LCD panel, release the
buttons.