Self-Test Mode - Epson TM-T88 Series Technical Reference Manual

Self-test Mode

In the self-test mode, the printer prints the current printer status and a rolling pattern test print of resident
characters.
The current status print includes the following information:
• Control software version
• Serial number
• Interface type
• Receive buffer size
• BUSY condition
• Built-in fonts
• Auto line feed enabled/disabled
• Print density
• Power ON status transmission enabled/disabled
• Paper width to be set
• Media type detection
• Type of paper
• Stop position when Label cutting
• Setting status of paper removal standby
• Various sensor values
• Print speed to be set
• Top margin length
• Maintenance information
• Memory switch settings
Follow the procedures below.
1
Close the roll paper cover.
2
While pressing the Feed button on the control panel, turn on the printer. (Hold down the Feed
button until printing starts.)
After printing the current print status, a Continuing self-test guidance is printed, and the Power LED flashes.
3
Briefly press the Feed button (less than one second) to continue the self-test.
The printer prints a rolling pattern on the roll paper, using the built-in character set.
After "*** completed ***" is printed, the printer initializes and switches to standard mode.
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