Printer does not function – CognitiveTPG A798 User Manual

Page 27

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Chapter 4: Using the Printer

27

11/2012

A798-UG00001 Rev. D

A798 Thermal Receipt Printer: User Guide

Printer does not function

Condition

Possible Causes

What to Do

Where to Go

Printer does not function Printer not plugged in

Check that printer cables

Chapter 3: Setting up the printer,

when turned on

are properly connected

“Connect the cables” (See page 14)

on both ends

Check that the host

Chapter 3: Setting up the printer,

or power supply is

“Connect the cables” (See page 14)

getting power

Receipt cover not

Close and latch the

fully closed

receipt cover

Printer stops functioning

Printhead has overheated Allow the printhead to

Chapter 4: Using the Printer,

cool down

“Preventing overheating of the

printhead” (See page 24.)

Interrupted data signal

Ensure the standard USB

over USB connection

cable is no more than 5

meters long, with no

extensions; eliminate hubs

Faulty USB port

Plug cable into another USB

port on host computer

Interruption of data

RS-232C mode not

Printer had previously

Reset printer and check normal

working

been connected to

RS-232C faults.

USB host

Printer goes off-line

USB cable is not

If printer doesn’t

Chapter 3: Setting up the Printer,

(red LED on USB connector connected properly

auto-recover after 5–20

“Connect the cables” (See page 14)

is on or off)

seconds, reconnect the

USB cable, reset the

printer, and reboot the

host computer; check that

USB cable are properly

connected on both ends

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