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Chapter 5: Troubleshooting
The simple design of A776II requires virtually no periodic servicing. However, if problems do occur, they can usually
be diagnosed readily by checking the light status indicators, below, then referring to appropriate section of the
Troubleshooting guide on the following pages. For additional technical support, you can use the interactive Printer
Troubleshooting Guide on our website, www.CognitiveTPG.com.
Status Indications
The online paper status error light is the light to the
rear, on the top edge of the printer. It may be the first
indication that something is wrong.
The light closer to the front on the right edge of the
printer indicates that a form is inserted properly. It does
not indicate an error.
For some unexpected conditions, the printer
communicates the information to the host computer
and relies on the application to tell the user that the
printer has a problem.
The following pages describe common conditions that
you could encounter and easily fix yourself. A few may
require that you contact a service representative. See
"Contacting a service representative" on page 34.
Typical Remedy Procedure
If an unexpected condition has occurred, take the
following general steps:
1.
Cycle the power of the printer and note its behavior.
2.
Check the online paper status error light and
compare the indications to the following table.
3.
Test the receipt printer or slip printer as described
on page 14.
4.
Determine if the condition is with the thermal
receipt printer or the impact slip printer and refer to
the tables on the following pages.
A776 2UG0001 B 11/2016
Chapter 5: Troubleshooting
Online light indications
Off
Fast blink
Fast blink
Fast blink
Slow blink
Steady On
Receipt
Front Cover
Slip or check
Status indicators
A776II Two-Color Thermal/Impact Hybrid Printer: User Guide
29
Printer status
No power
Firmware download
Level 0 diagnostics:
Occurs at power on and
on reset
Cover open, receipt or
slip
Paper out
Carriage jam
Slip jam
Knife jam
Paper low
Temperature error
Voltage error
All other states
On-line,
2
Paper status,
Error Light
(green)
Receipt Cover
1
Paper Feed Button
3
Slip in Light (green)
4
Reset Button
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