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Chapter 5. Testing and Problem Analysis – Models TI5 and
TG5
DANGER
To avoid a shock hazard, do not connect or disconnect any cables
or perform installation, maintenance, or reconfiguration of this
product during an electrical storm.
DANGER
To avoid shock hazard:
The power cord must be connected to a properly wired and
earthed receptacle.
Any equipment to which this product will be attached must also
be connected to properly wired receptacles.
Note: For translations of these safety notices, see IBM Safety Information — Read
This First, GA27–4004.
Testing the Printer
When you power on the SureMark printer, it runs a power-on self-test (POST). If the
POST finds no errors, the printer is ready for operation. Follow this procedure to
determine if there are errors.
Note: Never connect or disconnect the printer when power is applied (when LEDs
are on).
1. If the printer is powered on, power off the printer and power it on again.
v If the printer is attached to the system with the RS-232 cable or the standard
USB cable with a power brick, disconnect the power cord, then reconnect the
power cord to a properly wired and grounded power source.
v If the printer is attached to the system with the RS-485 cable, power off the
POS system, and then power on the system, which also powers on the
printer.
v If the printer is attached to the system with a powered USB cable, the
USB-attached printer can be hot-plugged.
updated March 18, 2002
© Copyright IBM Corp. 1999,2001 55
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