Star Micronics LS-5 SERIES, Technical Manual

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TROUBLESHOOTING
Chapter 4. Maintenance
Guide
1. Troubleshooting Procedures
Troubleshooting can be carried out most effectively by first confirming the problem, and checking the various factors
involved in advance, before using FIP (Fault Isolation Procedure) to pinpoint the problem.
1-1. Flow of Breakdown Recovery Steps
The following flowchart shows the steps taken when a breakdown occurs.
Confirmation of
conditions/problem
Advance confirmation
Start
Level 1 FIP
Level 2 FIP
Confirmation of
breakdown recovery
Preventive maintenance
End
1-2. Advance Confirmation
Before beginning troubleshooting operations, always check the items noted below.
a.
Make sure the power supply voltage is within the specified values. (Measure the voltage at the power supply outlet.)
b. Make sure the power cord has not been damaged, shorted, or disconnected, and that it is connected correctly.
c. Make sure the equipment has been grounded properly.
d. Avoid installing the printer in a location where it is exposed to extremely high or low temperatures, high or low
humidity, or sudden changes of temperature.
e. The printer should not be located in a hot or humid area (such as near a water faucet or humidifier), near open flames,
or in a dusty place.
f. The printer should not be exposed to volatile gases or combustible gases.
g. The printer should not be exposed to direct sunlight. (If it has to be placed in a sunny location, the window should
be curtained.)
h. The room should be well ventilated.
i. The printer is installed on a solid, level surface.
j. The recommended paper is being used. (if the paper is too thick or too thin, or tends to curl, paper jams or transfer
problems may occur, or prints may be blurred.