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6. TROUBLESHOOTING
6. TROUBLESHOOTING
6.1 Troubleshooting Procedure
When a trouble occurs, confirm its phenomenon, locate a defective part in accordance with Section 6.2
Troubleshooting Guide, and troubleshoot as described below.
● Phenomenon:
● Cause:
● Check Method: Describing the check methods to specify the cause of the problem.
● Solution:
Following the above-mentioned procedure allows an efficient troubleshooting with few misjudgement.
6.2 Troubleshooting Guide
Power Supply Failure
Phenomenon
No power is supplied.
(Power lamp does not
light.)
The fuse immediately
blows after replaced with
a new one.
If the fuse blows with the specified AC voltage supplied to the AC adapter, it is likely that the print head
unit or control PCB ass'y has a problem. Replace faulty one. At the same time, check the wiring of the
drawer and the interface cable.
Find the corresponding phenomenon from this column. If there are multiple
phenomena, take all the corresponding items into consideration. This may
indicate a hidden faulty part.
Listing the probable causes as many as possible. Guess the cause of the
problem out of them and take check method to find the cause.
Follow the solution described in this column.
Cause
The AC adapter is not
connected.
The fuse has blown.
The control PCB ass'y
has a problem.
The circuit drive power
is abnormal.
Check method
-----
Check whether any
unspecified AC adapter
is used.
-----
With a DC voltmeter,
measure the circuit drive
voltage.
6- 1
EO18-13004
6.1 Troubleshooting Procedure
Solution
Connect the specified
AC adapter.
Use the specified AC
adapter, and replace the
control PCB ass'y.
Replace the control PCB
ass'y.
Replace the control PCB
ass'y.
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