6. TROUBLESHOOTING
EO18-13004
6.1 Troubleshooting Procedure
6- 1
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:
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.
●
Cause:
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.
●
Check Method: Describing the check methods to specify the cause of the problem.
●
Solution:
Follow the solution described in this column.
Following the above-mentioned procedure allows an efficient troubleshooting with few misjudgement.
6.2 Troubleshooting Guide
Power Supply Failure
Phenomenon Cause Check
method
Solution
The AC adapter is not
connected.
-----
Connect the specified
AC adapter.
No power is supplied.
(Power lamp does not
light.)
The fuse has blown.
Check whether any
unspecified AC adapter
is used.
Use the specified AC
adapter, and replace the
control PCB ass’y.
The control PCB ass’y
has a problem.
-----
Replace the control PCB
ass’y.
The fuse immediately
blows after replaced with
a new one.
The circuit drive power
is abnormal.
With a DC voltmeter,
measure the circuit drive
voltage.
Replace the control PCB
ass’y.
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.
