Troubleshooting; Troubleshooting Procedure; Troubleshooting Guide - Toshiba TRST-A10 SERIES Maintenance Manual

7. TROUBLESHOOTING

7. TROUBLESHOOTING
This chapter provides tables to help in determining the cause of printer malfunctions.
7.1

TROUBLESHOOTING PROCEDURE

When trouble occurs, confirm it's phenomenon, locate a defective part in accordance
with Section 6.2 of the Troubleshooting Guide, and troubleshoot as described below.
•
Phenomenon:
•
Cause:
cause
•
Check Method:
•
Solution:
Following the above-mentioned procedure allows for more efficient troubleshooting with fewer errors in
judgment.
7.2

TROUBLESHOOTING GUIDE

Power Supply Failure
Phenomenon
No power is
supplied.
(Power lamp does
not
light.)
Printing Failure
Phenomenon
No Printing
Void Printing
(Paper comes out,
but no characters
are printed on the
paper)
Blurred or uneven
print
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
Of the problem out of them and take check method to find the
cause.
Describing the check methods to specify the cause of the problem.
Follow the solution described in this column.
Cause
The AC adapter is not
connected.
The fuse has blown.
Cause
Faulty connection of the
print head connector.
Faulty connection of the
print head connector.
Foreign object is
attached to the print
head.
Faulty print head.
7-1
7.1 TROUBLESHOOTING PROCEDURE
Check method
-----
Check whether any
unspecified AC
adapter
is used.
Check method
Check the
connection of the
print head
connector.
Check the
connection of the
print head
connector.
Check whether any
foreign objects are
attached to the
print head.
-----
EO18-13005
Solution
Connect the specified
AC adapter.
Use the specified AC
adapter, and replace
the
Main PCB.
Solution
Connect the print head
connector properly. Or
replace the Main PCB
and/or Print Block.
Connect the print head
connector properly. Or
replace the Main PCB
and/or Print Block.
Clean print head with
cotton swab or soft
cloth slightly moistened
with ethyl alcohol.
Replace the Print
Block.