i
TM-L90 Service Manual
Confidential
Revision Table
Rev.
Page
Description
Rev. A
all pages
Newly authorized
Rev. B
viii
Add the information of the related documentation
Reason for change:
The “TM Service & Support Tool“ is release.
1-1
Add the “power supply unit type in the ”specifications and configurations.
Exclusive external power supply unit: PS-175 (North America only) or PS-180 (power
supply packaged specification only).
External power supply unit: Model PS-180 and PS-170.
Reason for change:
Missing information.
2-2
Added the sentence below to the explaination “Paper is jammed inside the
printer”.
{Please confirm to be attached the holder guide sheet C(#182) and D(#183) when
the paper is jammed in spite of doing the above steps. (Refer to Appendix D-12.)}
Reason for change:
The parts “Holder guide sheet C(#182) and Holder guide sheet D(#183)“ were
provided in order to prevent the paper from jamming.
Add the “before servicing“ and “diagnosing failures“.
Reason for change:
To make the explanation easier to understand.
2-3
Change the “Troubleshoting Fliowcharts“ to the “simptoms and solutions”.
Reason for change:
To make the explanation easier to understand.
2-5
Add the explanation to the ”paper layout error” that is the automatically
recoverable errors of the ”Troubleshooting using the ERROR LED”
Reason for change:
Missing information.
2-6
Add the below explanation to ”Autocutter error” that is the automatically
recoverable errors of the ”Troubleshooting using the ERROR LED”
❏
Check the cutter motor sub-assembly. (see page 2-8.) Replace the motor and
the main circuit board unit if the cutter motor sub-assembly has been shorted.
(See page 3-39, 3-13.)
❏
Replace the main circuit board unit to see if the printer is repaired. (See page 3-
13.) If the printer is repaired, analyze the defective part by referring to “Main
Circuit Board Unit Test Points“ on page appendix F-6.
Reason for change:
Missing information.
2-8
Add the “test points on the printer mechanism“.
Reason for change:
Because of changing chapter 2.
3-17
Add the “inslating tape“ to fix ferrite core.
3-37
Add two spacers on the illustration.
