Rev. B Preparation for Shipment 6-1
TM-U220 Type A Service Manual
Confidential
Chapter 6
Preparation for Shipment
Follow the instructions below before sending the printer back to the customer.
Inspection and Maintenance
Perform inspection and maintenance procedures described below properly to allow this unit to
operate for the years of trouble-free operation for which it is designed.
Maintenance Procedures
The inspection procedures described in the below table.
Cleaning
How to Clean the Cases
WARNING:
To avoid electric shock, be sure to disconnect the power cord from the electrical outlet.
Use a dry cloth to wipe away dirt. If the dirt proves difficult to remove, slightly moisten the
cloth with water or a mild detergent solution.
CAUTION:
Never clean the case with disinfectant, bleach, alcohol, benzene, thinner, chlorine, or
ketone; otherwise the dirt may become difficult to remove. Also, these chemicals may
cause the case to discolor, dissolve, or deform.
Periodic Inspection
Checkpoints Standards Remedies
Dust, paper particles, or dirt
on and in the printer
Do not allow dust, paper particles, or dirt
to build up on or in the printer.
Clean the printer thoroughly with a
vacuum cleaner.
Do not leave small pieces of paper in the
paper path.
Remove any pieces of paper from the
paper path.
Lubrication See the explanations in this chapter.
Lubricate the points shown in the
diagrams.
Operation check
When you check each printer
component, you should find no
abnormalities.
Check the printer following “Repair
Guide,” in Chapter 2.
Shape of the springs No spring should be bent or deformed. Replace any deformed springs.
Ribbon cassette
The ribbon cassette should be properly
installed in the printer.
See “Installing or Replacing the Ribbon
Cassette” on page 1-7.
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