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Inspection and Maintenance
Proper performance of the inspection and maintenance procedures described below allows this
unit to perform for the years of trouble-free operation for which it is designed.
Maintenance Procedures
The inspection procedures described here are divided between two types: daily inspection,
which can be performed by those who use the unit on a daily basis, and periodic inspection, to
be performed by individuals who have a more detailed technical knowledge of the unit.
Daily inspection
Inspection item
Setup
Check for proper installation of roll
paper and ribbon cassette. Is the
ribbon passing along the proper route?
Check the ribbon for damage.
Reconnect any cables that have
come loose.
Correctly install roll paper and the
ribbon cassette.
Replace the ribbon cassette, if
damaged.
Paper particles, paper
scraps, foreign matter
Open the roll paper cover and make
sure there are no large pieces of paper
or other foreign matter present.
Clean out any paper or foreign
matter.
Periodic inspection
Checkpoints
Standards
Remedies
Dust, paper particles, or
dirt on and in the printer
No dust, paper particles, or dirt should be
allowed to build up on or in the printer.
Clean the printer thoroughly with a
vacuum cleaner.
No small pieces of paper should be
left in the paper path.
Remove any pieces of paper from
the paper path.
Lubrication
See the “Lubricants” section.
Lubricate the points listed in the
“Lubrication Points” section.
Operation check
When each printer component is
checked, no abnormalities should be
found.
Check the printer following the
Troubleshooting flowcharts in
Chapter 4.
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 “Replacing the Ribbon Cassette”
in this chapter.
Check for proper connection of cables.
Action
Summary of Contents for UP-250
Page 1: ...EXTERNAL PRINTER FEB 2000 MODEL UP 250 without price TECHNICAL MANUAL ...
Page 95: ... 86 END END Yes No Action 4 Replace main PCB Replace printer OK Action 4 mechanism assembly ...
Page 136: ... 127 ...
Page 149: ... 140 Main Circuit Board Parts Layout ...
Page 150: ... 141 RS 232 Serial Interface Circuit Board Parts Layout ...
Page 151: ... 142 IEEE 1284 Parallel Interface Circuit Board Parts Layout ...
Page 152: ...RS 485 Serial Interface Circuit Board Parts Layout 143 ...
Page 160: ... 151 Case Unit Lubrication Points Diagram 4 G 31 4 G 31 3 G 31 3 G 31 ...
Page 163: ... 154 EXPLODED DIAGRAM FOR TM U200B U210B NO 1 ...
Page 164: ... 155 EXPLODED DIAGRAM FOR TM U200B U200PB U210B U210PB NO 2 ...