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Part 1: Safety and Precautions
2.3 Printer Precautions
2.3.1 Preventing deformation of the spur tip
Do not touch the tips of the spurs. The spurs transfer and eject the paper after
printing. They have a delicate structure and could be easily deformed. Since the tip
of the spurs have a very small contact surface with the paper, the ink adhering to the
spurs is minimal. The spur cleaner wipes off the adhered ink from the spurs to
prevent smudges on the paper. If the spurs are touched and the tip of the spurs
become deformed, the contact surface with the paper might increase, causing more
ink to adhere to each spur. As a result, should the spur cleaner fail to wipe the ink
from the spurs completely, a dotted-line smear may be printed on the paper or a trace
may be produced. If this happens, replace the spur unit with a new one.
Spurs
2.3.2 Static electricity damage prevention
Never touch the electrical contacts to the cartridge of the carriage ribbon cable. Any
static electricity produced by clothing and friction could damage the electrical
components or change their electrical characteristics.
Contact Points
Figure 1-11 Electrical Contacts of Carriage Ribbon Cable
Spur Cleaners
Figure 1-10 Spurs
1-8
BJC-5000
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