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CHAPTER 3
MAINTENANCE AND REPAIR
3-1. MAINTENANCE
1) Cleaning
Perform periodic cleaning about once every three month* and
remove small piece* of the recording papers, dust etc.
{The points on cleaning)
© When cleaning, it is desirable to absorb small pieces of
paper dual etc. (use electric vocoum cloanorj
CD
Be sure to use soft brush (don't use metallic brushes) for tho
printing head cleaning. However, be careful not to damage
rhc printing head surface.
© Usa acetone, alcohol or benzine for removing din Don't u»-
thinner, irycbroioethylcno. kent type advents since thoro
are possibilities of damaging the plastic p«*»
© Supply grease whom it has boon oahausted or where it i*
Short in supply |Oon't apply grease or lubricants to the
point unless specified.)
2) Recording paper
Use the recommended paper
3-2. REPAIR
1) Repairing procedures
© "Phenomena'': Find out tho phonomona of the failures from
this column.
© "Condition"
. Compare tha faulty stele vwlh this column
end confirm whethor it ia identical with it or
not
@ "Cause"
: As the causes depending on the faulty
stale* have been described, confirm where
tho causo of the fault is attributed to
0 "Checking point and chocking method"
: Since the point and how to check the
structure which causes the fault have boon
enumerated perform checking in accordance
with the instructions in thi* column to find
the faults
0 "Repairing method"
Perform repair of the point at fault In
accordance with the instruction* in this
column.
When the same phenomena or conditions
am still found even after tho repair, repair
should be carried out by checking the other
items of the cause column.
?) Repair tools
• Dover* (Precision screwdrwer. Philips heod driver)
• Radio pliers or load pliors and nipper
• Tweerer* (Us* ones with straight and sharp points.)
• ET holder (Nominal diameter 1.5, 2. and 2.5)
• Cotton applicator
PRN T24(AEI
3-1
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