12-1 ●Maintenance
12. Maintenance
1 Ink filter 2,400 hr "7.9 Ink Filter Replacement"
3 Recovery filter 1,200 hr "7.10 Recovery Filter Replacement"
4 Air filter 2,400 hr See the next page.
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To maintain the IJ printer in an optimum operating condition, it is necessary to
perform the following maintenance programs.
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If you use the JP-K31A, you have to perform maintenance programs other than
stated below. See "(4) Ink differences and handling precautions" (1.2.1 Notes on
ink and makeup ink).
(1) Consumables replacement
Periodically replace the following filters.
Approximate
Replacement procedure
No. Consumable replacement
reference section
intervals
2 Circulation filte
r
2,400 hr "7.11 Circulation Filter Replacement"
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Operating time of 2400 hours is equivalent to a 1-year operation that is
performed 8 hours a day, 25 days a month.
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The minimum retention periods of replacement parts (including consumable
parts) are 7 years after closing manufacturing.
¡When you order consumable parts,inform the parts name and the parts code.
No. Consumable Parts name Parts code
Note
1 Ink filter
3 Recovery filter
Nozzle flat
451037
filter 75
4 Air filter Air filter parts 451594 3 pieces/1 pack
2 Circulation filter
PTFE filter
451487 2 pieces/1 pack
20 pack 2
Ink filter parts 451590 Nominally 10 μm
(2) Other maintenance programs
a. Check for abnormal sound generation from the pump at about 1-week
intervals.
b. Before verifying the print results at the beginning of each day's operations,
check that the pressure value is optimal. (For the verification procedure,
see Section 7.12, Pressure Adjustment.)
c. For ink drop and excitation voltage checkout, see Section 7.13, Excitation
Setting Adjustment , and Section 7.14, Ink Drop Generation Status
Checkout Procedure.
(3) Parts to be replaced periodically
The clock battery, circulation system parts (pump, solenoid valve, etc.), and
heating unit need periodic replacement. Consult your Hitachi distributor.
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