7-1
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Maintenance service
7. MAINTENANCE SERVICE
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For the IJ printer to operate smoothly, the following maintenance work is necessary.
No.
Consumable
Replacement guideline
Replacement procedure description
1
Ink filter
2,400h
"6.7 Replacing the ink filter"
2
Recovery filter 1
1,200h
"6.8.1 Replacing the recovery filter 1 "
3
Recovery filter 2
1,200h
"6.8.2 Replacing the recovery filter 2 "
4
Air filter
2,400h
"7.(4) Replacing the circulating air filter"
5
Controlling
Air filter R
4,800h (L)
2,400h (R)
"7.(5) Replacing the controlling air filter"
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In the case of standard operation (8 hrs/day, 25 days/month operation), 2400 hours corresponds to
1 year.
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The minimum retention period of IJ printer repair parts, including consumables, is 7 years after
discontinuation of manufacture.
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When ordering consumables, please specify the following order name and part code No.
No.
Consumable
Order name
Part code No.
Remarks
1
Ink filter
Filter capsule parts
451867
2
Recovery filter 1
Mini filter
451857
2 pcs/pack
3
Recovery filter 2
Nozzle flat filter 75
451037
4
Air filter
Air filter AF3 parts
451963
2 pcs/pack
5
Controlling
Air filter R
Air filter AF4 parts
-
2 pcs/pack
(2) Other maintenance
a. About once a week, check whether or not the pump makes an abnormal sound (metal sound, etc.).
b. Before performing print state check at the start of operation, check whether or not the pressure is
suitable.
(See par. “6.9 Adjusting the pressure” for a description of the check procedure.)
c. For a description of ink drops and excitation voltage checks, see pars. “6.10 Excitation V adjust-
ment” and “6.11 Ink drops state check method”.
(3) About periodic replacement parts
a. To use the IJ printer stably, clock battery, circulation system parts (pump, solenoid valve, etc) and
heating unit must be periodically replaced. Please consult your nearest local distributor.
Use Hitachi approved consumables and periodic replacement parts.
Using products that are not designated by Hitachi could cause s failure in certain
functions.
CAUTION
(1) Replacement of consumables
Replace the following filters according to the “Replacement guideline”.