Maintenance Service - Hitachi UX Twin-Nozzle Technical Manual

7. MAINTENANCE SERVICE

● For the IJ printer to operate smoothly, the following maintenance work is necessary.
Use Hitachi approved consumables and periodic replacement parts.
Using products that are not designated by Hitachi could cause s failure in certain
functions.
(1) Replacement of consumables
Replace the following filters according to the "Replacement guideline".
No.
1
2
3
4
5
● In the case of standard operation (8 hrs/day, 25 days/month operation), 2400 hours corresponds to
1 year.
● The minimum retention period of IJ printer repair parts, including consumables, is 7 years after
discontinuation of manufacture.
● When ordering consumables, please specify the following order name and part code No.
No.
1
2
3
4
5
(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.
7-1 ●Maintenance service
Consumable Replacement guideline
Ink filter
Recovery filter 1
Recovery filter 2
Air filter
Controlling
Air filter R
Consumable
Ink filter Filter capsule parts
Recovery filter 1 Mini filter
Recovery filter 2 Nozzle flat filter 75
Air filter Air filter AF3 parts
Controlling
Air filter AF4 parts
Air filter R
CAUTION
2,400h "6.7 Replacing the ink filter"
1,200h "6.8.1 Replacing the recovery filter 1 "
1,200h "6.8.2 Replacing the recovery filter 2 "
2,400h "7.(4) Replacing the circulating air filter"
4,800h (L)
"7.(5) Replacing the controlling air filter"
2,400h (R)
Order name Part code No.
Replacement procedure description
Remarks
451867
451857 2 pcs/pack
451037
451963 2 pcs/pack
- 2 pcs/pack