Hitachi PXR Series, Brochure & Specs

Page: 10 / 11

P X R S E R I E S
Ink and Makeup Ink Consumption MEMO
Hitachi IJ printers reduce the running cost for printing.
17 18
Ink and makeup ink consumption
Calculating examples (Rough indication)
Ink quantity used by printing
× × ×
Mean ink volume
1 ink drop
Mean dot number
1 character
Number of characters
1 print object
＝
Production number
1 month
…
Makeup ink consumption
by vaporization
× ×
×
Mean vaporizing volume
of makeup ink
1 hour
Operating hours
1 day
Operating days
1 month
＝
…………………
Ink quantity for periodic
replacement
× ＝
Operation hours / day
…………
Ink quantity per replacement
(cm
3
/replacement)
[Note]
●
Above calculations are an estimate based on ambient temperature of 20
°
C
●
Ink quantity for periodic replacement is a case when the operating hours is more than 200 hours.
★ In case the operating hour is less than 200 hours, please use following formula to calculate the ink quantity for periodic replacement.
Ink quantity for periodic replacement ＝ Ink quantity per replacement (cm 3 /replacement)
×
200 (hour/month)
Ink life (hours)
〈
Example
〉
65
µ
m nozzle, JP-K67 ink, 8 characters/printing, 5
×
7 font, 6M pcs/month, 16 hours/day, 25 days/month operation
Ink quantity
used by printing
Makeup ink
consumption by
Evaporation
＝ ＋（ Ink quantity for printhead cleaning ）
＝ 5 （ cm
3
／ hour ） × 16 （ hours ／ day ） × 25 （ days ／ month ） ＋ （ Ink quantity for printhead cleaning ）
＝
2,000
（
cm
3 ／
month
） ＋ （
Ink quantity for printhead cleaning
）
＋ 400 （ cm 3 ） ×
16hours ／ day × 25 （ days ／ month ）
1 ， 200hours
＝ ＋ ＝〔 8.3 × 10 − 7 （ cm
3
／ dot ） × 15 （ dots ／ character ） × 8 （ characters ／ pcs ） × 6 × 10
6
（ pcs ／ month ）〕
≒ 598 （ cm
3
／ month ） ＋ 134 （ cm
3
／ month ） ≒ 732 （ cm
3
／ month ）
Mean ink drop volume of each nozzle diameter
Nozzle diameter (
µ
m )
Mean ink volume (cm
3
/dot)
40
2.8 × 10
-
7
55
5.3 × 10
-
7
65
8.3 × 10
-
7
100
3.4 × 10
-
6
Mean dot number of each alpha numeric font
Font
Mean dot number/character
5 × 5
11
5 × 7 , 5 × 8
15
7 × 10
23
9 × 7
15
12 × 16
78
18 × 24
154
24 × 32
288
1
1
2
2
3
3
Operating days / month
Ink life (hours)