PXR SERIES
Ink and Makeup Ink Consumption MEMO
Hitachi IJ printers reduce the running cost for printing.
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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 µm 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 ( µm )
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)
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