Hitachi PXR-D User Manual

1-32 ● Connection of signals
(b) When a dedicated power supply is used
If the print target detector current consumption is more than 80 mA, furnish a dedicated
power supply. In this instance, make wiring connections and perform setup as indicated
below.
(i) Print target detector wiring method
(ii) Setup procedure
Turn OFF switch SW2-5 on the EZJ95 board (terminal).
(Switch 2 is inside the cover. Do not operate it unless you have finished the
service education.)
Print target detector
+12V
GND GND
DC12VDedicated
power supply
+12V
TB1
+12V
Signal
GND
1
2
3
12345678
ON
OFF
(Switch is black.)
* The minimum value for the time of preparing for printing varies with the print dot matrix,
calendar setup, and count setup. Approximate time values are indicated in the table below.
One-scan time=
(vertical dot count + character width) x ink drop use percentage
excitation frequency (kHz)
N: (Integer that satisfies the equation one-scan time x N) >= a
K: 3 (ms)
Excitation frequency:68.9 (In the case of 65 μm nozzle, JP-K67)
:90.9 (In the case of 40 μm nozzle, JP-K67)
:28.1 (In the case of 100 μm nozzle, JP-K67)
(ms)
Nozzle
size
a
65μｍ 7
40μｍ 7
100μｍ 10
The required time is precisely calculated using the following formula. It varies with the
pre-selected vertical dot count, character width, and ink drop use percentage.
Time required for preparing for printing = (One-scan time x (N+1)) + K (ms)
Printing
Printing
3 ms minimum
3 ms minimum
OFF
ON
*Time of preparing
for printing
(Printing interval)
(Print start delay
adjustment = 0)
Print target
detection signal
Printing operation
*Time of preparing
for printing
(c
) Relationship between print target detection signal and printing operation
Nozzle Size Approximate Time
65μm or 40μm 10ms
100μm 13ms

Hitachi PXR-D Specifications

General

Brand	Hitachi
Model	PXR-D
Category	Printer
Language	English