Input Cr/Pf Motor Current - Epson Stylus Pro 7700 Service Manual

Epson Stylus Pro 7700/7710/7700M/7710M/7900/7910/9700/9710/9900/9910/WT7900/WT7910/9890/9908/7890/7908

5.7.2 Input CR/PF Motor Current

Use this to write characteristics of the CR and PF motor to the Main Board. The
appropriate current value is set to the motor for the constantly generated mechanical
load.
When performing this adjustment because of the replacement of
C A U T I O N
the Main Board or the Power Supply Board, refer to "4.1.4
Cautions when replacing the Main Board Assy/Power Supply
Board Assy" (p.171) and take extreme care in the combination of
the replacing parts.
PROCEDURE
1. Write down the values below from the motor characteristics label attached on the
CR motor (or PF motor). Replace the CR motor (or PF motor), and assemble the
printer.
Fuka_kc (Induced voltage [mV/rad/s])
Fuka_kd (Motor resistance [Ω])
Figure 5-76. Motor characteristic label
ADJUSTMENT
2.
3.
4.
5.
6.
7.
Motor characteristic label
Other Adjustment
Turn the printer ON.
Start the Service Program, and select
Motor Current from ADJUSTMENTS
Enter the values that are written on induced voltage
Click [Write] button.
Click [Finish] button.
Turn the printer OFF.
Figure 5-77. [Input CR Motor Current] Screen
Revision I
Input CR Motor Current or Input PF
(INDIVIDUAL).
and Motor resistance.
Fuka_kc Fuka_kd
00000 00 123 1234
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