Epson 3800 - Stylus Pro Color Inkjet Printer, Service Manual

Page: 244 / 286

EPSON Stylus Pro 3800/3800C/3850 Revision A
ADJUSTMENT Standard Adjustment 244
5.3.23 Write Constant When CR change
†
Purpose
A current applied to the CR motor is controlled based on the mechanical load that
changes with years of use and the motor characteristics stored in the NVRAM.
Whenever the CR Motor is replaced, use this menu to store the characteristics of
the new motor into the NVRAM.
†
Procedure
1. Write down the following values printed on the label of the CR Motor. Then,
replace the CR Motor and assembly the printer.
z
Induced voltage constant: xx.x mV/rad/s
z
Motor Resistance: xx.x
:
2. Turn the printer ON.
3. Start up the Adjustment Program and select [Write Constant When CR
change].
4. Input the values written down in Step 1 to the corresponding edit boxes of
[Voltage Of Motor] and [Motor Resistance].
5. Click [Write].
6. Click [Finish].
Figure 5-78. Motor Characteristic Factor Label
Figure 5-79. [Write Constant When CR change] Screen
JEI-XXXXXXX
OME-XXXXXX/X
EM-XXX
XXXXXXXX
MADE IN XXXX
xx.xmV/rad/s
xx.x
䃈
CR-CHRCT_01
„
Induced voltage constant
xx.x mV/rad/s
„
Motor resistance
xx.x
:
Motor characteristic factor label