EPSON Stylus Photo 1390/1400/1410 Revision B
ADJUSTMENT Adjustment 138
5.2.1.1 PF Belt Tension Adjustment Method
1. Secure the PF Motor to the Printer Mechanism, and install the Drive Belt on the
Gear of the PF Scale and the Pinion Gear of the PF Motor.
2. Press the [POWER] button. The LCD of the Measuring Tool displays No. 0 and
No. 1.
3. Select the channel from among No. 0 to No. 9 by pressing the [SELECT] button.
(The initial value can be selected as the channel.)
4. Press the [WEIGHT] button. The initial value will be displayed. Enter "1.2g/m"
with the ten-key pad.
5. Press the [WIDTH] button. The initial value will be displayed. Enter "5.0 mm"
with the ten-keypad.
6. Press the [SPAN] button. The initial value will be displayed. Enter "48mm" with
the ten-keypad.
7. Bring the microphone as close as possible to the center of the Timing Belt.
Figure 5-2. Microphone Position
8. Press the [MEASURE] button. ("----" is displayed on the LCD screen.)
9. Put the tip of the tweezers on the Drive Belt, and flip it downward in that position.
The "----" displayed on the LCD will become wave pattern during the
measurement. When it has finished, the measurement result will be displayed by
"N" (Newton) after the beep. This jig can pick up and measure the sounds
accurately, regardless of the flipping force.
10. Repeat Step 8 to Step 9, and delicately shift the variable mounting position of the
PF Motor to adjust the tension until the tension falls within the specified value.
C A U T I O N
The measurement must be carried out in a silent environment.
Otherwise the microphone of the measuring tool may pick up the
noise around it and the right adjustment value cannot be obtained.
C A U T I O N
As the Drive Belt is flipped with the tip of tweezers in the following
steps, carefully choose the flipping position so that the Belt will not
make contact with the microphone by reaction of flipping.
Microphone of Measuring Tool
Timing Belt
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