Panasonic KX-FT57E Service Manual ▷ View online
ADJUSTMENTS
101
KX-FT57E
A
C
B
Front lid open
button
button
Lever
No.
1
2
3
Test Equipment and Jig Name
Jig No.
Oscilloscope
CCD Tool
Extension Cord
PFZZ1F780M
PQZZ2K12Z, PQZZ8K18Z
2. ADJUSTING THE FEEDER PRESSURE
If the document misfeeds frequently, such as multiple feeding, try to adjust the feeder pressure by
following the steps below.
(1) Open the front lid by pressing the front lid open button.
(2) Shift the position of the lever by using an instrument
with a pointed end, like a clip or ball-point pen.
Position A: Select this when documents do not feed.
Position B: Standard position (pre-selected)
Position C: Select this when documents multiple feed.
(3) Close the front lid by gently pressing down on both ends.
1. TABLE OF TEST EQUIPMENTS AND TOOLS
102
KX-FT57E
Lens
CCD Unit
CCD Tool
(PFZZ1F780M)
(PFZZ1F780M)
Chart
3. CCD ADJUSTMENTS
Perform the following adjustments after replacing the lens and CCD board.
PREPARATION:
1) Remove the CCD unit from the unit. (Refer to page 113. )
2) Make the oscilloscope connections as shown on the next page.
3) Attach the CCD TOOL to the CCD unit.
4) Connect the CCD unit and digital board with an the extension cord (Part No. PQZZ8K18Z). (Refer to the next page.)
5) Connect the LED array and digital board with an the extension cord (Part No. PQZZ2K12Z). (Refer to the next page.)
6) Connect the AC cord.
7) Press the MENU button.
8) Press the #,9,0,0,0, and buttons.
9) Press the 5 button three times.
Note:
1) Install the lens so that the marking (RED) is on its upper side.
2) Do not touch the glass face of the lens with bare hands.
3) If you do not have any instruments to repair the unit, cut off the
chart on page 102, then attach it to the target glass (This is a
temporary measure. You should use a tool for this adjustment
for proper repair.)
Cleaning:
If the lens is dirty, clean it with a soft dry cloth.
Note:
Please adjust the covering on the topside of the lens with your hands in order not to let in any outside Light.
ADJUSTMENTS
103
KX-FT57E
ADJUSTMENTS:
LENS AND CCD READ POSITION ADJUSTMENT
1) Loosen the lens screws and CCD board screws.
2) Adjust the position of the lens and CCD board so that the waveform appears as shown in the figure below.
3) Tighten the lens screws and CCD board screws.
Lens screws
CCD board screws
CN7
CN6
FIG
AG
AMON
VID
(DIGITAL BORAD)
OSCILLOSCOPE
CH1
CH2
To point "FTG".
To point "VID".
Extension cord (Part No. PQZZ2K12Z)
To the LED array for
the CCD Unit.
Extension Cord
(Part No. PQZZ8K18Z)
(Part No. PQZZ8K18Z)
To CCD baord
Never connect the "AMON"
point to the oscilloscope.
point to the oscilloscope.
Oscilloscope setting
CH1 ........... 0.5 V/div
CH2 ........... 2 V/div
TIME .......... 1 ms
Trigger ....... CH2
Mode ......... AC
MAX
(for Lens)
(for Lens)
MAX
(for CCD Board)
(for CCD Board)
WAVEFORM
104
KX-FT57E
WHITE LEVEL ADJUSTMENT
1) Remove the CCD TOOL from the CCD unit.
2) Attach the white paper to the CCD unit.
3) Attach the CCD TOOL to the CCD unit.
4) Adjust VR801 on the CCD board so that the wave form becomes 1.0± 0.2V.
Note: 1. After the adjustment is complete, reassemble the unit by reversing the above procedure.
2. Please adjust the topside cover of the lens with your hands so that outside Light will not enter the unit.
3. If you do not have any instruments to repair the unit, cut off the chart on page 105, then attach it to the target glass
(This is a temporary measure. You should use a tool for this adjustment for proper repair.)
CCD Tool
(PFZZ1F780M)
(PFZZ1F780M)
White Paper
(ext. PPC Paper)
(ext. PPC Paper)
WAVE FORM
1.0 0.2V
+
–
Chart
4. DOCUMENT READ START POSITION ADJUSTMENT
1) Connect the AC cord.
2) Copy the document, and confirm the read start position of the document.
3) If it is not in position, adjust the read position.
4) Press the MENU button.
5) Press the #, 9, 0, 0, 0, and 5, 6, 3 buttons.
6) Press the , , SET and MENU buttons.
30
.
.
.
16
15
14
.
.
.
00
To move the image to the
right.
Standard (Default)
To move the image to the left.
The starting position of reading shifts 1 mm as the number changes.
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