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Model
MX-5050N MX-5050V MX-5070N MX-5070V MX-6050N MX-6050V MX-6070N MX-6070V (serv.man4)
Pages
127
Size
67.18 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Installation Manual for models with the V suffix.
File
mx-5050n-mx-5050v-mx-5070n-mx-5070v-mx-6050n-mx-60.pdf
Date

Sharp MX-5050N / MX-5050V / MX-5070N / MX-5070V / MX-6050N / MX-6050V / MX-6070N / MX-6070V (serv.man4) Service Manual ▷ View online

MX-6070V  MX-LC17 N (LARGE CAPACITY TRAY)  5 – 5
D. Connector connection
1)
Remove the connector cover.
Do not use the connector cover removed.
2)
Connect the connector.
If the heater kit is not installed, there is no need to connect the
heater connector to the connector.
E. Paper size switch
1)
Remove Rear cabinet.
2)
Remove fixing screw (4 pcs of blue screw) on upper and lower
side of Side plate F and Side plate R.
3)
Insert the lower side according to the engraved mark on the lower
side of Side plate F and Side plate R. Tighten upper and lower
side using the fixing screws being removed.
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The heater connector
MX-LC17 connector
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F side
R side
MX-6070V  MX-LC17 N (LARGE CAPACITY TRAY)  5 – 6
4)
Switching Rear edge plate
Remove the blue screws fixing the upper and lower Rear edge
plate respectively.
5)
Insert Size guide according to the engraved mark. Tighten upper
and lower side using the fixing screws being removed (A4).
(LT)
(B5)
In the case of A4 size
Screw
When it be sawed from the top, the line of the hole almost 
overlaps with bold line of each size and sees it.
Screw
In the case of LT size
Screw
In the case of B5 size
MX-6070V  MX-LC17 N (LARGE CAPACITY TRAY)  5 – 7
6)
Attach Rear cabinet.
F. Turn ON the power of the main unit
1)
Connect the power plug of the machine to the power outlet, and
turn ON the main power switch and the operation panel power
switch.
G. Size setting
Execute SIM 26-2 "Size setting" with the key operations of the main
unit.
1)
The size selection menu of the large capacity tray is displayed on
the operation message display.
2)
Select a size button to be set on the message screen.
H. Image off-center adjustment
(1)
Adjustment with the simulation
The image lead edge position and the off-center adjustment value of
the desk unit have been set to the average value when shipping from
the factory. 
Therefore, this adjustment must be performed only when the judgment
is made to execute it through checking the print image.
* There must be a tray with A4 (LT) paper in it.
1)
Enter the Sim. 50-10 mode.
2)
Select a paper feed source “6“ (LCC).
3)
Set A4 (11 X 8.5) paper on the LCC paper feed tray.
4)
Check to confirm that the inside dimension of the printed half-tone
pattern is 240
1.2mm.
If the above condition is not satisfied, follow and repeat the proce-
dures of ADJ4A(Service manual) until a satisfactory result is
obtained. 
5)
Measure the void area size of the adjustment pattern in the front/
rear frame direction (F side void amount) and that in the transport
direction (Lead edge void amount).
Check to confirm that all the following conditions are satisfied.
Calculation and input procedures of adjustment values
(Example) Lead edge void amount
(1) Measure by visual inspection.
Measurement result: 4.5mm
(2) Calculate the shift amount.
The target value is the specification value (center value) of
3mm.
* For the F side void amount, the target is 2mm.
[4 – 4.5 = -0.5 (mm)]
(3) Calculate the adjustment value.
Subtract 5 from the shift amount of -0.5mm.
* For the shift amount of 0.1mm, the adjustment value is
varied by 1.
When the current value is 50:
[50 – 5 = 45]
(4) Enter the adjustment value for SUB-LC.
Enter the [45].
6)
Enter MAIN-LC (F side void) and SUB-LC (Lead edge void), and
press OK button.
Enter the calculated adjustment values for the shift amount to
MAIN-LC/SUB-LC, and press OK button. (The cursor can be used
instead of the button.)
7)
After entering the adjustment values, print again and check to
confirm that the avoid amounts are adjusted to the target range.
Perform procedures 4) to 7) for each paper feed tray.
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• Lead edge void amount 
   (4.0mm terget)
Measure at the center of 
paper. 
Adjustment value
L : SUB-LC
Print
lead edge
Main scanning magnification ratio (240    1.2mm)
Measure the dimension near the inner frame line 
and the paper lead edge in parallel with the line. 
    Adjustment value   A : BK-MAG
• F side void amount (2.0mm terget)
  Measure at a position near the 
paper lead edge. 
      Adjustment value 
      G : MAIN-LC
MX-6070V  MX-LC17 N (LARGE CAPACITY TRAY)  5 – 8
(2)
Mechanical adjustment
Since the off-center adjustment is performed when shipping, there is
basically no need to perform this adjustment. If the center is shifted,
however, the simulation is normally used. If the shift is not removed,
perform the following adjustment procedures.
a. When the shift is in the front side
To adjust the print line in the direction A from the paper center as
shown in the figure:
1)
Loosen two fixing screws (red screws) of the front/rear size guide
adjustment plate, and move the size guide adjustment plate in the
direction A (R side) by the shift amount, and tighten the red fixing
screws (2 for each).
Then make a copy to check to insure that there is no more shift.
Repeat the procedures until there is no shift.
b. When the shift is in the rear side
To adjust the print line in the direction B from the paper center as
shown in the figure:
1)
Loosen two fixing screws (red screws) of the front/rear size guide
adjustment plate, and move the size guide adjustment plate in the
direction B (F side) by the shift amount, and tighten the red fixing
screws (2 for each).
Then make a copy to check to insure that there is no more shift.
Repeat the procedures until there is no shift.
A
R side
F side
B
R side
F side
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