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MX-4070N 2 – 28
e. Printer color balance/density check
Method
Execute SIM 64-5 to print the print test pattern.
Set each set value to the default and press [EXECUTE] key. The print
test pattern is printed.
test pattern is printed.
The print density must be changed gradually from the lighter level to
the darker level. The density changing direction must not be reversed.
The density level of each color must be almost at the same level.
the darker level. The density changing direction must not be reversed.
The density level of each color must be almost at the same level.
f. Print/scan image off-center, lead edge position adjustment
Before executing this adjustment, be sure to check the following
items.
items.
* There must be a tray with A4 (LT) paper in it.
1)
Enter the Sim. 50-10 mode.
2)
Select a paper feed source “2“ (CS1).
3)
Set A4 (11 X 8.5) paper on the CS1 paper feed tray.
4)
Check to confirm that the inside dimension of the printed half-tone
pattern is 240
pattern is 240
0.5mm.
If the above condition is not satisfied, follow and repeat the proce-
dures of ADJ4A(Service manual) until a satisfactory result is
obtained.
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).
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.
3mm.
* For the F side void amount, the target is 2mm.
[4 – 4.5 = -0.5 (mm)]
[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-CS.
Enter the [45].
6)
Enter MAIN-CS1 (F side void) and SUB-CS (Lead edge void), and
press OK button.
press OK button.
Enter the calculated adjustment values for the shift amount to
MAIN-CS1/SUB-CS, and press OK button. (The cursor can be
used instead of the button.)
MAIN-CS1/SUB-CS, 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.
confirm that the avoid amounts are adjusted to the target range.
• Lead edge void amount
(4.0mm terget)
(4.0mm terget)
Measure at the center of
paper.
Adjustment value
J : SUB-CS
J : SUB-CS
Print
lead edge
Main scanning magnification ratio (240 0.5mm)
Measure the dimension near the inner frame line
and the paper lead edge in parallel with the line.
Adjustment value A : BK-MAG
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
Measure at a position near the
paper lead edge.
Adjustment value
C : MAIN-CS1
C : MAIN-CS1
MX-4070N MX-DE25/DE26/DE27/DE29 (STAND/1x550/2x550/3x550/1x550(Low) SHEET PAPER DRAWER) 3 – 1
MX-4070N
Service Manual
[3] MX-DE25/DE26/DE27/DE29 (STAND/1x550/2x550/3x550/1x550(Low) SHEET
PAPER DRAWER)
1. Unpacking & Installation
A. MX-DE25/DE26/DE27
Before installation, be sure to turn both the operation and main power
switches off and disconnect the power plug from the power outlet.
Make double sure that the data lamp on the operation panel does not
light up or blink when performing installation.
switches off and disconnect the power plug from the power outlet.
Make double sure that the data lamp on the operation panel does not
light up or blink when performing installation.
(1)
Packed items check
(2)
Right adjuster attachment
1)
Turn each adjuster to fix the desk unit.
(3)
Main unit and desk unit connection
1)
Put the main unit on the desk unit.
Use man power of four persons or more to lift the main unit.
Place the main unit on the desk unit slowly by fitting the external
lines. Check to insure that the positioning pin on the top of the
desk unit is securely engaged in the positioning groove of the
main unit.
lines. Check to insure that the positioning pin on the top of the
desk unit is securely engaged in the positioning groove of the
main unit.
2)
Remove the tray 1 and the tray 2.
No.
Name
Quantity
1
Desk unit
1
2
Fixing screws (M4 x 8)
4
1
MX-DE27
MX-DE26
MX-DE25
2
1
2
1
2
MX-4070N MX-DE25/DE26/DE27/DE29 (STAND/1x550/2x550/3x550/1x550(Low) SHEET PAPER DRAWER) 3 – 2
3)
Raise the linkage plates on the right and left sides of the front side
of the desk unit, and fix them with the fixing screws included in the
package.
of the desk unit, and fix them with the fixing screws included in the
package.
4)
Attach the tray 1 and the tray 2.
5)
Take off the small cover of right and left sides of the main body
rear. And fix them with the fixing screws included in the package.
Return small covers.
rear. And fix them with the fixing screws included in the package.
Return small covers.
(4)
Release the lock
1)
Pull out each tray. Turn and remove the fixing material, and
remove the caution sheet.
Attach the removed fixing material to the position shown in the fig-
ure for storage.
Close the cassette which was pulled out.
remove the caution sheet.
Attach the removed fixing material to the position shown in the fig-
ure for storage.
Close the cassette which was pulled out.
Before turning on the power, check to insure that the fixing mate-
rial of the tray is disengaged. If the power is turned on without dis-
engaging the fixing material, a trouble may be resulted.
rial of the tray is disengaged. If the power is turned on without dis-
engaging the fixing material, a trouble may be resulted.
(5)
Connector connection
1)
Remove the cover from the rear side of the machine.
2)
Connect the connector.
MX-4070N MX-DE25/DE26/DE27/DE29 (STAND/1x550/2x550/3x550/1x550(Low) SHEET PAPER DRAWER) 3 – 3
3)
Separate the base of the cover in nippers.
4)
Attach the cover.
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