Konica Minolta DF-704 User manual

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DF-704 Dual Scan Document Feeder

INSTALLATION MANUAL

A87R-9550-00

Applied Machines: C368/C308

COLOR MFP: 36 ppm/30 ppm

Product Code: A7PU/A7PY

Caution:

Lifting the machine in an awkward position or

transporting it in a poorly balanced position could

result in personal injury. When transporting the

machine, assign an adequate number of persons

to the job and ensure that each person can take a

good position of not being excessively loaded.

(mass: approx. 12 kg (26-7/16 lb))

1. Accessory parts

Note:

This manual provides the illustrations of the acces-

sory parts and machine that may be slightly differ-

ent in shape from yours. In that case, instead of

the illustrations, use the appearance of your

machine to follow the installation procedure. This

does not cause any significant change or problem

with the procedure.

2. Installation procedures

(1) Turn OFF the power switch and unplug the

power cord from the power outlet.

(2) Hold the dual scan document feeder as shown in

the illustration and remove it from the carton.

Note:

To prevent breakage, do not hold the dual scan

document feeder by the four corners.

No. Name Shape Q’ty

1. Dual scan

board

2. Hinge cover

(large)

3. Hinge cover

(small)

4. Shoulder

screw A 2

5. Shoulder

screw B 2

6. Mounting

screw 2

7. Chart

8. Installation

manual

1 set

Keep this bag away from babies and

children. Do not use in cribs, beds,

carriages, or playpens.

The thin film may cling to nose and

mouth and prevent breathing. This bag is

not a toy.

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(3) Remove the protective tape and protective mate-

rials and remove the protective plastic bags of

the cable and relay harness.

Note:

After removing protective tape A, be sure to push

the area indicated by the “ ” mark to lock the

guide.

(4) Screw two supplied shoulder screws A into the

holes in the rear.

(5) Place the dual scan document feeder in position.

(6) Using two supplied mounting screws, tighten the

hinges to secure the dual scan document feeder

in position.

Note:

Tighten the mounting screws in order of [1], [2].

(7) Remove the DF cable cover. (One screw)

[1] [2]

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(8) Connect the three connectors of the dual scan

document feeder to the main body, and attach

the harness with a cable tie at the position shown

in the illustration.

(9) Route the indicated harness of the dual scan

document feeder through the cable clamp shown

in the illustration.

Note:

• This step may not be performed depending on

the applicable marketing area.

• Only the harness shown in the illustration must

be routed through the clamp.

• Make sure that there is no slack in the harness

between the clamp and the connectors.

(10) Remove the cord clamp if used to secure the

power cord of the main body. (One screw)

(11) Remove the cap.

(12) Remove the lower rear cover. (12 screws)

(13) Remove the two screws shown in the illustra-

tion.

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(14) Screw two supplied shoulder screws B.

(15) Attach the dual scan board to the main body

using the two screws.

Note:

Attach it with the connector inserted into the MFP

board connector firmly.

(16) Connect the connector of the dual scan docu-

ment feeder to where shown in the illustration.

Route the cable inside the wire saddle of the

main body as shown in the illustration.

(17) Route the cable of the dual scan document

feeder inside the harness guides of the main

body.

Note:

There should be no slack in the cable on the board

box side.

(18) To install the covers and other parts removed in

steps (11) to steps (12), reverse the removal

procedure. (12 screws)

(19) Reinstall the DF cable cover that have been

removed in step (7). (One screw)

Note:

• Be careful not to pinch the harness.

• Insert two claws A into the holes on the main

body cover first. Then fit two claws B into the

holes.

Connector

Wire saddle

Harness guide

Claw B

Claw A

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3. Configuration procedures

(1) Close the dual scan document feeder.

(2) Plug the power cord into the power outlet and

turn ON the power switch.

(3) Display the Service Mode screen.

(For details of how to display the Service Mode

screen, see the service manual.)

(4) Touch “System 2.”

(5) Touch “ .”

(6) Touch “ADF Settings.”

(7) Touch “Dual Scan Document Feeder.”

(8) Touch “END.”

(9) Touch “Exit” on the Service Mode screen.

(10)Turn OFF and ON the power switch.

Note:

When displayed the Service Mode screen, be sure

to turn off the power after exiting the Service Mode

screen and wait for 10 seconds or more before

turning on.

4. Adjustment procedures

(1) Check the clearance between the upper face of

scanner and the protrusion on the dual scan doc-

ument feeder side. (Three spots)

Note:

There must be no clearance between the protru-

sion on the dual scan document feeder and the

upper face of scanner.

Protrusion

<OK>

<NG>

Protrusion

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(2) If there is any clearance, adjust the height by

turning the adjustment screw on the right side

viewed from the back.

Clockwise: The rear side will move up.

Counterclockwise: The rear side will move down.

• If further adjustment is required, adjust the height

by using the adjustment screw on the left side

viewed from the back together.

Clockwise: The rear side will move up.

Counterclockwise: The rear side will move down.

(1) Display the Service Mode screen.

(For details of how to display the Service Mode

screen, see the service manual.)

(2) Touch “ADF.”

(3) Touch “FD-Mag. Adj.(F).”

(4) Touch “Auto Adjust.”

(5) Place the chart in the document feeding tray

(with the side having an arrow facing up).

(6) Press the Start key.

(7) Check that “Adjustment Result” is “OK” and then

touch “SET.”

(8) Touch “END.”

(9) Touch “FD-Mag. Adj.(B).”

(10) Touch “Auto Adjust.”

(11) Place the chart in the document feeding tray

(Make sure that the blank surface of the chart

faces up).

(12) Press the Start key.

(13) Check that “Adjustment Result” is “OK” and

then touch “SET.”

(14) Touch “END.”

(15) Touch “Main Scanning Direction Zoom.”

(16) Touch “Auto Adjust.”

(17) Place the chart in the document feeding tray

(Make sure that the blank surface of the chart

faces up).

(18) Press the Start key.

(19) Check that “Adjustment Result” is “OK” and

then touch “SET.”

(20) Touch “OK.”

(21) Touch “Mixed original size adjustment.”

(22) Place the chart in the document feeding tray

(lengthwise).

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(23) Press the Start key.

(24) Check that “Adjustment Result” is “OK.”

(25) Touch “END.”

(1) Touch “Skew Measurement.”

(2) Touch “DFSkew(Front).”

(3) Place the chart in the document feeding tray

(with the side having an arrow facing up).

(4) Press the start key.

The measurement result will be displayed.

(5) Repeat operations from steps (3) to (4) four more

times. (Five times in total)

(6) Check the value of “Avg. Value” on the screen.

Specifications: ±0.5%

Note:

If the value does not fall within the specified range,

perform the following adjustment.

(7) Loosen the mounting screw on the right hinge

viewed from the front.

(8) Check “Scale” on the screen, and adjust the +

(plus) value by turning the adjusting screw on the

backside clockwise.

Note:

• Adjust the adjusting plate to make the value off-

set in the + (plus) direction by the amount

shown in “Scale.”

• When turning the screw, be sure not to raise the

dual scan document feeder until in an upright

position.

To prevent the adjustment screw breakage, be

sure to follow the above instructions.

(9) Adjust the - (minus) value by turning the adjust-

ing screw on the backside counter clockwise.

Note:

• Adjust the adjusting plate to make the value off-

set in the - (minus) direction by the amount

shown in “Scale.”

• When turning the screw, be sure not to raise the

dual scan document feeder until in an upright

position.

To prevent the adjustment screw breakage, be

sure to follow the above instructions.

Mounting screw

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(10) Touch “END.”

(11) Repeat the steps (1) to (6) to check if the value

of “Avg. Value” falls within the specified range.

(12) Attach the two supplied hinge covers as shown

in the illustration.

(13) Tighten the mounting screw on the right hinge

that has been loosened in step (7) using a

screwdriver.

(1) Touch “Skew Measurement.”

(2) Touch “DFSkew(Back).”

(3) Place the chart in the document feeding tray

(Make sure that the blank surface of the chart

faces up).

(4) Press the start key.

The measurement result will be displayed.

(5) Repeat operations from steps (3) to (4) four more

times. (Five times in total)

(6) Check the value of “Avg. Value” on the screen.

Specifications: ±0.5%

Note:

If the value does not fall within the specified range,

perform the following adjustment.

(7) Open the dual scan document feeder and

remove the two screws shown in the illustration.

(8) Close the dual scan document feeder.

(9) Remove the front cover.

(10) Loosen the two screws shown in the illustration.

Hinge cover (large)

Hinge cover (small)

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(11) Check “Scale” on the screen, and adjust the

value by turning the adjusting dials as neces-

sary.

In case of the + (plus) value, turn the dial clock-

wise

In case of the - (minus) value, turn the dial

counterclockwise

(12) Touch “END.”

(13) Repeat the steps (1) to (6) to check if the value

of “Avg. Value” falls within the specified range.

(14) After completing the adjustment, tighten the

screws loosened in step (10).

(15) Install the front cover removed in step (9). (Two

screws)

(1) Touch “Auto Stop Position Adjustment.”

(2) Touch “Sub Scanning Direction 1-Side.”

(3) Place the chart in the document feeding tray

(with the side having an arrow facing up).

(4) Press the Start key.

(5) Check that “Adjustment Result” is “OK” and then

touch “SET.”

(6) Touch “Sub Scanning Direction 2-Side.”

(7) Place the chart in the document feeding tray

(Make sure that the blank surface of the chart

faces up).

(8) Press the Start key.

(9) Check that “Adjustment Result” is “OK” and then

touch “SET.”

(10) Touch “Main Scanning (Front).”

(11) Place the chart in the document feeding tray

(with the side having an arrow facing up).

(12) Press the Start key.

(13) Check that “Adjustment Result” is “OK” and

then touch “SET.”

(14) Touch “Main Scanning (Back).”

(15) Place the chart in the document feeding tray

(Make sure that the blank surface of the chart

faces up).

(16) Press the Start key.

(17) Check that “Adjustment Result” is “OK” and

then touch “SET.”

(18) Touch “END.”

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(19) Touch “Exit” on the Service Mode screen.

(20) Turn OFF and ON the power switch.

Note:

When displayed the Service Mode screen, be sure

to turn off the power after exiting the Service Mode

screen and wait for 10 seconds or more before

turning on.

(21) When all the adjustments are completed, set

the chart to the document feed tray (with the

side with an arrow facing up), and take the

sample copy at the same magnification.

(22) Set the chart face down and take the sample

copy at the same magnification (duplex mode).

(23) Measure the values “a/b/c/d/e” of the chart and

the sample copy.

* b: Measure the copy sample produced in step

(21)

c: Measure the copy sample produced in step

(22)

(24) Check to make sure that the difference of the

chart and the sample copy is within the speci-

fied range.

Specifications a: 0 ± 2.0 mm for the first and the

second page

Specifications b, c: 0 ± 2.0 mm

Specifications d: 0 ± 1.0 mm for the first and the

second page

Specifications e: 0 ± 1.5 mm for the first and the

second page

* If difference in the values is out of specifications,

refer to the service manual and make adjust-

ments.

(1) Raise the two hinge covers on the back of the

dual scan document feeder and remove the

stopper from the hinge of the dual scan docu-

ment feeder.

(2) Change the set position of the stopper to the

upper side and secure it in position.

b (When using the

first page side)

c (When using the

second page side)

Stopper

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