PAPER EJECTION SECTION

CONTENTS

1. Theory of Operation ...7-3 1. Paper Ejection Mechanism ...7-3 2. Paper Separation Mechanism ...7-4 2. Removal and Assembly ...7-5 1. Suction Unit ...7-5 2. Transfer Belt ...7-6 3. Suction Fan ...7-7 4. Separation Fan Unit ...7-8 5. Separation Fan ...7-9 6. Paper Receiving Sensor ...7-9 7. Separator ...7-10 3. Adjustment ...7-11 1. Separator Position ...7-11

[ 7-2 ] 7-2 ] KZ30 (Rev. 1.2)

MEMO

Imagetec Solutions Australia

1. Theory of Operation

1. Paper Ejection Mechanism

1. Paper Separation from the Drum

> The paper is separated from the Drum by the Paper separation fan and Separator.

2. Paper Ejection

> Suction fan pulls the paper, separated from the Drum, on to the Suction unit.

> The Transfer belts on the Suction unit, driven by the Main motor, ejects the paper onto the Paper receiving tray.

> Drive speed of the Transfer belt is 1.6 times as the Drum rotation speed.

3. Paper Receiving Sensor

> Paper receiving sensor checks whether the paper is separated from the Drum and ejected correctly or jammed.

Separation fan

Suction fan Separator

Transfer belts Paper receiviing sensor

[ 7-4 ] 7-4 ] KZ30 (Rev. 1.2)

2. Paper Separation Mechanism

1. Separator

> The tip of the Separator is close to the Drum when it separates a paper from the Drum.

> When the Clamp plate on the Drum comes close to the Separator, the Drum support left which is attached on the Drum pushes the Separator away from the Drum.

Separator shaft Separator Separator lever assembly

Paper receiving tray Drum support left

Imagetec Solutions Australia

2. Removal and Assembly

1. Suction Unit

1. Turn OFF the machine power and disconnect the power cord from the machine.

2. Remove Rear cover.

3. Remove the Paper receiving tray.

4. Remove the Suction unit cover.

5. Disconnect the Connector of the Suction unit.

6. Remove two mounting screws of the Suction unit and remove the unit by sliding it out.

Precaution in Assembly

> Hook the Suction unit on both side of the plates on the machine frame.

> Insert the Feet of the Suction unit cover into the slit holes in the machine Base plate.

Suction unit

Base plate

[ 7-6 ] 7-6 ] KZ30 (Rev. 1.2)

2. Transfer Belt

1. Turn OFF the machine power and disconnect the power cord from the machine.

2. Remove Rear cover.

3. Remove Suction unit.

4. Remove two mounting screws of the De-electricity brush and remove the brush.

5. Remove the Jump wings.

6. Remove four mounting screws of the Suction face cover.

7. Lift the face cover and remove theBelt driven shaft by unhooking the Transfer belts.

8. Remove E-ring of the Belt pulley shaft and remove the Bushing.

9. Slide the Belt pulley shaft and remove the Transfer belts from the Suction face cover.

Precautions in Assembly

> Match the half-pierced section on the Suction face cover with its counter part.

> Match the half-pierced section on the De-electricity brush with its counter part.

Jump wings

3. Suction Fan

1. Turn OFF the machine power and disconnect the power cord from the machine.

2. Remove Rear cover.

3. Remove Suction unit.

4. Turn over the Suction unit and disconnect the Connector of the Suction fan.

5. Remove two mounting screws of the Suction fan and remove the fan.

Suction unit Suction fan

[ 7-8 ] 7-8 ] KZ30 (Rev. 1.2)

4. Separation Fan Unit

1. Turn OFF the machine power and disconnect the power cord from the machine.

2. Remove Rear cover.

3. Disconnect the Connector of the Separation fan unit.

4. Remove two mounting screws of the Separation fan unit and remove the unit.

Precaution in Assembly

> Match the half-pierced section on hinge of the Separation fan unit with its counter part.

Separation fan unit Hinge of Separation unit

Imagetec Solutions Australia

5. Separation Fan

1. Remove the Separation fan unit.

2. Disconnect the Connector of the Separation fan.

3. Remove two mounting screws of the Separation fan and remove the fan.

6. Paper Receiving Sensor

1. Remove the Separation fan unit.

2. Disconnect two mounting screws of the Separation fan.

3. Lift the fan and disconnect the Connector of the Paper receiving sensor.

4. Press the center hook of the Paper receiving sensor socket and lift the sensor out.

Separation fan

Paper receiving sensor

Separation fan unit

[ 7-10 ] 7-10 ] KZ30 (Rev. 1.2)

7. Separator

1. Turn OFF the machine power and disconnect the power cord from the machine.

2. Remove the Back cover and Front cover.

3. Remove the Paper receiving tray.

4. Remove the Separation fan unit.

5. Remove the Separation spring.

6. Remove E-ring from the drive side of the Separator shaft.

7. Slide the Separation shaft towards the rear (machine drive side) and remove the Separation shaft.

E-ring

Separation shaft

Separator spring

Imagetec Solutions Australia

3. Adjustment

1. Separator Position

1. Using Test Chart No.8 or No.14, make a master and prints.

2. Adjust the printing position by the Print position button on the Operation panel, so that there is 10 mm white margin on the top of the prints.

3. Confirm that the paper separates from the Drum and there is no black line on the center of the prints.

4. If the paper does not separate from the Drum, or there is a black line on the center of the prints, an adjustment on the Separator position is necessary.

5. For the adjustment, turn OFF the machine power and disconnect the power cord from the machine and remove the machine Front cover and Print drum cover.

6. Loosen the mounting screw of the Separator plate and slide the plate.

7. Tighten the mounting screw of the plate when the space between the tip of the Separator is between 1.0 mm and 2.0 mm from the Drum surface and not touching it.

Precaution in Adjustment

> Printed papers using Test Chart No.8 / No.14 original should separate from the Print drum when the top white margin on the prints are adjusted to 10 mm by the Print position button.

Results of Incorrect Adjustment

> If the tip of the Separator is in contact with the Drum, the Separator will scratch the surface of the master on the Drum, creating a black line in the center of the printed copies and may damage the Drum screen.

> If the tip of the Separator is placed too far off from the Drum, printed copies will not separate from the Drum, causing paper jams.

Separator lever

Separator Print drum

Print drum

Separator

[ 7-12 ] 7-12 ] KZ30 (Rev. 1.2)

MEMO

Imagetec Solutions Australia