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AR-203E/5420/M200/M201  DISASSEMBLY AND ASSEMBLY  8 - 1

The disassembly and assembly procedures are described for the
following sections:

1. High voltage section

2. Operation panel section

3. Optical section

4. Fusing section

5. Tray paper feed/transport section

6. Manual paper feed section

7. Rear frame section

8. Power section

9. DV unit section

10. Duplex motor section (AR-M201 only)

11. Reverse roller section (AR-M201 only)

1) Remove the drum cover. (4 Lock Tabs)

2) Remove the drum fixing plate and the photoconductor drum.

(Note) Dispose the drum fixing plate which was removed.

3) Check the cleaning blade and the red felt for no damage.

• If there is any damage, execute all procedures from item 5)

and later.

• If there is no damage, execute the procedure of item 12).

4) Remove the main charger.

(When uneven charging occurs, clean the screen grid and the
sawteeth with an air blower.)

5) Remove the cleaning blade.

Note: Dispose the cleaning blade which was removed. 

If a cleaning error occurs, replace the cleaning blade.
(Recommendable replacement cycle: Every 25K)

No.

Part name Ref.

1

Drum

2

Transfer charger unit

3

Charger wire

AR-203E/5420/M200/M201  DISASSEMBLY AND ASSEMBLY  8 - 2

6) Clean the cleaning section and the waste toner pipe to remove

waste toner completely with a vacuum cleaner.

7) Remove the felt and duplex tape completely.

Note: Be careful not to scratch or bend the sub blade.

8) Attach the cleaning blade.

Securely insert the plate section of the cleaning blade into the
unit and fix it with a screw.

Do not touch the cleaning blade rubber with your hand.

When attaching the cleaning blade, press the cleaning blade
in the arrow direction and attach.

Attach the cleaning blade, press the molt on the process frame
with a screwdriver (–), and push it in the clearance between the
process frame and the cleaning blade.

• Machine F side

• Machine R side

Normal state of the molt

• Machine F side

• Machine R side

9) Attach the moquettes.

Attach the mocket with slightly pressing section A of the clean-
ing blade.

Do not touch the tip of the cleaning blade.

Do not put the mocket under the cleaning blade.

Do not put the mocket on the sub blade.

Do not press the sub blade with the mocket.

If the moquette F/R is deformed or damaged, replace it. 
(Recommendable replacement cycle: Every 25K)

Cleaning blade

Cleaning blade

Moquette R

Sub blade

Sub blade

Moquette F

Moquette R

Moquette F

∗

∗

∗

: Check while pressing the blade. 

Be careful not to allow the 
moquette to cover the sub blade. 

AR-203E/5420/M200/M201  DISASSEMBLY AND ASSEMBLY  8 - 3

10) Attach the main charger.

Securely set the MC holder on the projection of the process
frame.

Securely insert two projections of the MC holder into the
groove in the process frame.

When attaching the MC holder ass'y, be careful not to make
contact with the cleaning blade.

11) Attach the drum fixing plate and the photoconductor drum.

Apply grease to the inside of the photoconductor drum. (Dia.
2)

Attach the drum from (b). (Prevention against the sub blade
edge breakage)

Attach the drum so that its position with the sub blade is as
shown.

12) Attach the drum cover.

Note: After attaching the drum cover, do not make a copy. 

When attaching the drum cover, engage the detection
gear 20T rib with the 30T gear rib, and attach the drum
cover to the process frame.

13) Insert the process unit into the machine until it is fully engaged.

1) Press the side cover open/close button and open the side

cover.

2) Push up the lock pawls (2 positions) of the side cover, and

remove the transfer charger.

For assembly, reverse the disassembly procedure.

Transfer
charger

Lock pawl rear

Lock pawl front

AR-203E/5420/M200/M201  DISASSEMBLY AND ASSEMBLY  8 - 4

1) Remove the charger cleaner from the manual paper feed unit.

2) Clean the TC front guide and the TC holder with alcohol.

3) Set the charger cleaner to the transfer unit, and move it recipro-

cally a few times in the direction of the arrow shown in the figure
below.

1) Remove the TC cover and remove the screw.

2) Remove the spring and remove the charger wire.

3) Install a new charger wire by reversing the procedures (1) and

(2).
At that time, be careful of the following items.

• The rest of the charger wire must be within 1.5mm. Refer to

Fig.1

• The spring hook section (charger wire winding section) must be

in the range of the projection section.

• Be careful not to twist the charger wire.

1) Open the side door, and Open the front cover.

1)

1)

2)

3)

4)

No.

Part name Ref.

1

Operation panel unit

2

Operation PWB

1mm

1.5mm

Fig.1

1)

1)

2)

3)

Charger wire

Protrusion