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AR-M550/M620  INSTALLATION MANUAL  (AR-M550/M620)  1 - 12

Use SIM 22-6 to print and keep the various setting and adjustment
data (list).

When a memory trouble occurs, or when the PCU PWB or the ICU
PWB is replaced, if the above information is not available, all the
adjustment must be performed from the beginning again.

If the above information is available, however, directly enter the setting
and adjustment values for efficient servicing.

When moving the copier, turn off the power and perform the following
works.

1) Remove the paper from the paper tray.

2) Remove the developing unit from the main unit.

3) Lock the position which was released at installation (see the page

1-5).

4) Remove the adjuster cover, and raise the adjuster (see the page 1-

5).

Note: Since the main unit includes the hard disk drive, be careful not

to apply vibrations and shocks during transit.

AR-M550/M620  INSTALLATION MANUAL  (AR-LC6)  2 - 1

• Packaged parts check

Check to insure that all the following parts are packaged.

• Check that the printer is in stand-by state.

Check that the DATA indicator on the operation panel is neither lit
nor blinking.

1) Turn OFF the power switch on the right side of the main unit.

2) Open the front cabinet, and turn OFF the main power switch.

3) Disconnect the power plug from the power outlet.

1) Attach the two upper mounting plates with the rubber portion (

★

)

down to the right side of the main unit using screws A (two for
each).

2) Remove the fixing screw of the front/rear cover on the lower right

side of the main unit. Attach the lower front side (engraved mark F)
of the connecting plate to the lower front side of the main unit with
two fixing screws B.

Attach the lower rear side (engraved mark R) of the connecting
plate to the lower rear side of the main unit with two fixing screws
B.

1

Upper mounting plate

2pcs.

2

Lower front connecting plate

1pc.

3

Lower rear connecting plate

1pc.

4

Fixing screw A (M4 x 16 small screw bind uniqlo)

4pcs.

5

Fixing screw B (Hex washer S tight M4 x 12)

4pcs.

1

2

3

4

5

AR-M550/M620  INSTALLATION MANUAL  (AR-LC6)  2 - 2

3) Remove the fixing screws (2 pcs.) of the machine entry port, and

remove the entry port cover.

4) Attach the entry port cover reversely to the machine and fix it with

the two fixing screws which was removed in procedure 3).

1) Remove the fixing material from the large capacity paper feed tray.

2) Remove the fixing material from the packaged part, and remove

the packaged part.

1) Slowly pull out the paper feed base tray until it stops.

2) Remove the paper feed base fixing screw (1 pc.) of the large

capacity tray.

3) Push the large capacity tray slowly into the original position.

AR-M550/M620  INSTALLATION MANUAL  (AR-LC6)  2 - 3

1) Hold the grips of the front and the rear cabinets with both hands,

and lift the left side.

2) Hang the metal fixture of the large capacity tray on the lower front/

rear side of the connecting plate on the main unit side.

Push the large capacity tray onto the main unit and attach it.

At that time, check that the large capacity tray is locked to the main
unit.

∗

If lock is incomplete, when the power switch is turned on, the mes-
sage,  “Check installation of tray 5” is displayed on the operation
panel.

∗

Push the large capacity tray onto the machine, and lock it securely.

Note 1): When lifting the LCC, insert fingers into the grip sections of

the front and rear cabinets and install slowly.

Note 2): Turn the lock release screw of the front cover counterclock-

wise to loosen and check that the screw is free.

∗

If the screw is tight at that time, installation will be incom-
plete.

<<How to separate the large capacity tray from the main unit>>

1) Turn the lock release screw of the front cover clockwise and

tighten the screw securely to release lock.

2) Then hold the grips of the front and the rear cabinets with both

hands, and lift the left side. The large capacity tray will come off.

F side

R side