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AR-122E/152E/153E/157E  UNPACKING AND INSTALLATION  5 - 2

Be sure to hold the handles on both sides of the copier to unpack the
copier and carry it to the installation location.

1) Remove pieces of tape and protective cover. Then open the origi-

nal cover and remove protective materials (a) and (b).

2) Release the scan head locking switch.

3) Ensure that the bypass tray is open and then open the side cover

by pressing the open button on the side cover.

4) Remove the CAUTION tape from the front cover and remove the

two protective pins from the fusing unit by pulling the strings
upward one at a time.

1) 2) 3) Open the side and front cabinets of the copier.

4) Remove the locking tape of the developer unit.

5) Remove the screw which is fixing the copier and Developer unit.

6) Remove Developer unit slowly from the copier.

7) Remove the screw (1 pc).

8) Remove Upper developer unit.

AR-122E/152E/153E

AR-157E

AR-122E/152E/153E

AR-157E

Grasp here and turn in 
the direction of the arrow.

CAUTION tape

Protective pins

AR-122E/152E/153E/157E  UNPACKING AND INSTALLATION  5 - 3

9) Shake the aluminum bag to stir developer

10) Supply developer from the aluminum bag to the top of the MX roller

evenly.

Note: Be careful not to splash developer outside Developer unit.

11) Attach Upper developer unit and fix it with a screw.

12) Rotate the MG roller gear to distribute developer evenly.

Note: Never rotate the gear in the reverse direction.

Note: When carrying Developer unit, do not tilt it extremely as

shown with the arrow in the figure below.
(Prevention of splash of developer)

13) Insert Developer unit carefully into the copier.

Note: Quick insertion may result in splash of developer. Be sure to

insert carefully.

14) Confirm that Developer unit is completely inserted to the bottom of

the machine, fix Developer unit and the machine with a screw.

15) Completion of Developer unit installation

1) To prevent against uneven distribution of toner, hold Toner unit

with both hands and shake it several times horizontally.

2) Hold the section of Toner unit shown in the figure below, remove

the packing tape, and remove the cushion.

3) Pull out the cushion in the arrow direction.

4) Insert Toner unit carefully into the copier.

5) Insert until the hook is engaged with the copier as shown in the fig-

ure below.

6) Pull out the shutter in the arrow direction.

Note: Do not hold and carry the shutter. Otherwise the shutter may

drop and Toner unit may drop.

7) Completion of Toner unit installation

Close the front and side cabinets.

AR-122E/152E/153E/157E  UNPACKING AND INSTALLATION  5 - 4

Note: This copier is equipped with two paper trays. Load copy paper

into the two paper trays.

1) Raise the handle of the paper tray and pull the paper tray out until

it stops.

2) Remove the pressure plate lock. Rotate the pressure plate lock in

the direction of the arrow to remove it while pressing down the
pressure plate of the paper tray.

3) Store the pressure plate lock that was removed in step 2 and the

screw that was removed when unpacking the machine in the front
of the paper tray. To store the pressure plate lock, rotate the lock
to fix it on the relevant location.

4) Adjust the paper guides on the paper tray to the copy paper width

and length.
Squeeze the lever of paper guide (A) and slide the guide to match
with the width of the paper.
Move paper guide (B) to the appropriate slot as marked on the
tray.

5) Fan the copy paper and insert it into the tray. Make sure the edges

go under the corner hooks.

Note: Do not load paper above the maximum height line (

).

Exceeding the line will cause a paper misfeed.

6) Gently push the paper tray back into the copier.

Note: After loading copy paper, to cancel the blinking "H" without

restarting copying, press the clear (

) key. The "P" in the

display will go out and the ready (

) indicator will light up.

1) Ensure that the power switch of the copier is in the OFF position.

Insert the attached power cord into the power cord socket at the
rear of the copier.

2) Plug the other end of the power cord into the nearest outlet.

When moving the unit, follow the procedure below.

Note: When moving this unit, be sure to remove the TD cartridge in

advance.

1) Turn the power switch off and remove the power cord from the out-

let.

2) Open the side cover and front cover, in that order. Remove the TD

cartridge and close the front cover and side cover, in that order.

To open and close the side cover and front cover, and to remove
the TD cartridge, see "TD CARTRIDGE REPLACEMENT".

3) Raise the handle of the paper tray and pull the paper tray out until it

stops.

4) Push the center of the pressure plate down until it locks in place

and lock the plate using the pressure plate lock which has been
stored in the front of the paper tray.

5) Push the paper tray back into the unit.

6) Lock the scan head locking switch.

Note: When shipping the unit, the scan head locking switch must be

locked to prevent shipping damage.

7) Close the multi-bypass tray and the paper output tray extension,

and attach the packing materials and tape which were removed
during installation of the unit. See "PREPARING THE UNIT FOR
INSTALLATION".

8) Pack the unit into the carton. See "CHECKING PACKED COMPO-

NENTS AND ACCESSORIES".

Paper 
guide  (B)

Paper 
guide  (A)

AR-122E/152E/153E/157E  COPY PROCESS  6 - 1

(20 microns thick)

Aluminum drum

 

Pigment layer (0.2
to 0.3 microns thick)

An OPC drum is used for the photoconductor.
(Structure of the OPC drum layers)

OPC layer

Main charger

Laser beam

MG roller

Cleaning blade

Drum

Transfer unit

Resist roller

Exposure

Main high voltage unit

Saw tooth

Charge

Drum

Cleaning

Cleaning blade

Waste toner box

Paper release

Fusing

Separation

Heat roller

Heater lamp

Transfer

Transfer charger

Transfer high
voltage unit

Developing

Toner

Developer

Print process

Paper transport route

Semiconductor laser

Manual feed

PS roller

Focus correction lens

Electrode

Synchronization

with drum

Cassette

paper feed

To face
down tray