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AR-D17/D18/D19  ADJUSTMENTS  5 - 2

6) Move the paper to the rear side of the alignment plate, and check

that the clearance between the alignment plate (F side) and the
paper is 0 – 0.5mm.

• When the clearance between the alignment plate and the paper is in

0 – 0.5mm:

Remove the paper in the ADU unit. Press [CA] key to cancel the sim-
ulation mode.

• When the clearance between the alignment plate and the paper is

out of 0 – 0.5mm:

1. Remain the paper in the ADU unit, and insert the ADU unit and

change the set value. 

(Example) When 45 is set:

Reference for set value

The relationship between the set value and the alignment plate
width is as shown below:

∗

However, when performing an adjustment for a paper feed tray set
at A4R/A5/B5R, pull out the ADU unit and check the clearance
and be sure to remove the paper. (Every time when the set value
is changed, a sheet of paper is fed from the paper feed tray.)

2. When [EXECUTE] on the LCD panel is pressed, alignment is

performed with the set value. During alignment operation, [EXE-
CUTE] is highlighted.

3. When alignment operation is completed, [EXECUTE] returns to

the normal display. Pull out the ADU unit again and check the
clearance between the alignment plate and the paper. (When
checking, be sure to move the paper to the rear end of the align-
ment plate.)

If the clearance is out of 0 – 0.5mm, repeat procedures 1 – 3 to
adjust. Enter the same set value for other paper feed trays.

4. After completion of the adjustment, remove paper from the ADU

unit, and press [CA] key to cancel the simulating mode.

Set value

Alignment plate width

Decreased by 1

Widened by about 0.3mm

Increased by 1

Narrowed by about 0.3mm

0    0.5mm

Paper

Alignment 
plate R

Alignment 
plate F

4

5

AR-D17/D18/D19  DISASSEMBLY, ASSEMBLY, AND MAINTENANCE  6 - 1

✕

 : Check (Clean, replace, or adjust as necessary.)

❍

 : Clean

▲

 : Replace

∆

 : Adjust

✩

 : Lubricate

*1: Reference for replacement: Counter value at each paper feed port

Paper feed rollers: 100K or 2 years

Part name

Call

50K

100K

150K

200K

250K

300K

350K

400K

Remark

Paper feed 
separation section

1

Paper feed rollers

(

❍

) 

✕

❍

✕

❍

✕

❍

✕

❍

✕

*1

2

Earth spring

✕

✕

✕

✕

✕

3

Torque limiter

(

❍

) 

✕

✕

✕

✕

✕

Transport section

4

Transport rollers

❍

❍

❍

❍

❍

❍

❍

❍

❍

5

Rollers

❍

❍

❍

❍

❍

❍

❍

❍

❍

6

Transport paper guides

❍

❍

❍

❍

❍

❍

❍

❍

❍

Drive section

7

Desk gears

✕

✕

✕

✕

✕

(Specified position)

8

ADU gears

✕

✕

✕

✕

✕

(Specified position)

9

Belts

✕

✕

Others

10

Sensors

✕

✕

✕

✕

✕

4

4

9

9

9

9

9

4

9

4

5

5

8

8

5

6

7

7

7

5

5

5

5

5

10

1

1

3

2

10

10

10

10

10

10

AR-D17/D18/D19  DISASSEMBLY, ASSEMBLY, AND MAINTENANCE  6 - 2

1) Pull out the tray unit (A).

2) Remove the screw, and remove the tray stoppers left (B) and the

tray stopper right (C).

3) Lift the tray unit and remove it.

4) Remove the screw and remove the tray rail R (D).

5) Remove the screw and remove the paper feed unit (E).

Part name

Call

50K

100K

150K

200K

250K

300K

350K

400K

Remark

Paper feed 
separation section

Paper feed rollers

(

❍

) 

✕

❍

✕

❍

✕

❍

✕

❍

✕

Earth spring

✕

✕

✕

✕

✕

Torque limiter

(

❍

) 

✕

✕

✕

✕

✕

C

B

A

D

E

D

E

AR-D17/D18/D19  DISASSEMBLY, ASSEMBLY, AND MAINTENANCE  6 - 3

1) Remove the paper feed unit.

2) Disengage the pawl, and lift the pickup roller lever (A).

3) Remove the screw, and remove the paper feed wait plate (B).

4) Remove the stopper (C).

5) Disengage the pawl, and remove the pickup roller lever L (D).

6) Remove the pickup roller (E) and paper feed roller (F).

1) Remove the paper feed unit.

2) Remove the separation roller unit (A).

3) Remove the separation roller (B).

1) Remove the paper feed unit.

1) Remove the paper feed unit.

A

B

C

D

E

F

A

B