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AL-2040  OPERATIONAL DESCRIPTIONS  7 - 7

1) When the power is turned on, the detection gear 38T is rotated

in the arrow direction by the detection gear 20T to push the
micro-switch (process detection switch) installed to the
machine sensor cover, making a judgement as a new drum.

2) When the detection gear 38T turns one rotation, there is no

gear any more and it stops.
The latch section of the 38T gear is latched and fixed with the
projection of the process cover.

The SPF (Single Path Feeder) is installed to the AL-2040 as a
standard provision, and it automatically copies up to 50 sheets of
documents of a same size. (Only one set of copies)

a

PPD1 jam

PPD1 does not turn off within 4 sec after 
turning on the resist roller.

b

PPD2 jam

PPD2 is off immediately after turning on the 
resist roller.

PPD2 does not turn off within 1.2 sec after 
turning off the resist roller.

c

POD jam 

POD does not turn on within 2.9 sec after 
turning on the resist roller.

POD does not turn off within 1.5 sec - 2.7 sec 
after turning off PPD2.

Gear 20T

Process detection switch

Gear 38T

1

Pickup roller

2

Sheet of document for 
paper feed

3

Set detection ACT

4

Document feed roller

5

Separation sheet

6

Paper entry sensor

7

PS roller D

8

Transport follower roller

9

Paper exit roller

10

Paper exit follower roller

11

Document tray

Gear notch

Gear pawl

Projection

Gear notch

Gear pawl

Projection

11

1

9

3 4

5

2

10

6

7

8

AL-2040  OPERATIONAL DESCRIPTIONS  7 - 8

1) When SPPD is ON (document remaining) in initializing

2) When SPPD is not turned ON within about 1.5 sec (at 100%

copy) after starting the document feed operation.

3) When SPPD is not turned OFF within about 4.7 sec (at 100%

copy) after turning on SPPD.

4) When the OC cover is opened during document transport

(during SPF motor rotation) (The SPF motor is stopped during
document transport, but the OC cover open error occurs
instead of the SPF JAM.)

SPF open/close detection (book document) detection is performed
by detecting the interval between the reference lines on the white
Mylar attached to the paper exit guide (document scanning sec-
tion) by the scanner (CCD) and detecting the varied quantity.

SPID ON

PSW ON

MRMT rotation

MM rotation

CPFS ON

SPFM rotation

Document set

Document set sensor

Document feed unit lamp ON

PPD ON

RRC ON

SPPD ON

POD ON

Copy start

The scanner is shifted
to the exposure position.

(Copier side)

Main motor rotation

Paper feed

Synchronization

(Transfer)

(Fusing)

(Document exit)

Paper transport

(Exposure)

In the zooming mode, the magnification ratio in the sub 
scanning direction (paper transport direction) is adjusted
by changing the document transport speed.

(Paper exit)

SPF motor rotation

Document transport sensor

Document transport

(SPF side)

PSW

MRMT

SPF M

CL

SPPD

260ms

182ms

SCANST

MAIN M

CPFS1

RRS

PPD1

PPD2

POD

B

A

B

A

A - B = Varied quantity of pixels

(pixel)

(Floating)

(White Mylar)

(CCD)

Reference line

Reference line

AL-2040  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. SPF section (SPF model only)

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.

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

No.

Part name Ref.

1

Transfer charger unit

2

Charger wire

Transfer
charger

Lock pawl rear

Lock pawl front

1)

AL-2040  DISASSEMBLY AND ASSEMBLY  8 - 2

2) Set the charger cleaner to the transfer unit, and move it recip-

rocally 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.

2) Remove the screws (4 pcs.), the harness, and the operation

panel unit.

1)

2)

3)

4)

1mm

1.5mm

Fig.1

1)

1)

2)

3)

Charger wire

Protrusion

No.

Part name Ref.

1

Operation panel unit

2

Operation PWB