SHARP Ar-FN1smE Service Manual

SERVICE MANUAL

3-TRAY FINISHER

MODEL AR-FN1

CONTENTS

[ 1 ]	BASIC SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	1-1
[ 2 ]	UNPACKING AND INSTALLATION . . . . . . . . . . . . . . . . . . . . . .	2-1
[ 3 ]	PICTORIAL NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . .	3-1
[ 4 ]	OUTLINE OF OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . .	4-1
[ 5 ]	DISASSEMBLY AND REINSTALLATION . . . . . . . . . . . . . . . . .	5-1
[ 6 ]	ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	6-1
[ 7 ]	MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	7-1
[ 8 ]	TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	8-1
[ 9 ]	DESCRIPTION OF CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . .	9-1
[10]	CIRCUT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .	10-1

Parts marked with "!" is important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.

This document has been published to be used

SHARP CORPORATION for after sales service only.

The contents are subject to change without notice.

CAUTION FOR BATTERY REPLACEMENT

(Danish) ADVARSEL !

Lithiumbatteri – Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri

af samme fabrikat og type.

Levér det brugte batteri tilbage til leverandoren.

(English) Caution !

Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer.

Dispose of used batteries according to manufacturer’s instructions.

(Finnish) VAROITUS

Paristo voi räjähtää, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan laitevalmistajan suosittelemaan

tyyppiin. Hävitä käytetty paristo valmistajan ohjeiden

	mukaisesti.
(French)	ATTENTION

Il y a danger d’explosion s’ il y a remplacement incorrect de la batterie. Remplacer uniquement avec une batterie du même type ou d’un type équivalent recommandé par

le constructeur.

Mettre au rebut les batteries usagées conformément aux instructions du fabricant.

(Swedish) VARNING Explosionsfara vid felaktigt batteribyte.

Använd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren.

Kassera använt batteri enligt fabrikantens instruktion.

[1] BASIC SPECIFICATIONS

1. Type

Copier-fitted type (detachable)

2. Tray

	1 Number of	3
	trays
	2 Type	Top (tray 1)	Normal tray
		Middle (tray 2)	Normal tray
		Bottom (tray 3)	Lift tray
	3 Number of	Normal tray	500 (80 g/m2 )
	sheets
		Lift tray	1500 (A4/11" ´ 8.5") 750
	loadable
			(A3/11" ´ 17") (80 g/m	2	)

3. Paper transfer

Center reference

4. Storage

Face-up/face-down

5. Discharge size

Face-up	Top	A3	~ A6R/11 ´ 17 ~ 8.5 ´ 5.5,
		special paper
	Middle	A3	~ A5/11 ´ 17	~ 8.5	´ 5.5
	Bottom	A3	~ B5R/11 ´ 17 ~ 8.5 ´ 11R
Face-down	Top	A3	~ B5/11 ´ 17	~ 8.5	´ 11R
	Middle	A3	~ B5/11 ´ 17	~ 8.5	´ 11R
	Bottom	A3	~ B5R/ 11 ´ 17 ~ 8.5 ´ 11R

6. Paper weight

Face-up	Top	52 ~ 128 g/m2	*
			1
	Middle	56 ~ 105 g/m2
	Bottom	52 ~ 128 g/m2	*
			1
Face-down	56 ~ 105 g/m2 , exceeded.

* 1: Paper of 200g/m2 ~ 176m2 , can be used.

For paper weight exceeding 105g/m2 in the face up mode, only the paper size of A4/8.5" ´ 11" or smaller can be used.

7. Paper full detection

Top Provided

Middle Provided

Bottom Provided

8. Lift tray

Off-set	30 mm

9. Staple unit

Paper discharge tray	Lift tray
Storage	Face-up
Number of sheets	50 sheets (80 g/m2 )
that can be stapled	25 sheets when the size is over A4/LT.
Paper size	AB series	A3, B4, A4, A4R, B5
	Inch series	11" ´ 17"/8.5" ´ 14"/
		8.5" ´ 13"/8.5" ´ 11"/
		8.5" ´ 11"R
Stapling reference	1 point (front)/ 1 point (far end)/ 2 points
Needle feed system	Cartridge (5000 needles)
Detection	No needle/no cartridge/stapler rotation
Service life	more than 100 K
Manual mode	None

10. Power supply

Supplied from copier (DC 24V, DC 5V)

11. Power consumption

MAX 60W

12. Dimensions

590 (W) ´ 560 (D) ´ 998 (H)

13. Weight

About 50 kg

1 – 1

[2] UNPACKING AND INSTALLATION

1. Unpacking

2. Installation

Refer to the sketch below for unpacking.

Lock plate: 1

Mounting plate: 1

Staple cartridge: 1

Connecting plate: 1

Stapling position	Stapling position
label A: 1	label B: 1

Tray 3:	1		Exit trays: 2
Securing plate: 1		Screws A: 2	Screw B: 1
Screws C: 2		Screws D: 4

Unplug the copier’s power cord before carrying out the following procedure.

1. Attach the lock plate and mounting plate.

Remove the two screws from the upper left cabinet of the copier and attach the lock plate to the upper left cabinet using two screws D.

Screws for upper left cabinet

Lock plate

Screws D

2 – 1

·If the clearance is narrow at the upper part:

Turn knob A and knob B clockwise so that the clearances at the upper part and lower part are uniform.

·If the clearance is wide at the upper part:

Turn knob A and knob B counterclockwise so that the clearances at the upper part and lower part are uniform.

Knob A

Knob B

Clearance

Clearance

<2> If the guide pin of the lock plate does not match the connecting hole of the finisher:

Turn the knobs at the lower part of the finisher to adjust the height.

·If the connecting hole is displaced toward the rear side:

Turn knob B counterclockwise so that the connecting hole matches the guide pin.

Then, push the finisher into the copier.

If the clearance between the finisher and copier is not proper, adjust the clearances at the upper part and lower part using procedure <1>.

(Top view)

Guide pin

·If the connecting hole is displaced toward the front side:

Turn knob A counterclockwise so that the connecting hole matches the guide pin.

Then, push the finisher into the copier.

If the clearance between the finisher and copier is not proper, adjust the clearances at the upper part and lower part using procedure <1>.

(Top view)

Guide pin

Knob A

Knob B

7. Attach the exit tray and tray 3.

Insert the three pawls at the rear side of tray 3 into the holes of the tray mounting platform and secure the tray using two screws.

Attach the two exit trays to the finisher from the boss at <1>.

2

1

Exit trays

Screws D

Pawl

Pawl

Tray 3

Pawl

8. Attach the staple cartridge to the staple unit.

1Turn the staple unit to face the front.

1

Knob A

Knob B

2 – 3

2Insert the staple cartridge into the staple unit until it clicks in place.

2

3Return the staple unit to face down.

3

9. Paste the stapling position labels.

For document cover:

Stapling position label A

For SPF:

Stapling position label A

For ADF/RADF:

Stapling position label B

Connect the power cord, turn the main switch ON, and perform the following procedure.

10. Check the finisher operation.

·Check the operation in the STAPLE SORT mode.

Make 10 sheets of copies in the STAPLE SORT mode. Check to see if the copies are stapled properly.

11. Remove the tension spring of exit roller.

1)Pull out the exit unit of the copier until it stops.

2)Remove the 2 exit area cover securing screws and remove the exit area cover.

3)Remove the 2 transport springs which are attached to the exit area paper guide.

4)Store the 2 removed transport springs by hanging them on the exit unit front frame (shown in Fig. 1).

5)Attach the exit area cover to its original position and secure it using the 2 securing screws.

6)Insert the exit unit to the copier.

2 – 4

Fixing screw

Paper exit cover

Paper exit unit

3)

2 – 5

[3] PICTORIAL NOMENCLATURE

1. External view

1

	3
	4
5	2

No.	Part name
1	Upper door
2	Front door
3	Tray 1
4	Tray 2
5	Tray 3

3 – 1

2. Internal view

27	28	1	2
26			3
25
			4
23		24	5
22		6	8
		7
		11	9
	21
20			10
29			12
30
19			13
18			14
			15
			16
17

No.	Part name
1	Paper discharge gate 1
2	Transfer follow-up roller 2
3	Vertical transfer roller 1
4	Transfer follow-up roller 1
5	Paper entry gate
6	Reversion paper discharge follow-up roller
7	Reversion paper discharge roller
8	Paper entry Shaft
9	Paper entry De-curler
10	Reversion gate
11	Reversion roller
12	Reversion pressure release roller
13	Short cut gate
14	S tray paper entry roller
15	Paper delivery pressure release roller

No.	Part name
16	Paper discharge gate 3
17	Paper discharge roller 4
18	Paper discharge roller 3
19	S tray paper entry follow-up roller
20	Vertical transfer roller 3
21	Transfer follow-up roller 1
22	Paper discharge roller 2
23	Follower roller FIN
24	Paper discharge gate 2
25	Vertical transfer roller 2
26	Transfer follow-up roller 1
27	Paper discharge roller 1
28	Follower roller FIN
29	De-curler roller
30	Vertical transport roller 3 lower

3 – 2

3. Clutch, solenoid

9. T12CL

4. OG2SL

2. RRSL

10. PDCL

11. STORCL

5. OG3SL

12. T3ORSL

7. T3SLCL

13. PPSL

3. OG1SL

14. STSL

1. INGSL

6. SPSL

8. T3UPSL

	No.	Signal name	Name	Function and Operation
	1	INGSL	Paper entry gate solenoid	Switching between reversion/short cut path and outside turn path
	2	RRSL	Reversion roller pressure release solenoid	Pressing reverse roller
	3	OG1SL	Paper discharge gate solenoid 1	Switching tray 1 paper delivery gate
	4	OG2SL	Paper discharge gate solenoid 2	Switching tray 2 paper delivery gate
	5	OG3SL	Paper discharge gate solenoid 3	Switching tray 3 paper delivery gate
	6	SPSL	Short path switching solenoid	Switching short path gate
	7	T3SLCL	Tray 3 deceleration clutch	Changing the speed of tray 3 paper speed change roller (Low
				speed)
	8	T3UPSL	Tray 3 upper limit solenoid	Pulling in tray 3 upper limit detection actuator
	9	T12CL	Tray 1 and 2 deceleration clutch	Changing the speed of tray 1 and 2 paper delivery roller
				(Low speed)
	10	PDCL	Puddler clutch	Puddling in staple tray
	11	STORCL	ST paper delivery roller pressure release clutch	Pressing staple paper delivery roller
	12	T3ORSL	Tray 3 paper exit roller clutch	Changing the speed of tray 3 paper discharge roller (Low speed)
	13	PPSL	Paper holding solenoid	Alignment of paper when stapling.
	14	STSL	Staple tray solenoid	Holding the rear edge of paper in the staple tray.

3 – 3

4. Sensor

2. DSW2

		1. DSW1
	13. T1PF	8. PFD2
		7. PFD1
	9. PFD3	5. INPD
	14. T2PF	3. DSW3
	20. JGHP	6. RVPD
		21. PSHP
	10. PFD4
		28. STID2
	18. EVRE	12. STPD
		11. STID
	19. OFHP	15. T3OD
	16. T3UP	22. STUHP

	23. STND			17. T3DN
			24. STHP
27. READY
	25. LSTS		26. NCTS
			Stapler unit
No.		Signal name	Name	Function and Operation
1		DSW1	Copier connection switch	Detecting the finisher attached to the copier
2		DSW2	Top door opening switch	Detecting top door opening
3		DSW3	Front door opening switch	Detecting front door opening
5		INPD	Paper entry sensor	Detecting paper entry
6		RVPD	Reversion paper discharge sensor	Detecting paper discharge
7		PFD1	Transfer detecting sensor 1	Detecting transfer 1
8		PFD2	Transfer detecting sensor 2	Detecting transfer 2
9		PFD3	Transfer detecting sensor 3	Detecting transfer 3
10		PFD4	Transfer detecting sensor 4	Detecting transfer 4
11		STID	Staple tray paper entry sensor	Detecting staple tray paper entry
12		STPD	Staple tray paper sensor	Detecting the presence of paper in staple tray
13		T1PF	Tray 1 full sensor	Detecting tray 1 filled with paper
14		T2PF	Tray 2 full sensor	Detecting tray 2 filled with paper
15		T3OD	Tray 3 paper delivery sensor	Detecting tray 3 paper delivery
16		T3UP	Tray 3 upper limit sensor	Detecting tray 3 upper limit
17		T3DN	Tray 3 lower limit sensor	Detecting tray 3 lower limit
18		EVRE	Elevator motor encoder	Elevator motor encoder
19		OFHP	Offset motor home position detecting sensor	Detecting offset motor home position
20		JGHP	Jogger motor home position detecting sensor	Detecting jogger motor home position
21		PSHP	Pusher motor home position detecting sensor	Detecting pusher motor home position
22		STUHP	Staple UN movement motor home position	Detecting staple UN movement motor home position
			detecting sensor
23		STND	Staple needle replacement sensor	Detecting stapler rotation for the replacement of needles
24		STHP	Stapler home position detecting sensor	Detecting stapler home position
25		LSTS	Staple detecting sensor	Detecting the presence of needles in stapler
26		NCTS	Stapler cartridge sensor	Detecting the presence of stapler cartridge in stapler
27		READY	Stapler self priming sensor	Detecting needles in stapling position
28		STID2	Staple tray paper entry sensor 2	Detecting staple tray paper entry 2

3 – 4

5. Motor and PWB unit

2. RVM 1. FM

3. JGM

4. PSM

7. OFM

6. EVM

5. STUM

8. STM

9

10

11

No.	Signal name	Name	Function and Operation	Type
1	FM	Main drive motor	Transferring paper inside finisher	DC brushless
2	RVM	Reversion motor	Reversing the paper	DC stepping
3	JGM	Jogger motor	Positioning jogger to suit paper size and aligning paper in	DC stepping
			staple tray
4	PSM	Pusher motor	Lowering the paper in staple tray to stapling position and lifting	DC stepping
			the paper to delivery position
5	STUM	Staple unit movement motor	Moving staple unit to stapling position	DC stepping
6	EVM	Elevator motor	Raising and lowing tray 3	DC brush
7	OFM	Offset motor	Shifting tray 3 back and forth to sort the paper in tray 3	DC brush
8	STM	Staple motor	Driving staple unit	DC brush
9		Finisher main PWB 100/200	100/200V, Finisher control	—
10		Filter PWB	Common, Eliminating brush motor noise	—
11		Filter PWB	Common, Eliminating brush motor noise	—

3 – 5

[4] OUTLINE OF OPERATION

1. Transfer route

The 3-tray finisher’s transfer routes are as follows.
a. Tray 1 face-up paper discharge	c. Tray 2 face-up paper discharge

b. Tray 1 face-down paper discharge

d. Tray 2 face-down paper discharge

2

2

1

1

4 – 1

e. Tray 3 outside turn face-up paper discharge

g. Tray 3 chart-cut face-up paper discharge

	2
3	1

f. Tray 3 outside turn face-down paper discharge

1

2

4 – 2

2. Explanation of each section

The 3-tray finisher consists of (1)an upper paper transfer section, (2)a reversion section, (3)a staple tray, (4)an offset tray, and (5)an elevator section.

It has the following functions: Paper discharge to a selected tray, paper reversion, stapling for paper delivered to the offset tray (3 positions), offset, and elevation. Each function is performed according to the mode instructed by the copier.

1)

2)

4)

3)

5)

A. Upper paper transfer section

1) Paper transfer

By rotating the main driving motor (FM), the transfer rollers in the finisher are driven.

The transfer speed is switched over between the copier speed mode and the high-speed mode according to the paper discharge mode and paper size.

2) Paper entry gate (4)

The paper entry gate (4) is operated by the paper entry solenoid(INGSL) to select the upper transfer (outside route) and reversion/short path according to the mode.

3) Paper discharge gate 1 (1)

The paper discharge gate 1 (1) is operated by the paper discharge gate 1 solenoid (OG1SL), to select between the routes for paper discharge to the tray 1 (10) and transport to the tray 2 (7)/staple tray.

4) Paper discharge gate 2 (8)

The paper discharge gate 2 (8) is operated by the paper discharge gate 2 solenoid (OG2SL) to select between the routes for paper discharge to the tray 2 (7) and transport to the staple tray.

5) Trays 1 (10) and 2 (7) paper discharge operation

When paper is delivered to the trays 1 (10) and 2 (7) at a high-speed in the 3 tray finisher, the trays 1 and 2 deceleration clutch (13) is operated at paper delivery timing to decelerate the paper discharge rollers 1 and 2 in order to align the paper to the trays 1 (10) and 2 (7) with high accuracy.

6) Trays 1 (10) and 2 (7) paper full detection

Whether the trays 1 (10) and 2 (7) are filled with paper is detected by the tray 1 and 2 paper full sensor.

	(12)	(13)
		(1)
		(2)
(11)
(10)		(3)
	(9)	(4)
	(8)
		(5)
(7)
			Document reversion and
	(6)		short-cut path
			To stapler tray
No.	Signal name		Name
(1)	—		Paper discharge gate
(2)	PFD2		Transfer detecting sensor 2
(3)	PFD1		Transfer detecting sensor 1
(4)	—		Paper entry gate
(5)	INPD		Paper entry sensor
(6)	PFD4		Transfer detecting sensor 4
(7)	—		Tray 2
(8)	—		Paper discharge gate 2
(9)	T2PF		Tray 2 paper full detecting sensor
(10)	—		Tray 1
(11)	PFD3		Transfer detecting sensor 3
(12)	T1PF		Tray paper full sensor
(13)	TI2CL		Trays 1 and 2 deceleration clutch

4 – 3

B. Reversion unit

1) Reversion motor (RVM)

The reversion motor is connected to the reversion roller (4).

The paper is pulled into the reversion path by the reversion motor rotating in forward, and fed into the upper transfer route by the motor rotating in reverse. When the paper is discharged through the shortpath, its transfer is performed by the reversion roller (4) until the paper enters the staple tray.

2) Reversion pressure release roller

The reversion pressure release roller (3) is pressure released or pressurized through ON/OFF control of the reversion roller pressure release solenoid, to achieve the reversion of the paper at a high speed without reducing JOB efficiency.

		(1st sheet is reversed
		and discharged.)
		(1)
(4)
	Entry	(2nd sheet is reversed
Discharged		(2) and entered.)
	Pressure	(3)
	release

No.	Signal name	Part name
(1)	RVPD	Reversion paper delivery sensor
(2)	—	Reversion gate
(3)	—	Reversion pressure release roller
(4)	—	Reversion roller

C. Staple tray

1) Jogger motor (JGM)

The jogger motor is driven when the paper is fed into the staple tray, to operate the jog plates F and R so as to align the sidewise edge of the paper.

2) Puddler (11)

The puddler clutch (PDCL) is turned ON when the paper is fed into the staple tray, to give the puddler a full turn so as to drop the paper downward (pusher), thus achieving alignment in the vertical direction.

3) Pusher motor (PSM)

With the pusher motor rotating, the paper stored inside the staple tray is lowered from the home position (discharge position) to the stapling position; after stapling, the paper inside the staple tray is elevated from the stapling position to the home position.

4) Staple unit movement motor (STUM)

The staple unit is moved to the stapling positions (front, far end, 2 centers) by the staple unit motor.

5) Short path switching gate (1)

The short path switching gate (1) is operated by the short path switching solenoid (SPSL), to select the short path to feed paper to the reversion path and stable tray.

6) Staple tray paper discharge

When the paper delivery roller pressure release clutch (STORCL) is turned ON, the paper delivery pressure release roller (4) is pressurized through the cam to discharge the paper from the stable tray.

7) Paper discharge gate 3 (5)

The paper discharge gate 3 (5) is operated by the paper discharge gate 3 solenoid (OG3SL) to switch over the routes of paper inside the staple tray between the paper discharge side and the staple side of the off-set tray.

8)Tray 3 deceleration clutch (8) Tray 3 paper exit roller clutch (2)

The paper discharge rollers 3 and 4 are speed changed to improve the stackability of stapled paper being discharged to the off-set tray.

(1)

(2)
	(11)
(9)	(10)	(3)
		(4)
(8)
		(5)
		(6)
		(7)

No.	Signal name	Part name
(1)	—	Short path switching gate
(2)	T3SLCL	Tray 3 speed reduction clutch
(3)	—	Tray 3 speed reduction clutch
(4)	—	Paper delivery pressure release roller
(5)	—	Paper discharge gate 3
(6)	STPD	Staple tray paper detection sensor
(7)	—	Staple unit
(8)	T3ORSL	Tray 3 paper exit clutch
(9)	T3OD	Tray 3 paper delivery sensor
(10)	STID	Staple tray paper entry sensor
(11)	—	Puddler

4 – 4

(Operation of stapling)
1)	2)					2)		1)
Jog plate								Jog plate
R								F

Pusher

Paper size

Jogging in lateral direction

1)The jog plates are moved to the stand-by position before the paper is fed to the staple tray.

2)Immediately after the paper is fed into the staple tray, the jog plate is moved to the paper size position to ensure the alignment of the paper.

Pusher

Paper discharge

Staple unit 1)

3)

2)

4)

position

Home

Staple position

position

5)

ST rail

Staple unit moving

motor

Staple unit movement at the time of stapling (1-point stapling)

1)The stapler unit is moved to the stapling position.

– The number of sheets to be stapled is fed to the staple tray –

2)The pusher (the sheets to be stapled) is lowered the stapling position.

3)The paper is stapled ... (in the case of 2-point stapling, the action that is described on the following page is added.)

4)The pusher (the sheets stapled) is elevated to the paper discharge position.

5)After the job, the stapler unit is returned to the home position.

					Pusher
														Staple unit
1)							3)
														moving range
												4)		Staple position

5) 2)

ST rail

Staple unit moving motor

Stapler unit movement at the time of stapling (2-point stapling action is added.)

1)The pusher is elevated to the position which makes it possible for the staple unit to move.

2)The staple unit is moved to the staple position where the 2nd staple is driven.

3)The pusher (sheets to be stapled) is lowered to the stapling position.

4)Sheets are stapled.

5)The staple unit is returned to the 1st staple position.

(After the job is finished, the staple unit is returned to the home position.)

D. Off-set tray

1) Off-set motor (3)

When the off-set motor (3) is driven, the tray is shifted sidewise against the direction in which the sheets are delivered, so that the sheets discharged into the off-set tray (1) are sorted by the specified number of sheets. The rotation is unidirectional and controlled by the crank. The motor is braked to a stop by the off-set home position sensor (2) turning ON.

(3)

(2)

					(1)
	Moving range
	(30 mm)
No.	Signal name			Part name
(1)	—		Tray 3 (Off-set tray)
(2)	OFHP		OFHP Off-set home position sensor
(3)	OFM		Off-set motor

4 – 5

E. Elevator

1) Elevator motor (3)

When the elevator motor (3) is driven, the winding pulley (5) is rotated in both forward and reverse to wind up the wire (6) stretching vertically so that the tray 3 (off-set tray) is moved up and down. This allows the discharge of paper at a fixed position according to the number of sheets to be loaded on the off-set tray.

2) Off-set tray full and load detection

When the power is turned ON, the off-set tray lowers to the lower limit sensor (4) position. Then it elevates until the upper limit sensor (7) turns ON, while counting the encoder pulses of the elevator motor (3).

The volume of paper loaded on the off-set tray is calculated (0 - 100%) by counting the number of pulses from the elevator encoder

(1).

The off-set tray is judged to be full when both the lower and upper limit sensors (4, 7) are turned ON.

3) Upper limit sensor solenoid (T3UPSL)

When the paper is discharged from the off-set tray, the upper limit sensor solenoid is turned on to pull in the actuator so that the sheet discharged does not ride on the actuator of the upper limit sensor (7).

(7)

(1)

(6)

(5)

(2)

(3)

(4)

No.	Signal name	Part name
(1)	—	Elevator motor encoder
(2)	—	Elevator drive unit
(3)	EVM	Elevator motor
(4)	T3DN	Tray 3 lower limit sensor
(5)	—	Winding pulley
(6)	—	Wire
(7)	T3UP	Tray 3 upper limit sensor

3. Basic operation

A. Basic operation flowchart

Power ON

Initialization when powered on

Independent movement of staple unit

(Staple position)

Independent shifting (Offset tray)

Operation when JAM error occurs

Operation when door is closed

JOB_START

Transfer

Stapling

Off-set trail paper discharge

JOB_END

Fig. 1 Basic operation flowchart

1) Initialization

The finisher is initialized (home positioning of each motor) at the following timing.

·When the power is turned on.

·The finisher leaves the copier and when either of the top or bottom door is opened.

·When the copier start key is pressed (JOB_START):

·Recovery action is performed.

4 – 6

[5] DISASSEMBLY AND REINSTALLATION

	[Note]	2. Staple unit movement motor
	· This section explains the procedure for disassembling and rein-
	stalling the unit. Reinstall the unit in the reverse order of disassem-	3)
	bly.

·Disassemble the unit in numerical order in each sketch.

·This section covers the procedure for disassembling the following

major parts. For the other parts, refer to the Parts Guide.		2)
No.	Part name	1)
1	Main drive motor
2	Staple unit movement motor	1)
3	Reversing motor
4	Elevator motor	2)
5	Off-set motor
6	Stapler
7	Jogger motor
8	Pusher motor	1)
9	Elevator wires, top and bottom	1)
10	Paper discharge roller 3

1. Main drive motor

2)

1)

3)

4)

5)

6)

5)

4)

4)

5)

5 – 1