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(2) Rollers a. Paper delivery cabinet 1) Remove the delivery roller. 2) Remove (A) the screw, remove (B) the ADU open/closed sensor mounting plate, and detach the connector. 3) Remove the screws, and take out (C) the paper delivery cabinet unit. (3) Transport paper guides C B A B. Drive section ✕ : Check (for cleaning, replacement or adjustment as necessary) ❍ : Clean v : Replace ∆ : Adjust ✩ : Lubricate ❏ : Relocate Unit name Drive unit No. Part name 1 Gears When requested 50K 100K 150K 200K 250K 300K 350K 400K Remarks ✕ ✕ ✕ ✕ ✕ (designated spots) 2 Belts ✕ ✕ (1) Gears a. Copier 1) Remove the rear casing. 2) Remove the front gears. AR-RB1 DISASSEMBLY, ASSEMBLY AND MAINTENANCE 5 - 4

Section	Page
[1] SPECIFICATIONS	2
1. Type	2
2. System	2
3. Paper size	2
4. Paper weight	2
5. Paper capacity	2
6. Paper feed transport speed	2
7. Paper feed speed	2
8. Power supply	2
9. Weight	2
10.Drive pattern	2
11.Outer dimensions	2
12.Power consumption	2
[2] UNPACKING AND INSTALLATION	2
1. UNPACKING	2
2. Installation	2
1. Turn off the main switch of the main unit.	3
2. Remove the actuator.	3
3. Remove the paper output section covers.	3
4. Attach the duplex bypass/inverter unit to the main unit.	4
5. Secure the duplex bypass/inverter unit.	4
6. Attach the transport guide.	4
7. Connect the harness of the duplex bypass/ inverter unit.	5
[3] INTERIOR CONSTRUCTION	6
Motors and solenoid	6
PWB and sensors	6
Cross-section diagram	7
[4] DESCRIPTION OF OPERATION	8
• The operations include straight delivery, reverse tray delivery, reverse finisher delivery, and...	8
• In the case of straight delivery, BPOD (paper discharge detect) detects the passing paper.	8
• In the case of reverse tray delivery operation, the paper-in motor and the upper reverse motor ...	8
• In the case of reverse finisher delivery operation, the same as reverse tray delivery operation.	8
• In the case of ADU operation, the lower reverse motor operates, and the paper being transported...	8
(1) Initial operation	9
(2) Straight delivery operation	9
(3) Reverse tray delivery operation	10
A. When paper length is 249mm or less (letter size or less) (Both the paper input motor and upper...	10
B. When the paper length is 250mm or more (B5R or more) (The paper input motor, upper turnover mo...	11
(4) Reverse finisher delivery operation	12
A. When paper length is 249mm or less (letter size or less) (Both the paper input motor and upper...	12
B. When the paper length is 250mm or more (B5R or more)	12
(5) ADU delivery operation (AR-D19 the installed)	13
[5] DISASSEMBLY, ASSEMBLY AND MAINTENANCE	14
1. Maintenance system table	14
2. Maintenance	15
A. Transport section	15
B. Drive section	17
C. Others	18
D. Principal parts	19
[6] ELECTRICAL SECTION	20
(1) Actual wiring chart	20
(2) Signal list	21
(3) Block diagram	21
(4) Circuit diagram	22
(5) Layout of parts	23