Read Sharp MX-RB20 Service Manual online
SERVICE MANUAL
Parts marked with "
" are 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.
SHARP CORPORATION
[1] SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
[2] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2. Motor, Solenoid, Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
3. Roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
[3] MAINTENANCE
1. Maintenance list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
2. Each unit disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3. Part disassembly in each unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
[4] OPERATIONAL DESCRIPTIONS
1. Electrical mechanism diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
[5] ELECTRICAL SECTION
1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
2. Actual wiring diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
CODE: 00ZMXRB20/S1E
CONTENTS
MX-RB20
DIGITAL FULL COLOR
MULTIFUNCTIONAL SYSTEM
OPTION
MULTIFUNCTIONAL SYSTEM
OPTION
PAPER PASS UNIT
MODEL
MX-RB20 SPECIFICATIONS 1 – 1
MX-RB20
Service Manual
[1] SPECIFICATIONS
Type
Paper pass unit
Paper reception reference
Center reference
Receiving speed
70 to 450mm/sec (20 to 51cpm)
Receiving and sending speed
20 to 51cpm
Paper weight
Thin paper:
Plain paper:
Heavy paper:
Plain paper:
Heavy paper:
55 to 59g/m
2
(15 to 16 lbs Bond)
60 to 105g/m
2
(16 to 28 lbs Bond)
106 to 300g/m
2
(28 lbs Bond to 110 lbs Cover
Transportable paper range
Width direction : 90 mm to 305mm
Length direction : 140mm to 457mm
Long paper length : to 1200mm
Length direction : 140mm to 457mm
Long paper length : to 1200mm
External dimensions (W x D x H)
585 x 667 x 224mm
Weight
Approx. 5kg / 11lbs
Power source
Supplied by finisher
Power consumption
Included with finisher power consumption
Interface
Mechanical:
Fixed to the main unit with screws.
Electrical:
Cable connection from the finisher
Control:
Controlled by the communication command from the main unit through the finisher.
Installation/maintenance
Installed by service personnel
Optional detection
Auto detection supported
MX-RB20 EXTERNAL VIEW AND INTERNAL STRUCTURE 2 – 1
MX-RB20
Service Manual
[2] EXTERNAL VIEW AND INTERNAL STRUCTURE
1. Sensor
2. Motor, Solenoid
Signal name
Name
Type
Function/Operation
PDOS
Paper delivery unit cover open sensor
Photo interrupter
Interface cover open detection.
PDPPD1
Paper delivery unit paper pass detector 1
Photo interrupter
Interface inlet port paper detection.
PDPPD2
Paper delivery unit paper pass detector 2
Photo interrupter
Interface outlet port paper detection.
Signal name
Name
Function/Operation
PDPGS
Interface reverse path solenoid
Drive of the flapper which selects the path in the finisher and the reverse path.
PDPTM
Interface transport motor
Paper transport roller drive.
PDPPD2
PDOS
PDPPD1
0$04-
0$0'3
MX-RB20 EXTERNAL VIEW AND INTERNAL STRUCTURE 2 – 2
3. Roller
No.
Name
Function/Operation
1
Paper exit roller (Idle)
Transmits the transport power of the paper exit roller to paper.
2
Paper exit front roller (Idle)
Transmits the transport power of the paper exit front roller to paper.
3
Inlet port rear roller (Idle)
Transmits the transport power of the inlet port rear roller to paper.
4
Inlet port roller (Idle)
Transmits the transport power of the bundle exit inlet port roller to paper.
5
Paper exit roller (Drive)
Transports paper.
6
Paper exit front roller (Drive)
Transports paper.
7
Inlet port rear roller (Drive)
Transports paper.
8
Inlet port roller (Drive)
Transports paper.