Sharp MX-RB22 Service Manual ▷ View online
MX-RB22 MAINTENANCE 3 – 1
MX-RB20
Service Manual
[3] MAINTENANCE
1. Maintenance list
x: Check (Clean, replace, or adjust according to necessity.) O: Clean
: Replace : Adjust ☆ : Lubricate
*1: The each transport paper guides should be cleaned with alcohol by referring to the maintenance of the main unit.
MEMO:
Cleaning of the paper feed and paper transport system sensors and detectors
Cleaning of the paper feed and paper transport system sensors and detectors is not always necessary for every maintenance. In the following
case, check and clean.
case, check and clean.
* A trouble or jam is generated because of the sensors or detectors. (Check the jam history.)
MEMO:
Note for alcohol used for cleaning
Use ethanol alcohol for cleaning.
Parts work
sequence
Part name
When
calling
When machine
maintenance
Remarks
1
Inlet port roller (Drive)
O
O
2
Inlet port rear roller (Drive)
O
O
3
Paper exit front roller (Drive)
O
O
4
Paper exit roller (Drive)
O
O
5
Sensors
x
x
-
Paper guides
x
O
*1
MX-RB22 MAINTENANCE 3 – 2
2. Each unit disassembly
A. Paper pass unit
1)
1. Remove the joint part of the finisher and remove the con-
nector.
2. Remove four screws. PUll out the paper pass unit from the
left side after opening the paper pass front cover.
nector.
2. Remove four screws. PUll out the paper pass unit from the
left side after opening the paper pass front cover.
3. Disassembly and assembly of each
unit
A. Inlet port roller (Drive), inlet port rear roller
(Drive), paper exit front roller (Drive), paper
exit roller (Drive)
exit roller (Drive)
1)
Remove the paper pass unit.
2)
Open the upper guide unit, and clean the inlet port roller
(Drive), inlet port rear roller (Drive), paper exit front roller
(Drive), and the paper exit roller (Drive).
(Drive), inlet port rear roller (Drive), paper exit front roller
(Drive), and the paper exit roller (Drive).
No.
Name
1
Paper pass unit
1
No.
Name
1
Inlet port roller (Drive)
2
Inlet port rear roller (Drive)
3
Paper exit front roller (Drive)
4
Paper exit roller (Drive)
1
2
3
4
MX-RB22 MAINTENANCE 3 – 3
NOTE: If the interface reverse path solenoid is removed, the
adjustment is required at the installation.
Slide the flapper toward the left side with the solenoid plunger
pushed in, until the position in which width becomes maximum.
Install the interface reverse path solenoid.
pushed in, until the position in which width becomes maximum.
Install the interface reverse path solenoid.
24 - 26mm
MX-RB22 OPERATION DESCRIPTIONS 4 – 1
MX-RB20
Service Manual
[4] OPERATIONAL DESCRIPTIONS
1. Electrical mechanism diagram
Signal name
Name
Function/Operation
PDOS
Paper delivery unit cover open sensor
Interface cover open detection.
PDPGS
Interface reverse path solenoid
Drive of the flapper which selects the path in the finisher and the reverse path.
PDPPD1
Paper delivery unit paper pass detector 1
Interface inlet port paper detection.
PDPPD2
Paper delivery unit paper pass detector 2
Interface outlet port paper detection.
PDPTM
Interface transport motor
Paper transport roller drive.
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 paper transport 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.
PDPTM
PDPGS
PDPPD1
PDPPD2
1
PDOS
2
4
3
5
6
7
8
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