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MR-3022, MR-3018 service manual 13 09/05
Models:
MR-3018
MR-3022
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Troubleshooting
Specification
Diagram of Signal Blocks
Maintenance
Reset Circuit
Assembly of PC Board
Scanning start signal
Adjustment of Position
Jam access cover
Connector
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© 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved
MR-3018/3020/3021/3022
CIRCUIT DIAGRAM / HARNESS DIAGRAM
8 - 13 09/05
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Image 111
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Contents
MR-3018/3020/3021/3022
11/12
Trademarks
11/12
Page
Contents
Rewriting ROM Firmware Updating
Circuit Diagram / Harness Diagram
MR-3018/3020 MR-3021/3022
Specifications
Specifications
Main Components
Location Components
06/09
Sectional View
S8S4 S10
Electric Parts Layout
S12
S11 S7 S6 S5
Solenoid
Symbols and Functions of Various Components
Sensors and Switches
Motors
Diagram of Signal Blocks
Description of Interface Signals
Outline
Feed motor drive section
Read motor drive section
Original feed motor drive section
Intermediate transfer roller
Read motor drive section
Exit/reverse roller
Original exit/reverse motor drive section
Gate solenoid Reverse flap Exit/reverse motor
Reverse
Original width size
Original Size Detection
Original tray width sensor
= high level Open = low level Short
A4 series width sizes mixed at B5-R standard
A4 series width sizes mixed at A3 / A4 standard
A4 series width sizes mixed at B4 / B5 standard
A4 series width sizes mixed at A4-R standard
LT series ORG-SRS
LT series width sizes mixed at LD / LT standard
LT series width sizes mixed at LG / LT-R standard
Jam
Power on Standby Radf jam access
Cover OPEN? All sensors OFF?
Empty sensor ON?
Registration roller rotates. Feed motor rotates reverse
Original
Certain period Time passed?
Read motor rotates
Sent level High
Scanning start signal
Certain period
Duplex?
Read motor stops Certain period Time passed?
Original exit/reverse Sensor ON?
Jam Read sensor OFF?
Certain period Time passed?
Gate solenoid on
Scanning start signal sent level Low Scanning completed
Transport request Signal received?
Jam Original exit/reverse motor and read motor stop
Read motor and exit/reverse motor rotate at requested speed
Exposure and scanning start Original
Scanning completed
Sensor OFF?
Original exit/reverse motor and read motor stop
Original intermediate Transport sensor ON?
Jam Original exit/reverse Sensor OFF?
Drive Circuit for Feed Motor
Description of Circuit
Drive Circuit for Read Motor
Drive Circuit for FAN Motor
Drive Circuit for Exit Motor
Drive Circuit for Pickup Solenoid
Reset Circuit
Drive Circuit for Gate Solenoid
Cover
Front cover
Front cover
Pin
Jam access cover
Rear cover
Rear cover
Left cover
Take off the jam access cover by sliding it
Remove 1 screw and the hinge pin
Left cover
Original tray
Original reverse tray
Original reverse tray
Take off the paper feeder unit
Roller
Paper feeder unit
Remove 1 clip and slide 2 bushings
Clip Pickup roller
Pickup roller PM
Feed roller PM
Shaft
Shaft
Slide the pulley and remove 1 pin
Pull out the shaft and take off the feed roller
Pulley
Separation roller PM
Take off the jam access guide
Feeder lower guide
Stay
Exit/reverse roller
Registration roller
Exit/reverse roller
Exit guide
Pre-reading guide
Pre-reading guide
Intermediate transport roller
Hinge pin
Screw Bushing
Connector
Pre-reading roller
Post-reading roller
Platen guide
Flange Bearing Bushing
Bushing
Holder
Ring
Reverse registration roller
Upper guide
Post-reading roller
Roller
Open the RADF. Take off the reverse regis- tration roller
Read motor
Motor / Motor drive section
Fan motor M4
Read motor M2
Harness clamp
Read motor drive section
Spring
Spring
Screw Tensioner Ring
Remove 3 screws and then take off the bracket
Take off 1 timing belt and 4 bushings
Timing belt
Original feed motor drive section
Original feed motor M1
09/01
Take off the timing belt, bushings and pulley
Ring Bushing Bracket White Black
Red
Section
Disconnect 1 connector from the Radf con
Original exit/reverse motor M3
Original feed motor drive
Bracket
Solenoid
Original pickup solenoid SOL1
Original pickup solenoid
Gate solenoid SOL2
Mark-off line
Gate solenoid
Original tray width sensor S2
Sensor/switch
Original tray sensor S1
Release 2 latches and take off the original tray sensor
Original tray sensor
Metal plate cover
Jam access cover sensor S11
Jam access cover sensor
Original empty sensor S3
Remove 2 screws and take off the bracket
Original length detection sensor S4
Original empty sensor Original length detection sensor
Original width detection sensor-2 S7
Original registration sensor S5
Take off the feeder lower guide Feeder lower guide
Original width detection sensor-1 S6
Original exit/reverse sensor S10
Read sensor S9
Take off the pre-reading upper guide Pre-reading guide
Original intermediate transport sensor S8
Original exit/reverse sensor
Disconnect 3 terminals. Remove 1 screw
Original jam access cover opening/closing switch SW1
Take off the original jam access cover
Radf opening/closing sensor S12
PC Board
Radf control PC board ADF board
ADF board
Stopper
Others
Hinge stopper
Remove 1 screw and then take off the hinge
Disassembly and Assembly
Checking
Adjustment of Position
Adjustment
05/12
05/12
MR-3021/3022 only
Install the right-hand hinge screw at the rear
Install the bracket on the left-hand hinge
Side
05/12
~0.5mm 0mm
Adjustment of Height
Turn it clockwise
Turn it counterclockwise Heightened
19 Chart Original
Adjustment of Skew
Adjustment Simplex copying
05/12
26 Chart Original
Adjustment of the Leading Edge Position
Adjustment
11/12
Adjustment of Horizontal Position
11/12
Adjustment of Copy Ratio
11/12
Adjustment of Radf Opening/Closing Sensor
Adjustment
Troubleshooting for Mechanical Errors
Troubleshooting
Check or replace the Radf board
Troubleshooting for Electrical Errors
Jam not reaching the read sensor
Feed signal reception jam
Jam
Jam not reaching the original registration sensor
Stop jam at the original exit/reverse sensor
Radf jam access cover open jam
Stop jam at the original registration sensor
Stop jam at the read sensor
Radf open jam
Cover open jam in the read ready status
11/04
09/05
Symbols used in the checklist
Periodic Maintenance
Rewriting ROM Firmware Updating
Component side Soldered side
Assembly of PC Board
Circuit
Diagram
2005 2011 Toshiba TEC Corporation All rights reserved
1 MR-3018/3020
Control PC Board Circuit
Circuit Diagram / Harness Diagram
Circuit Diagram / Harness Diagram
Circuit Diagram / Harness Diagram
Circuit Diagram / Harness Diagram
Circuit Diagram / Harness Diagram
2 MR-3021
11 09/05
09/05
13 09/05
09/05
15 09/05
3 MR-3022
17 09/05
09/05
19 09/05
09/05
21 09/05
Circuit Diagram / Harness Diagram