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MR-3018, MR-3022 service manual Specifications
Models:
MR-3018
MR-3022
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Troubleshooting
Specifications
Diagram of Signal Blocks
Maintenance
Reset Circuit
Assembly of PC Board
Scanning start signal
Adjustment of Position
Jam access cover
Connector
Page 8
Image 8
MR-3018/3020/3021/3022
© 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved
SPECIFICATIONS
1 - 2
Page 7
Page 9
Page 8
Image 8
Page 7
Page 9
Contents
MR-3018/3020/3021/3022
Trademarks
11/12
11/12
Page
Contents
Circuit Diagram / Harness Diagram
Rewriting ROM Firmware Updating
Specifications
MR-3018/3020 MR-3021/3022
Specifications
06/09
Main Components
Location Components
Sectional View
Electric Parts Layout
S12
S11 S7 S6 S5
S8S4 S10
Symbols and Functions of Various Components
Sensors and Switches
Motors
Solenoid
Diagram of Signal Blocks
Description of Interface Signals
Read motor drive section
Outline
Feed motor drive section
Original feed motor drive section
Read motor drive section
Intermediate transfer roller
Original exit/reverse motor drive section
Gate solenoid Reverse flap Exit/reverse motor
Reverse
Exit/reverse roller
Original Size Detection
Original tray width sensor
= high level Open = low level Short
Original width size
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
A4 series width sizes mixed at B5-R standard
LT series width sizes mixed at LG / LT-R standard
LT series ORG-SRS
LT series width sizes mixed at LD / LT standard
Power on Standby Radf jam access
Cover OPEN? All sensors OFF?
Empty sensor ON?
Jam
Original
Certain period Time passed?
Read motor rotates
Registration roller rotates. Feed motor rotates reverse
Scanning start signal
Certain period
Duplex?
Sent level High
Original exit/reverse Sensor ON?
Jam Read sensor OFF?
Certain period Time passed?
Read motor stops Certain period Time passed?
Scanning start signal sent level Low Scanning completed
Gate solenoid on
Read motor and exit/reverse motor rotate at requested speed
Transport request Signal received?
Jam Original exit/reverse motor and read motor stop
Sensor OFF?
Exposure and scanning start Original
Scanning completed
Jam Original exit/reverse Sensor OFF?
Original exit/reverse motor and read motor stop
Original intermediate Transport sensor ON?
Description of Circuit
Drive Circuit for Feed Motor
Drive Circuit for Read Motor
Drive Circuit for Exit Motor
Drive Circuit for FAN Motor
Reset Circuit
Drive Circuit for Pickup Solenoid
Drive Circuit for Gate Solenoid
Front cover
Cover
Front cover
Jam access cover
Rear cover
Rear cover
Pin
Take off the jam access cover by sliding it
Remove 1 screw and the hinge pin
Left cover
Left cover
Original tray
Original reverse tray
Original reverse tray
Roller
Paper feeder unit
Remove 1 clip and slide 2 bushings
Take off the paper feeder unit
Pickup roller PM
Feed roller PM
Shaft
Clip Pickup roller
Slide the pulley and remove 1 pin
Pull out the shaft and take off the feed roller
Pulley
Shaft
Separation roller PM
Stay
Take off the jam access guide
Feeder lower guide
Registration roller
Exit/reverse roller
Exit guide
Exit/reverse roller
Pre-reading guide
Intermediate transport roller
Hinge pin
Pre-reading guide
Connector
Pre-reading roller
Post-reading roller
Screw Bushing
Flange Bearing Bushing
Bushing
Holder
Platen guide
Reverse registration roller
Upper guide
Post-reading roller
Ring
Open the RADF. Take off the reverse regis- tration roller
Roller
Motor / Motor drive section
Fan motor M4
Read motor M2
Read motor
Read motor drive section
Spring
Spring
Harness clamp
Remove 3 screws and then take off the bracket
Take off 1 timing belt and 4 bushings
Timing belt
Screw Tensioner Ring
Original feed motor M1
Original feed motor drive section
Take off the timing belt, bushings and pulley
Ring Bushing Bracket White Black
Red
09/01
Disconnect 1 connector from the Radf con
Original exit/reverse motor M3
Original feed motor drive
Section
Solenoid
Original pickup solenoid SOL1
Original pickup solenoid
Bracket
Gate solenoid
Gate solenoid SOL2
Mark-off line
Sensor/switch
Original tray width sensor S2
Original tray sensor
Original tray sensor S1
Release 2 latches and take off the original tray sensor
Jam access cover sensor S11
Jam access cover sensor
Original empty sensor S3
Metal plate cover
Original empty sensor Original length detection sensor
Remove 2 screws and take off the bracket
Original length detection sensor S4
Original registration sensor S5
Take off the feeder lower guide Feeder lower guide
Original width detection sensor-1 S6
Original width detection sensor-2 S7
Read sensor S9
Take off the pre-reading upper guide Pre-reading guide
Original intermediate transport sensor S8
Original exit/reverse sensor S10
Original exit/reverse sensor
Original jam access cover opening/closing switch SW1
Take off the original jam access cover
Radf opening/closing sensor S12
Disconnect 3 terminals. Remove 1 screw
ADF board
PC Board
Radf control PC board ADF board
Others
Hinge stopper
Remove 1 screw and then take off the hinge
Stopper
Disassembly and Assembly
Adjustment of Position
Checking
Adjustment
05/12
05/12
Install the right-hand hinge screw at the rear
Install the bracket on the left-hand hinge
Side
MR-3021/3022 only
05/12
Adjustment of Height
~0.5mm 0mm
Turn it counterclockwise Heightened
Turn it clockwise
Adjustment of Skew
19 Chart Original
Adjustment Simplex copying
05/12
Adjustment of the Leading Edge Position
26 Chart Original
Adjustment
11/12
Adjustment of Horizontal Position
11/12
Adjustment of Copy Ratio
11/12
Adjustment of Radf Opening/Closing Sensor
Adjustment
Troubleshooting
Troubleshooting for Mechanical Errors
Troubleshooting for Electrical Errors
Check or replace the Radf board
Feed signal reception jam
Jam
Jam not reaching the original registration sensor
Jam not reaching the read sensor
Radf jam access cover open jam
Stop jam at the original registration sensor
Stop jam at the read sensor
Stop jam at the original exit/reverse sensor
11/04
Radf open jam
Cover open jam in the read ready status
09/05
Periodic Maintenance
Symbols used in the checklist
Rewriting ROM Firmware Updating
Assembly of PC Board
Component side Soldered side
Diagram
Circuit
2005 2011 Toshiba TEC Corporation All rights reserved
Control PC Board Circuit
1 MR-3018/3020
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