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MR-3018, MR-3022 service manual
Models:
MR-3018
MR-3022
1
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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
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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
S11 S7 S6 S5
Electric Parts Layout
S12
S8S4 S10
Motors
Symbols and Functions of Various Components
Sensors and Switches
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
Reverse
Original exit/reverse motor drive section
Gate solenoid Reverse flap Exit/reverse motor
Exit/reverse roller
= high level Open = low level Short
Original Size Detection
Original tray width sensor
Original width size
A4 series width sizes mixed at A4-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 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
Empty sensor ON?
Power on Standby Radf jam access
Cover OPEN? All sensors OFF?
Jam
Read motor rotates
Original
Certain period Time passed?
Registration roller rotates. Feed motor rotates reverse
Duplex?
Scanning start signal
Certain period
Sent level High
Certain period Time passed?
Original exit/reverse Sensor ON?
Jam Read sensor OFF?
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
Rear cover
Jam access cover
Rear cover
Pin
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
Remove 1 clip and slide 2 bushings
Roller
Paper feeder unit
Take off the paper feeder unit
Shaft
Pickup roller PM
Feed roller PM
Clip Pickup roller
Pulley
Slide the pulley and remove 1 pin
Pull out the shaft and take off the feed roller
Shaft
Separation roller PM
Stay
Take off the jam access guide
Feeder lower guide
Registration roller
Exit/reverse roller
Exit guide
Exit/reverse roller
Hinge pin
Pre-reading guide
Intermediate transport roller
Pre-reading guide
Post-reading roller
Connector
Pre-reading roller
Screw Bushing
Holder
Flange Bearing Bushing
Bushing
Platen guide
Post-reading roller
Reverse registration roller
Upper guide
Ring
Open the RADF. Take off the reverse regis- tration roller
Roller
Read motor M2
Motor / Motor drive section
Fan motor M4
Read motor
Spring
Read motor drive section
Spring
Harness clamp
Timing belt
Remove 3 screws and then take off the bracket
Take off 1 timing belt and 4 bushings
Screw Tensioner Ring
Original feed motor M1
Original feed motor drive section
Red
Take off the timing belt, bushings and pulley
Ring Bushing Bracket White Black
09/01
Original feed motor drive
Disconnect 1 connector from the Radf con
Original exit/reverse motor M3
Section
Original pickup solenoid
Solenoid
Original pickup solenoid SOL1
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
Original empty sensor S3
Jam access cover sensor S11
Jam access cover sensor
Metal plate cover
Original empty sensor Original length detection sensor
Remove 2 screws and take off the bracket
Original length detection sensor S4
Original width detection sensor-1 S6
Original registration sensor S5
Take off the feeder lower guide Feeder lower guide
Original width detection sensor-2 S7
Original intermediate transport sensor S8
Read sensor S9
Take off the pre-reading upper guide Pre-reading guide
Original exit/reverse sensor S10
Original exit/reverse sensor
Radf opening/closing sensor S12
Original jam access cover opening/closing switch SW1
Take off the original jam access cover
Disconnect 3 terminals. Remove 1 screw
ADF board
PC Board
Radf control PC board ADF board
Remove 1 screw and then take off the hinge
Others
Hinge stopper
Stopper
Disassembly and Assembly
Adjustment of Position
Checking
Adjustment
05/12
05/12
Side
Install the right-hand hinge screw at the rear
Install the bracket on the left-hand hinge
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
Jam not reaching the original registration sensor
Feed signal reception jam
Jam
Jam not reaching the read sensor
Stop jam at the read sensor
Radf jam access cover open jam
Stop jam at the original registration 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