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service manual MR-3018 Troubleshooting June 2005 Toshiba TEC
Models:
MR-3018
1
90
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Troubleshooting
Specification
Diagram of Signal Blocks
Maintenance
Reset Circuit
Disassembly and Assembly
Adjustment
Jam access cover sensor
Connector
Sensor/switch
Page 90
Image 90
MR-3018
Troubleshooting
June 2005 © TOSHIBA TEC
6 - 4
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Contents
MR-3018
Toshiba TEC Corporation
Page
Page
Contents
Circuit Diagram / Harness Diagram
Specification
MR-3018 Specification June 2005 Toshiba TEC
General Description
Main Components
Sectional View
FLP2
Electric Parts Layout
Symbols and Functions of Various Components
Motors
Diagram of Signal Blocks
REQ ACK DF-REQ DF-ACK SCAN-ST CNT CPU
Description of Interface Signals
Description of Operations
Outline
Original feed motor drive section
Read motor drive section
Original exit/reverse motor drive section
Original Size Detection
Original tray width sensor
A4 series width sizes mixed at A3 / A4 standard
LT series ORG-SRS
Flow Chart
ON? YES
Certain period
YES
Gate solenoid on
Transport request Signal received?
Exposure and scanning start Original
END
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
Disassembly and Assembly
Cover
Rear cover Pin Dial Clip
Left cover Remove 2 screws and take off the left cover
Original tray Take off the front cover
Original reverse tray Take off the original tray
Roller
Pickup roller PM Take off the paper feeder unit
Slide the pulley and remove 1 pin
Separation roller PM Take off the paper feeder unit
Feeder lower guide Take off the original tray
Registration roller Take off the feeder lower guide
Exit guide
Pre-reading lower guide
Connector
Flange
Upper guide
Reverse registration
Motor / Motor drive section
Spring
Remove 3 screws and then take off the bracket
Spring
Bushing Harness clamp Ring Bracket Screw
Original exit/reverse motor M3
Solenoid
Mark-off line
Sensor/switch
Remove 2 screws and take off the holder
Jam access cover sensor
Original empty sensor
Actuator
Connector Holder
Original exit/reverse sensor
Opening/closing
PC Board
Others
Hinge stopper
MR-3018 Disassembly and Assembly
Adjustment
Adjustment of Position
MR-3018 Adjustment June 2005 Toshiba TEC
Loosen the hinge screws at the front side
Match the screw hole positions
June 2005 Toshiba TEC MR-3018 Adjustment
Adjustment of Height
~0.5mm 0mm
Turn it counterclockwise Heightened
Adjustment of Skew
17 Chart Original
Shift the aligning plate in the direction of +
MR-3018 Adjustment June 2005 Toshiba TEC
Adjustment of the Leading Edge Position
24 Chart Original
MR-3018 Adjustment June 2005 Toshiba TEC
Adjustment of Horizontal Position
Adjustment of Copy Ratio
Adjustment of Radf Opening/Closing Sensor
MR-3018 Adjustment June 2005 Toshiba TEC
Troubleshooting
Troubleshooting for Mechanical Errors
Troubleshooting for Electrical Errors
YES
MR-3018 Troubleshooting June 2005 Toshiba TEC
Maintenance and Rewriting ROM
Periodic Maintenance
Rewriting ROM Firmware Updating
Circuit Diagram / Harness Diagram
Assembly of PC Board
Diagram
Circuit
Original tray sensor Original tray width sensor
Control PC Board Circuit
MR-3018 Circuit Diagram / Harness Diagram
MR-3018 Circuit Diagram / Harness Diagram
June 2005 Toshiba TEC
MR-3018 Circuit Diagram / Harness Diagram
June 2005 Toshiba TEC
MR-3018 Circuit Diagram / Harness Diagram
