Toshiba MR-3018 service manual Diagram of Signal Blocks, Req Ack Df-Req Df-Ack Scan-St Cnt Cpu

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2.5Diagram of Signal Blocks

Equipment	RADF
RxD
TxD
REQ
ACK
DF-REQ
DF-ACK
SCAN-ST
CNT
	CPU
DC 24V
DC 5V
	Reset IC
Downlad jig

Driver Original feed motor (M1)

Driver Read motor (M2)

Driver Original exit/reverse motor (M3)

Driver Fan motor (M4)

Driver Original pickup solenoid (SOL1)

Driver Gate solenoid (SOL2)

Original tray sensor (S1)

Original tray width sensor (S2)

Original empty sensor (S3)

Original length detection sensor (S4)

Original registration sensor (S5)

Original width detection sensor-1 (S6)

Original width detection sensor-2 (S7)

Original intermediate transport sensor (S8)

Read sensor (S9)

Original exit/reverse sensor (S10)

Jam access cover sensor (S11)

RADF opening/closing sensor (S12)

Jam access cover opening/closing switch (SW1)

2

Fig.2-4

June 2005 © TOSHIBA TEC

MR-3018 GENERAL DESCRIPTION

2 - 5

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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 Main Components General DescriptionFLP2 Sectional ViewElectric Parts Layout Motors Symbols and Functions of Various ComponentsREQ ACK DF-REQ DF-ACK SCAN-ST CNT CPU Diagram of Signal BlocksDescription of Interface Signals Outline Description of OperationsOriginal feed motor drive section Read motor drive section Original exit/reverse motor drive section Original tray width sensor Original Size DetectionA4 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 Drive Circuit for Feed Motor Description of CircuitDrive Circuit for Read Motor Drive Circuit for FAN Motor Drive Circuit for Exit MotorDrive Circuit for Pickup Solenoid Reset CircuitDrive Circuit for Gate Solenoid Cover Disassembly and AssemblyRear 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 Hinge stopper OthersMR-3018 Disassembly and Assembly Adjustment of Position AdjustmentMR-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 ~0.5mm 0mm Adjustment of HeightTurn it counterclockwise Heightened 17 Chart Original Adjustment of SkewShift the aligning plate in the direction of + MR-3018 Adjustment June 2005 Toshiba TEC 24 Chart Original Adjustment of the Leading Edge PositionMR-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 for Mechanical Errors TroubleshootingTroubleshooting for Electrical Errors YES MR-3018 Troubleshooting June 2005 Toshiba TEC Periodic Maintenance Maintenance and Rewriting ROMRewriting ROM Firmware Updating Assembly of PC Board Circuit Diagram / Harness DiagramCircuit DiagramOriginal 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

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