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SERVICE MANUAL
REVERSING AUTOMATIC DOCUMENT FEEDER
MR-3018/3020/3021/3022
Model: MR-3018/3020/3021/3022
Publish Date: June 2005
File No. SME050006H0
R05032183100-TTEC
Ver08_2011-12
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Trademarks • The official name of Windows XP is Microsoft Windows XP Operating System. • The official name of Windows 7 is Microsoft Windows 7 Operating System. • Microsoft, Windows, Windows NT, Windows Vista and the brand names and product names of other Microsoft products are trademarks or registered trademarks of Microsoft Corporation in the U.S. and/or other countries. • Molykote is a registered trademark of Dow Corning Corporation. • FLOIL is a registered trademark of Kanto Kasei Ltd. COR
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General Precautions for Installation/Servicing/Maintenance for the MR-3018/3020/3021/3022 The installation and service shall be done by a qualified service technician. 1) When installing the MR-3018/3020/3021/3022 to the Equipment, be sure to follow the instructions described in the “Unpacking/Set-Up Procedure for the MR-3018/3020/3021/3022” booklet which comes with each unit of the MR-3018/3020/3021/3022. 2) The MR-3018/3020/3021/3022 should be installed by an authorized/qualified person. 3)
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CONTENTS 1. SPECIFICATIONS......................................................................................................... 1-1 2. GENERAL DESCRIPTION............................................................................................ 2-1 2.1 Main Components................................................................................................................ 2-1 2.2 Sectional View ..........................................................................................
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7.2 Rewriting ROM (Firmware Updating)................................................................................... 7-2 8. CIRCUIT DIAGRAM / HARNESS DIAGRAM ............................................................... 8-1 8.1 Assembly of PC Board.........................................................................................................8-1 8.2 Circuit Diagram.................................................................................................................... 8
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1. SPECIFICATIONS 1 Item MR-3018/3020 MR-3021/3022 Maximum number of originals Up to 100 sheets or 16 mm in height. ← 2 on the original feeding tray * 35 - 80 g/m (9.3 - 21.3 lb. Bond) Acceptable paper size A5-R, A4, A4-R, B5, B5-R, B4, A3, ← FOLIO, ST-R, LT, LT-R, LG, LD, COM- PUTER 2 Acceptable paper weight ← 1-sided: 35 - 157 g/m (9.3 lb. Bond - 58 lb. Cover) 2 2-sided: 50 - 157 g/m (13.3 lb. Bond - 58 lb. Cover) Dimensions W600 x D523 x H135 (mm) W575 x D528 x H135 (mm) * Excluding hinges an
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MR-3018/3020/3021/3022 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved SPECIFICATIONS 1 - 2
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2. GENERAL DESCRIPTION 2.1 Main Components Original tray section Drive/Control section 2 Original exit tray section Feeding/Transporting section Fig. 2-1 Location Components Feeding/Transporting Pickup roller Original empty sensor (S3) Original length detection sensor (S4) section Feed roller Separation roller Original registration sensor (S5) Registration roller Original width detection sensor-1 (S6) Original width detection sensor-2 (S7) Intermediate transfer roller Pre-reading roller Origi
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2.2 Sectional View R8 R4 R2 R3 R1 TRY2 TRY3 TRY1 R5 R6 R7 FLP1 R9 FLP2 Fig. 2-2 TRY1 Original tray R3 Separation roller TRY2 Original reverse tray R4 Registration roller TRY3 Original exit tray R5 Intermediate transfer roller FLP1 Exit gate R6 Pre-reading roller FLP2 Reverse flap R7 Post-reading roller R1 Pickup roller R8 Reverse registration roller R2 Feed roller R9 Exit/reverse roller MR-3018/3020/3021/3022 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved GENERAL DESCRIPTION 2 - 2 06
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2.3 Electric Parts Layout ADF SOL1 SOL2 M1 2 M4 M2 M3 S2 S12 S1 S3 S11 S5 S7 S6 SW1 S9 S8 S4 S10 Fig. 2-3 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved MR-3018/3020/3021/3022 GENERAL DESCRIPTION 2 - 3 06/09
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2.4 Symbols and Functions of Various Components 1) Motors Symbol Name Function M1 Original feed motor Drives the original feed roller, pickup roller and registration roller. M2 Read motor Transports originals by driving the intermediate transport roller, front read roller, rear read roller and reverse registration roller. M3 Original exit/reverse motor Drives the original exit/reverse roller. M4 Fan motor Cools off the ADF drive section and ADF board. 2) Sensors and Switches Symbol Name Functio
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2.5 Diagram of Signal Blocks Equipment RADF RxD ( ) Driver Original feed motor M1 ( ) TxD Driver Read motor M2 ( ) REQ Original exit/reverse motor M3 Driver 2 ACK ( ) Driver Fan motor M4 DF-REQ ( ) Original pickup solenoid SOL1 Driver ( ) DF-ACK Gate solenoid SOL2 Driver SCAN-ST ( ) Original tray sensor S1 CNT ( ) Original tray width sensor S2 ( ) Original empty sensor S3 CPU ( ) Original length detection sensor S4 ( ) Original registration sensor S5 DC 24V ( ) Original width detection sensor-1
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2.6 Description of Interface Signals The following 6 lines are used to transmit/receive signals between the equipment and the RADF. REQ ......................Communication request signal (from equipment to the RADF) DF-REQ ................Communication request signal (from the RADF to equipment) DF-ACK.................Communication request acknowledging signal (from the RADF to equipment) ACK.......................Communication request acknowledging signal (from equipment to the RADF) TxD ......
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3. DESCRIPTION OF OPERATIONS 3.1 DRIVE SYSTEM Feed motor drive section 3 Read motor drive section Exit/reverse motor drive section Fig. 3-1 3.1.1 Outline Originals are transported by the original feed motor, read motor and original exit/reverse motor. Each motor has a drive section for the following operations: Original feed motor drive section: picks up originals and drives the registration roller. Read motor drive section: transports originals and drives parts such as the pre-reading roller
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Pickup roller 3.1.2 Original feed motor drive section Original feed motor Oneway clutch Feed roller Oneway clutch Separation roller Pickup Registration roller Feed Fig. 3-2 When an original is placed on the original tray and the RADF receives a feed request signal from the equipment, the feeding of the original is started. The original empty sensor detects the presence of the original, and then the pickup roller is lowered by the drive from the original pickup solenoid. The Original feed moto
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3.1.3 Read motor drive section Read motor Reverse registration roller Post-reading roller 3 Pre-reading roller Intermediate transfer roller Fig. 3-3 The transported original is driven by the read motor. Then the original is transported to a scanning start position by the intermediate transfer roller and pre- reading roller. The original transported to the scanning start position is then scanned in the scanner function of the equipment. When the data of the original have been scanned, the origi
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3.1.4 Original exit/reverse motor drive section Gate solenoid Reverse flap Exit/reverse motor Exit Exit/reverse roller Reverse Fig. 3-4 When the data of the original have been scanned, the original is exited to the original exit tray by the exit/reverse roller driven by the exit motor (shown in a solid line in the figure). In the duplex scanning mode, the gate solenoid is turned ON and the reverse flap is lowered to switch the transport path to the reverse tray side when the scanning of one s
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3.2 Original Size Detection The original tray width sensor, original length detection sensor, and original width detection sensors-1 and -2 work in combination to detect the size of originals. Original tray width sensor Original width detection sensor-1 Original width detection sensor-2 3 Original length detection sensor Fig. 3-5 3.2.1 Outline When an original is placed on the original tray, the width of the original is detected by the positions of the original width guides. Then the original
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3.2.3 Original width detection sensors-1 and -2 / Original length detection sensor The size of the original is determined by the detection performed in combination of the original width detection sensors-1 and -2 and the original length detection sensor, as well as the detection performed by the original tray width sensor. Sizes detectable in combination of these sensors are as follows: A4 series (ORG-SRS: 1) Original length Original width Original width Size determined Original tray width d
