Toshiba MR-4010 Service Manual

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SERVICE MANUAL

DUAL SCAN DOCUMENT FEEDER

MR-4010/4020

Model: MR-4010/4020

Publish Date: December, 2021

File No. SME21001700

R210221X2100-TTEC

Ver00 F1 2022-03

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Summary of Contents for Toshiba MR-4010

Page 1 SERVICE MANUAL DUAL SCAN DOCUMENT FEEDER MR-4010/4020 Model: MR-4010/4020 Publish Date: December, 2021 File No. SME21001700 R210221X2100-TTEC Ver00 F1 2022-03...
Page 2 The company and product names described in this manual are trademarks or registered trademarks of their respective companies. © 2021, 2022 Toshiba Tec Corporation All rights reserved Under the copyright laws, this manual cannot be reproduced in any form without the prior written...
Page 3 General Precautions for Installation, Servicing and Maintenance for this Option The installation and service shall be done by a qualified service technician. 1. When installing this option to the MFP, be sure to follow the instructions described in the “Unpacking/Set-Up Procedure for the Equipment” booklet which comes with this option. 2.
Page 4 17.Unplug the power cable and clean the area around the prongs of the plug and socket outlet once a year or more. A fire may occur when dust lies on this area. 18.Check the procedures and perform them as described in the Service Manual. 19.Make sure you do not lose your balance.
Page 5: Table Of Contents
DSDF original feed sensor (SD5), DSDF tray lift upper limit sensor (SD9) ..4-21 4.5.2 DSDF original width detection sensor-1 (SD7), DSDF original width detection sensor-2 (SD8) ..........4-23 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 CONTENTS...
Page 6 Other Errors ........................6-1 7. MAINTENANCE ......................7-1 Maintenance and Inspection Points .................. 7-1 Maintenance Part List ....................... 7-2 7.2.1 How to attach the stopper jig ................7-2 Firmware Updating......................7-3 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved CONTENTS...
Page 9: Specifications
DSDF I/F board (1 pc.) DSDF I/F board fixing screw (2 pcs.) Locking support (1 pc.) Hinge cover (1 pc.) Positioning pin (2 pcs.) Washer (2 pcs.) Label (1 pc.) © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 SPECIFICATIONS 1 - 1...
Page 11: Overview
DSDF lower cover interlock switch SWD2 DSDF upper cover interlock switch Original scanning CCDD DSDF-CCD module DSDF shading sheet SD14 DSDF shading sheet HP sensor Original exit tray © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 OVERVIEW 2 - 1...
Page 12 DSDF read motor DSDF original exit motor DSDF cooling fan motor DSDF tray-up clutch DLGD DSDF control PC board DLGRLY DSDF multiple feeding detection relay PC board MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved OVERVIEW 2 - 2...
Page 13: Sectional View
Original tray lift DSDF registration roller Original exit tray Pre-read roller-1 DFRLY DSDF relay PC board Post-read roller-1 DLGRLY DSDF multiple feeding detection relay PC board (MR-4020 only) © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 OVERVIEW 2 - 3...
Page 14 DSDF original width detection sensor-2 SD17 Multiple feeding detection sensor (transmission side) (MR-4020 only) DSDF tray lift upper limit sensor SD18 Multiple feeding detection sensor (reception side) (MR-4020 only) MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved OVERVIEW 2 - 4...
Page 15: Electric Parts Layout
Electric Parts Layout [A] Motor layout LEDD SD17 Fig. 2-4 [B] Original sensor layout 1 SD18 Fig. 2-5 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 OVERVIEW 2 - 5...
Page 18: Symbols And Functions Of Various Components
DSDF original width Detects the width of the  P. 2-5 “[B] Fig. 2- 3-11 detection sensor-1 original. Original sensor layout 1” MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved OVERVIEW 2 - 8...
Page 19 Shuts down the 24 V voltage  P. 2-6 “[C] Fig. 2- 6-19 interlock switch when the DSDF upper cover Original sensor is opened. layout 2” © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 OVERVIEW 2 - 9...
Page 20: Pc Board
Name Function Remarks CCDD DSDF-CCD module Scans the back side of the  P. 2-7 “[D] PC Fig. 2- 5-22 original in the DSDF. board layout” MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved OVERVIEW 2 - 10...
Page 21: Signal Block Diagram
(DLGRLY) Multiple feeding detection sensor (transmission side)(SD17) Multiple feeding detection sensor (reception side)(SD18) DSDF relay DSDF-CCD module PC board EEPROM DC 15V DC 5V Fig. 2-8 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 OVERVIEW 2 - 11...
Page 22: Interface Signals
DSDF, whether the signals are transmitted or received properly cannot be checked using testing devices in the field. DSDF Equipment DF-ACK DF-REQ Fig. 2-9 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved OVERVIEW 2 - 12...
Page 23: Operation Description
[ 1 ] Fig. 3-1 Symbol Name Transport path DSDF-CCD module Front side scanning section (DF original glass section) Back side scanning section (DSDF-CCD module scanning section) © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 OPERATION DESCRIPTION 3 - 1...
Page 24: Drive Section
Fig. 3-2 Symbol Name DSDF original feed motor DSDF pickup roller DSDF original feed roller DSDF separation roller MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved OPERATION DESCRIPTION 3 - 2...
Page 25: Dsdf Separation Motor
DSDF separation motor DSDF tray-up clutch DSDF separation roller DSDF pickup roller Original tray lift DSDF original feed roller DSDF tray lift lower limit sensor © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 OPERATION DESCRIPTION 3 - 3...
Page 26: Dsdf Registration Motor
The DSDF registration motor rotates the DSDF registration roller. The DSDF registration roller aligns the paper and transports it to the pre-read roller-1. Fig. 3-4 Symbol Name DSDF registration motor DSDF registration roller MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved OPERATION DESCRIPTION 3 - 4...
Page 27: Dsdf Read Motor
ADF original glass. The pre-read roller-2 and the post-read roller-2 perform original transporting at the scanning section of the DSDF-CCD module. Fig. 3-5 Symbol Name Symbol Name DSDF read motor Pre-read roller-2 Pre-read roller-1 Post-read roller-2 Post-read roller-1 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 OPERATION DESCRIPTION 3 - 5...
Page 28: Dsdf Original Exit Motor
Fig. 3-6 Symbol Name Symbol Name DSDF original exit motor DSDF shading sheet HP sensor DSDF original exit roller One-way clutch DSDF shading sheet MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved OPERATION DESCRIPTION 3 - 6...
Page 29: Original Size Detection
DSDF tray original length sensor-1 DSDF original width detection sensor-1 DSDF tray original length sensor-2 DSDF original width detection sensor-2 DSDF tray original width sensor © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 OPERATION DESCRIPTION 3 - 7...
Page 30: Dsdf Tray Original Width Sensor, Dsdf Tray Original Length Sensor-1 And -2
ST-R 8.5” x 8.5” A4-R LT-R FOLIO COMPUTER H (= high level): Open L (= low level): Short *1 Not related to the ON/OFF status MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved OPERATION DESCRIPTION 3 - 8...
Page 31: Dsdf Original Width Detection Sensor-1 And -2, Dsdf Registration Sensor
A4 size paper transportation period or longer B5-R Less than B5-R size paper transportation period Less than A4 size paper A5-R transportation period © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 OPERATION DESCRIPTION 3 - 9...
Page 32 Less than LT size paper 8.5”SQ transportation period LT size paper transportation period or longer Less than LT size paper 8.5”SQ transportation period MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved OPERATION DESCRIPTION 3 - 10...
Page 33 Less than LT size paper 8.5”SQ LT-R transportation period ST-R ST-R ST-R *1 Not related to the ON/OFF status *2 Not related to the transportation period © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 OPERATION DESCRIPTION 3 - 11...
Page 34: Multiple Feeding Detection (Mr-4020 Only)
SD18 SD17 SD18 SD17 Fig. 3-8 Symbol Name SD17 Multiple feeding detection sensor (transmission side) SD18 Multiple feeding detection sensor (reception side) MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved OPERATION DESCRIPTION 3 - 12...
Page 35: Disassembly And Reassembly
Open the original jam access cover [1]. [ 1 ] Fig. 4-1 Turn the lever [2] and take off the DSDF pickup unit [3]. Fig. 4-2 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 1...
Page 37: Dsdf Separation Roller
 P. 4-1 “4.1.1 DSDF pickup unit” Open the DSDF separation roller cover [4]. Fig. 4-5 Fig. 4-6 Turn the arm [5] to release the lock. Fig. 4-7 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 3...
Page 38 Turn the lever [6] of the front side to align the protrusion to the groove. Fig. 4-8 Fig. 4-9 Turn the lever [7] of the rear side to align the protrusion to the groove. Fig. 4-10 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 4...
Page 39 Remove the lever [7] of the rear side from the DSDF separation roller unit [8]. Release the latch and take off the DSDF separation roller [9]. Fig. 4-13 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY...
Page 40: Dsdf Pickup Roller
Remove the paper guide [1]. [ 1 ] Fig. 4-15 Take off the holder cover [2]. Release the stopper [3]. [ 2 ] [ 3 ] Fig. 4-16 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 6...
Page 41: Dsdf Original Feed Roller
 P. 4-6 “4.1.3 DSDF pickup roller” Pull out the shaft [1]. [ 1 ] Fig. 4-18 Take off the DSDF original feed roller [2]. [ 2 ] Fig. 4-19 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 7...
Page 43: Cover
[2] Screw for the plastic part: Original exit side While lifting up the original tray [3], take off the DSDF rear cover [4]. [ 3 ] [ 4 ] Fig. 4-23 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 9...
Page 44: Dsdf Front Cover
[2] Screw for the plastic part: Original exit side Remove 1 screw and take off the DSDF front cover [5]. [ 5 ] Fig. 4-25 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 10...
Page 45: Original Jam Access Cover
Remove 1 screw and take off the hinge pin [7] of the front side. Remove 1 screw and release the original jam access cover stopper [8]. [ 8 ] [ 7 ] Fig. 4-28 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 11...
Page 46: Dsdf Left Cover
[1] Screw for the metal part: Front side [2] Screw for the plastic part: Rear side Take off the DSDF left cover [9] upward. Fig. 4-30 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 12...
Page 47: Pc Board
When the DSDF control PC board is replaced, be sure to perform the DSDF read-in sensor-1 adjustment.  P. 5-16 “5.7 DSDF Read-in Sensor-1 Adjustment” © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 13...
Page 48: Dsdf Relay Pc Board (Dfrly)
Remove 2 screws and take off the harness guide [5]. [ 7 ] [ 6 ] [ 5 ] [ 7 ] Fig. 4-34 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 14...
Page 49: Dsdf Multiple Feeding Detection Relay Pc Board (Dlgrly)
Remove 3 screws [1] and take off the DSDF multiple feeding detection relay PC board (DLGRLY) [2]. [ 1 ] [ 1 ] [ 2 ] Fig. 4-37 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 15...
Page 50: Original Tray Section
Remove 1 screw, take off the original tray bracket [2] and the original tray holder [3]. [ 1 ] [ 3 ] [ 2 ] Fig. 4-39 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 16...
Page 51: Dsdf Tray Original Length Sensor-1 (Sd1), Dsdf Tray Original Length Sensor-2 (Sd2)
Remove 1 screw and take off the sensor cover [14]. Fig. 4-41 Disconnect 1 connector respectively from the DSDF tray original length sensor-1 [15] and the DSDF tray original length sensor-2 [16]. © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 17...
Page 52: Dsdf Tray Original Width Sensor (Sd3)
When installing the tray holder, be careful not to let the harness get caught in it. Remove 1 screw and take off the original width sensor cover [19]. Fig. 4-44 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 18...
Page 53 Pay attention not to remove the washer and the wave washer of the pinion. Fig. 4-45 Disconnect 1 connector and take off the DSDF tray original width sensor [20]. Fig. 4-46 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 19...
Page 54: Dsdf Original Empty Sensor (Sd4)
When installing the tray holder, be careful not to let the harness get caught in it. Disconnect 1 connector. Release the latch and take off the DSDF original empty sensor [21]. Fig. 4-48 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 20...
Page 55: Original Feeding Section
 P. 4-11 “4.2.3 Original jam access cover” Remove 4 screws. Fig. 4-49 While pulling the lever, take off the top cover [1]. Fig. 4-50 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 21...
Page 56 Disconnect 1 connector [6]. Release the latch and take off the DSDF tray lift upper limit sensor (SD9) [7]. [ 7 ] [ 6 ] Fig. 4-53 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 22...
Page 57: Dsdf Original Width Detection Sensor-1 (Sd7), Dsdf Original Width Detection Sensor-2 (Sd8)
While pulling the lever, take off the top cover [1]. Fig. 4-55 Remove 2 screws and take off the left top cover [4]. [ 4 ] Fig. 4-56 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 23...
Page 58: Dsdf Registration Sensor (Sd6)
 P. 4-11 “4.2.3 Original jam access cover” Remove 4 screws. Fig. 4-58 While pulling the lever, take off the top cover [1]. Fig. 4-59 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 24...
Page 59 [ 6 ] [ 5 ] [ 5 ] Fig. 4-61 Notes: Be careful not to drop any of the 6 springs. Fig. 4-62 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 25...
Page 60 Disconnect 1 connector [9] and take off the DSDF registration sensor (SD6) [8]. [ 8 ] [ 9 ] Fig. 4-63 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 26...
Page 61: Driving Section
[ 1 ] Fig. 4-64 Remove 2 screws and take off the DSDF cooling fan motor [3] from the bracket. [ 3 ] Fig. 4-65 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 27...
Page 62: Dsdf Upper Cover Interlock Switch (Swd2)
Take off the DSDF rear cover.  P. 4-9 “4.2.1 DSDF rear cover” Remove 2 screws and take off the sensor bracket [1]. Fig. 4-67 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 28...
Page 63 Release 3 latches [6]. Fig. 4-69 Disconnect 1 connector [7] and then take off the DSDF upper cover opening/closing detection sensor (SD16) [8]. Fig. 4-70 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 29...
Page 64: Dsdf Registration Motor (Md3)
Remove 2 screws and take off the harness guide [5]. [ 7 ] [ 6 ] [ 5 ] [ 7 ] Fig. 4-72 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 30...
Page 65 The harness color of the DSDF registration motor is gray, be sure to check the harness color at installing. Remove 2 screws and take off the DSDF registration motor [11] from the DSDF registration motor bracket [10]. Fig. 4-75 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 31...
Page 66: Dsdf Read Motor (Md4)
Remove 2 screws and take off the harness guide [5]. [ 7 ] [ 6 ] [ 5 ] [ 7 ] Fig. 4-77 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 32...
Page 67 When installing the DSDF read motor bracket, be sure to hook the pulley to the timing belt. • When installing, temporarily tighten 2 screws, hook the tension spring and then securely tighten them. © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 33...
Page 68: Dsdf Original Exit Motor (Md5)
• Do not apply pressure to or damage the edge of the flat cable. • Install the flat cable with its conductor side up. MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 34...
Page 69 Disconnect 1 connector [15] from the DSDF original exit motor. Remove the tension spring [16]. Remove 2 screws and take off the DSDF original exit motor bracket [17]. Fig. 4-84 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 35...
Page 70: Dsdf Lower Cover Interlock Switch (Swd1)
Disconnect 3 connectors. Remove 1 screw and take off the DSDF lower cover interlock switch [19]. Fig. 4-86 Notes: Color of 3 harnesses for the DSDF lower cover interlock switch: Orange (1) and white (2) MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 36...
Page 71: Dsdf Original Feed Motor (Md1)
Disconnect 1 connector [22]. Remove 2 screws. Turn the DSDF separation motor [23] clockwise and slide it to the upper right to take it off. Fig. 4-88 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY...
Page 72: Original Transport Section
Take off the DSDF cooling fan motor (FD1).  P. 4-27 “4.6.1 DSDF cooling fan motor (FD1)” Disconnect 5 connectors. Fig. 4-89 Disconnect 3 connectors. Fig. 4-90 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 38...
Page 73 Remove 1 screw. [ 14 ] Fig. 4-91 Remove 2 screws. Fig. 4-92 Take off the intermediate transport unit [1]. [ 1 ] Fig. 4-93 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 39...
Page 74: Dsdf Read-In Sensor-1 (Sd11), Dsdf Read-In Sensor-2 (Sd12)
When the DSDF read-in sensor-1 is replaced, be sure to perform the DSDF read-in sensor-1 adjustment.  P. 5-16 “5.7.1 DSDF read-in sensor-1 automatic adjustment” MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 40...
Page 75: Dsdf Original Exit Sensor (Sd13), Dsdf Tray Lift Lower Limit Sensor (Sd10)
[ 7 ] [ 6 ] Fig. 4-97 Disconnect 1 connector. Release the latch and take off the DSDF original exit sensor [8]. Fig. 4-98 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 41...
Page 76: Lower Transport Unit
 P. 4-12 “4.2.4 DSDF left cover” Remove 8 screws and take off the lower transport unit [10]. [ 10 ] Fig. 4-100 Fig. 4-101 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 42...
Page 77: Dsdf Shading Sheet Hp Sensor (Sd14)
DSDF shading sheet HP sensor (SD14) Take off the lower transport unit.  P. 4-42 “4.7.4 Lower transport unit” Turn the roller [1]. [ 1 ] Fig. 4-104 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 43...
Page 78: Dsdf Lower Cover Opening/Closing Detection Sensor (Sd15)
Disconnect the connector [3] and take off the DSDF lower cover opening/closing detection sensor (SD15) [4]. [ 4 ] [ 3 ] Fig. 4-107 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 44...
Page 79: Multiple Feeding Detection Sensor (Reception Side) (Sd18)
Remove 2 screws [4] and take off multiple feeding detection sensor (reception side) (SD18) [5]. [ 4 ] [ 5 ] [ 4 ] Fig. 4-109 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 45...
Page 80: Multiple Feeding Detection Sensor (Transmission Side) (Sd17)
Fig. 4-110 Remove 1 screw [4] and take off multiple feeding detection sensor (transmission side) (SD17) [5]. [ 4 ] [ 5 ] Fig. 4-111 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 46...
Page 81: Original Scanning Section
 P. 4-38 “4.7.1 Intermediate transport unit” Disconnect 1 connector and 1 flat harness. Fig. 4-112 Take off the DSDF-CCD module [1]. Fig. 4-113 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 47...
Page 82 Do not leave fingerprints or stains on the slit glass of the DSDF-CCD module [2]. • Pay close attention not to make an impact or vibration on the DSDF-CCD module because it is a precise apparatus. Fig. 4-115 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 48...
Page 83: Film Attachment Reference
Attach them as shown in the figure below. 0~0.5mm 0~0.5mm [ 1 ] [ 2 ] Fig. 4-117 [1] Registration film (R) [2] Registration film (F) © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 DISASSEMBLY AND REASSEMBLY 4 - 49...
Page 84: Films With A Spacer
Attach them as shown in the figure below. [ 2 ] [ 1 ] [ 2 ] [ 1 ] 0~0.5mm Fig. 4-119 [1] Film [2] Film with a spacer MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved DISASSEMBLY AND REASSEMBLY 4 - 50...
Page 85: Adjustment
Check if the image adjustment for the MFP is performed properly before this adjustment of the DSDF. (See the Service Manual of the applicable MFP.) 5.1.1 Checking Open the DSDF and install 2 positioning pins. Fig.5-1 Remove the platen sheet. Fig.5-2 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 ADJUSTMENT 5 - 1...
Page 86 5.1.2 Adjustment If the pins cannot be fitted into the holes, perform the adjustment according to the following procedure. Remove the brackets on the hinges. Fig.5-5 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved ADJUSTMENT 5 - 2...
Page 87 Position the pins with the holes on the DSDF by moving it so that the pins fit into the holes when the DSDF is closed. Fig.5-7 Tighten the fixing screws of the rear side. Fig.5-8 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 ADJUSTMENT 5 - 3...
Page 88 Place the platen sheet on the original glass and align it to the top left corner. Close the DSDF gently and open it to check if the platen sheet is attached properly. Fig.5-11 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved ADJUSTMENT 5 - 4...
Page 89: Height Adjustment
MFP. If the value is not within the tolerance, perform the adjustment according to the following procedure. [Tolerance of the gap] Rear side: 0 to 0.5 mm Front side: 0 mm Fig.5-12 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 ADJUSTMENT 5 - 5...
Page 90: Adjustment
Adjust the gap on the front side by means of the screw on the hinge on the original exit side of the DSDF. Turn it clockwise: Lowered Turn it counterclockwise: Heightened Fig.5-14 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved ADJUSTMENT 5 - 6...
Page 91: Skew Adjustment
Place the chart provided as an original with its face down on the original tray of the DSDF, select [Sort mode] and [2 Sided > 2 Sided] and then press the [START] button. Superimpose the chart on the copy and check the inclination of the copy image. © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 ADJUSTMENT...
Page 92: Adjustment
Shift the aligning plate in the direction of “-”. Shift the aligning plate in the direction of “+”. Check the skew of the copy image by using a chart. MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved ADJUSTMENT 5 - 8...
Page 93 Take off the DSDF front cover.  P. 4-10 “4.2.2 DSDF front cover” Clarify the attachment position of the plate by drawing a marking-off line. Fig.5-21 Loosen the screw. Fig.5-22 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 ADJUSTMENT 5 - 9...
Page 94 Shift the aligning plate in the direction of “+”. Fig.5-25 Tighten the screw loosened in step (3). Check the skew of the copy image by using a chart. Install the DSDF front cover. MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved ADJUSTMENT 5 - 10...
Page 95: Leading Edge Position Adjustment
[Sort mode] and [2 Sided > 2 Sided] and then press the [START] button. Superimpose the chart on the copy and check the leading edge E of the chart and F of the copy. Fig.5-28Chart (original) Fig.5-29Copy © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 ADJUSTMENT 5 - 11...
Page 96: Adjustment
If the leading edge (F) margin of the copy image is smaller than the (E) margin of the chart, enter a value larger than the current one. Notes: Changing one value shifts the copy image by 0.1 mm. Press [OK]. MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved ADJUSTMENT 5 - 12...
Page 97: Horizontal Position Adjustment
If the center line of the copy image is shifted to the rear side of the MFP Enter a value smaller than the current one. Notes: Changing one value shifts the copy image by 0.0423 mm. Fig.5-31 Press [OK]. © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 ADJUSTMENT 5 - 13...
Page 98: Back Side
If the center line of the copy image is shifted to the left side to the feeding direction: (K) Enter a value smaller than the current one. Notes: Changing one value shifts the copy image by 0.0423mm. Press [OK]. MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved ADJUSTMENT 5 - 14...
Page 99: Copy Ratio Adjustment
• If the copy image dimension “I” is smaller than the chart dimension, enter a value larger than the current one. Fig.5-34 Press [OK]. © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 ADJUSTMENT 5 - 15...
Page 100: Dsdf Read-In Sensor-1 Adjustment
Do not open the original jam access cover and the DSDF until step (7) is finished. If you do so, the adjustment value will be reset. In this case, repeat the adjustment from step (3). Loosen 1 prism adjustment screw. Fig.5-35 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved ADJUSTMENT 5 - 16...
Page 101 Perform FS-05-3210 (automatic adjustment). Notes: After the manual adjustment is performed, be sure to do the automatic one. Turn the power OFF and install the cover. © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 ADJUSTMENT 5 - 17...
Page 102: Platen Sheet
Place the platen sheet on the original glass and align it to the top left corner. Close the DSDF gently and open it to check if the platen sheet is attached properly. Fig.5-39 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved ADJUSTMENT 5 - 18...
Page 103: Dsdf Separation Roller Pressure Force Adjustment
 P. 4-1 “4.1.1 DSDF pickup unit” Open the DSDF separation roller cover [1]. [ 1 ] Fig.5-40 Turn the arm [2] to release the lock. [ 2 ] Fig.5-41 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 ADJUSTMENT 5 - 19...
Page 104 (but multiple feeding may occur frequently). • Move to the direction R: Multiple feeding will be suppressed (but the roller life may become shorter). [ 4 ] Fig.5-43 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved ADJUSTMENT 5 - 20...
Page 105: Troubleshooting
When an original beyond the specifications is copied or scanned, place it on the original glass. DSDF separation roller If the DSDF separation roller is dirty, clean it with alcohol. Replace the DSDF separation roller. © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 TROUBLESHOOTING 6 - 1...
Page 106 After they are cleaned, apply white grease (Molykote EM-30L) to the gear holes (indicated in the figure). Notes: Pay attention not to apply grease to the tooth surface of the gears. Fig.6-3 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved TROUBLESHOOTING 6 - 2...
Page 107 1 mm or more. Loosen the screw [1] and move the elevator shaft [2]. Tighten the screw [1]. [ 2 ] [ 1 ] Fig.6-5 © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 TROUBLESHOOTING 6 - 3...
Page 108 Set the side guides of the original tray by aligning them with the original width. Original scanning section Adjust the original scanning section of the MFP. MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved TROUBLESHOOTING 6 - 4...
Page 109 Platen sensor-2 [F2]ON/[5]/[G]) Check the connector. If it is not connected properly, reconnect it. - Replace the platen sensor-2. (See the Service Manual of the applicable MFP.) © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 TROUBLESHOOTING 6 - 5...
Page 110 DSDF lower cover opening/closing detection sensor DSDF lower cover interlock switch DSDF upper cover opening/closing detection sensor DSDF upper cover interlock switch Platen sensor-1 Platen sensor-2 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved TROUBLESHOOTING 6 - 6...
Page 111 The image distortion (dogleg image) shown upper will occur on the leading or trailing edge at the back side of the copied or scanned paper while the DSDF is used. © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020...
Page 112 Slit glass of the DSDF-CCD Wipe the slit glass of the DSDF-CCD module with a dry cloth or clean it with a module well-squeezed cloth. Fig.6-9 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved TROUBLESHOOTING 6 - 8...
Page 113 Fig.6-10 3. If stains cannot be removed completely, replace the DSDF shading sheet. DSDF-CCD module Check if there is no abnormality in the DSDF-CCD module. © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 TROUBLESHOOTING 6 - 9...
Page 115: Maintenance
*1 Perform cleaning/lubrication for the DSDF at the same interval as for the main MFP to which the DSDF is connected. Remarks: The column “Parts List (P-I)” shows the page and item number in the parts list. © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 MAINTENANCE 7 - 1...
Page 116: Maintenance Part List
Take off the front cover of the scanner section in the MFP. Attach the stopper jig. Fig. 7-2 Remarks: 1. Insert the upper side of the stopper jig into the hole of the DSDF. Fig. 7-3 MR-4010/4020 © 2021, 2022 Toshiba Tec Corporation All rights reserved MAINTENANCE 7 - 2...
Page 117: Firmware Updating
2. Hold the stopper jig and insert its lower side into the hole on the frame of the MFP. Fig. 7-4 Firmware Updating For updating firmware, refer to “FIRMWARE UPDATING” in the Service Manual for the MFP. © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 MAINTENANCE 7 - 3...
Page 121: Revision Record
REVISION RECORD Ver00a Ver00a <2023.07.05> Page Contents 6-4, 6-5 Added content to items 2., 3., and 6. Ver00 Ver00 <2021.12.27> Page Contents Initial release © 2021, 2022 Toshiba Tec Corporation All rights reserved MR-4010/4020 REVISION RECORD...
Page 122 1-11-1, OSAKI, SHINAGAWA-KU, TOKYO, 141-8562, JAPAN...

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