Sharp R-430DK Service Manual Download Page 46

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R - 4 3 0 D K
R- 430DW
R - 4 3 0 D Q
R - 4 4 0 D K
R-440DW

Figure S-5(b) . Printed Wiring Board of Power Unit R-440DK/DW

CN - C

SH-A

(GREEN)

D20

RY3

QKITPB031MREO

(J1)

VRS1

CN - A

ZD1

CN - B

SH-B

SP30

D22

RY1

RY2

D21

D U

O M

DIP

WH - 1

SH - B

SH - A

(J1)

(D10)

RY3

(CN - D)

ZD1

VRB

SP1

RY2

VRS1

OMIF

RY1

TTM

B
Q3

(CN - C)

CN - C

CN - B

CN - A

Figure S-5(a) . Printed Wiring Board of Power Unit R-430DK/DW/DQ

Summary of Contents for R-430DK

Page 1: ...LE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY INSIDE FRONT COVER BEFORE SERVICING INSIDE FRONT COVER WARNING TO SERVICE PERSONNEL 1 MICROWAVE MEASUREMENT PROCEDURE 2 FOREWORD AND WARNING 3 PRODUCT SPECIFICATIONS 4 GENERAL INFORMATION 4 OPERATION 6 TROUBLESHOOTING GUIDE 10 TEST PROCEDURE 12 TOUCH CONTROL PANEL 21 COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE 32 PICTORIAL DIAGRAM 38 POWER UNIT CIRCUIT ...

Page 2: ...owave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave leakage check to verify compliance with the Federal Performance Standard should be performed on each oven prior to release to the owner BEFORE SERVICING Before servicing an operative unit perform a microwave emission check as...

Page 3: ...arge high voltage capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that the leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure reconnect the power supply cord When the testing is completed 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage...

Page 4: ...C 68o F in the center of the oven cavity The water container shall be a low form of 600 ml 20 oz beaker with an inside diameter of approx 8 5 cm 3 1 2 in and made of an electrically nonconductive material such as glass or plastic The placing of this standard load in the oven is important not only to protect the oven but also to insure that any leakage is measured accurately 4 Set the cooking contr...

Page 5: ...are ensured A The door is tightly closed B The door brackets and hinges are not defective C The door packing is not damaged D The door is not deformed or warped E There is no other visible damage with the oven Servicing and repair work must be carried out only by trained service personnel DANGER Certaininitialpartsareintentionallynotgroundedandpresentariskof electrical shock only during servicing ...

Page 6: ...CREEN MINUTE PLUS pad STOP CLEAR pad R 440DW START pad ONE TOUCH SENSOR pads 6 X 6 NO GUESS COOKING pads More From Your Microwave pad Beverage Center pad Defrost pad Set Up pad Cavity Light Yes Safety Standard UL Listed FCC Authorized DHHS Rules CFR Title 21 Chapter 1 Subchapter J SPECIFICATION GENERAL INFORMATION GROUNDING INSTRUCTIONS This oven is equipped with a three prong grounding plug It mu...

Page 7: ... OVEN DIAGRAM 1 One touch door open button Push to open door 2 Door latches The oven will not operate unless the door is securely closed 3 Removable turntable support 4 Removable turntable The turntable will rotate clockwise or counterclockwise 5 Oven lamp It will light when oven is operating or door is opened 6 Oven door with see through window 7 Ventilation openings Rear 8 Auto Touch control pan...

Page 8: ... The circuits to the turntable motor the cooling fan motor and the high voltage components are de energized the oven lamp remains on and the digital read out displays the time still remaining in the cook cycle when the door was opened 7 The monitor switch electrically monitors the operation of the secondary interlock switch and primary interlock relayandismechanicallyassociatedwiththedoorsothat it...

Page 9: ... 1 Touch one of the SENSOR pads NOTE The oven should not be operated on sensor immediately after plugging in the unit Wait two minutes before cooking on SENSOR 2 The coil of shut off relay RY 1 is energized the turntablemotorareturnedon butthepowertransformer is not turned on 3 After about 16 seconds the cook relay RY 2 is energized The power transformer is turned on microwaveenergyisproducedandfi...

Page 10: ...2 CONTROL UNIT PRIMARY INTERLOCK RELAY B1 B2 GRN POWER TRANSFORMER MONITOR FUSE 20A MAGNETRON TEMP FUSE CAPACITOR 1 0µF AC 2300V AH SENSOR SCHEMATIC 3 VARIABLE COOKING CONTROL HIGH 2 COOKING TIME PROGRAMMED 1 DOOR CLOSED NOTE CONDITION OF OVEN 4 START PAD TOUCHED 120V AC 60 Hz OVEN LAMP TURN TABLE MOTOR FAN MOTOR MONITOR SWITCH H V RECTIFIER MAGNETRON SECONDARY INTERLOCK SWITCH TTM OL FM MONITOR F...

Page 11: ...ORE REPLACING A BLOWN MONITOR FUSE TEST THE DOOR SENSING SWITCH PRIMARY INTERLOCK RELAY RY2 RELAY RY1 SECONDARY INTERLOCK SWITCH AND MONITOR SWITCH FOR PROPER OP ERATION REFERTOCHAPTER TESTPRO CEDURE NOTE MONITOR FUSE AND MONITOR SWITCH ARE REPLACED AS AN ASSEMBLY TURNTABLE MOTOR The turntable motor rotates the turntable located on the bottom of the oven cavity so that the foods on the turntable c...

Page 12: ... Use part FFS BA016 KIT as an assembly IMPORTANT Whenever troubleshooting is performed with the power supply cord disconnected It may in some cases be necessary to connect the power supply cord after the outer case has been removed in this event 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Disconnect the leads ...

Page 13: ...nd of cook cycle Oven goes into a cook cycle but extremely uneven heating is produced in oven load food Oven does not cook properly when programmed for Cooking Power 5 mode Operates properly on Cooking Power 10 HIGH mode Oven goes into COMPU DEFROST but food is not defrosted well AH sensor does not end during sensor cooking condition Oven does not shut off after a cup of water is boiling by sensor...

Page 14: ... CYCLE SO EXTREME CAUTION SHOULD BE OBSERVED Power output of the magnetron can be measured by performing a water temperature rise test This test shouldonlybeusedifabovetestsdonotindicateafaultymagnetronandthereisnodefectinthefollowing componentsorwiring siliconrectifier highvoltagecapacitorandpowertransformer Thistestwillrequire a 16 ounce 453cc measuring cup and an accurate mercury thermometer or...

Page 15: ...ially the cooling fan and air guide 5 Reconnect all leads removed from components during testing 6 Reinstall the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions MAGNETRON TEMPERATURE FUSE TEST 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacito...

Page 16: ...secondary interlock switch 5 Reconnect all leads removed from components during testing 6 Reinstall the outer case cabinet 7 Reconnect the power supply cord after the outer case is installed 8 Run the oven and check all functions PRIMARY INTERLOCK SYSTEM TEST DOOR SENSING SWITCH 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage...

Page 17: ...entional microwave ovens proper maintenance cannot be performed with only a voltmeter and ohmmeter In this service manual the touch control panel assembly is divided into two units Control Unit and Key Unit and also the Control Unit is divided into two units LSI Unit and Power Unit and troubleshooting by unit replacement is described according to the symptoms indicated Before testing 1 Disconnect ...

Page 18: ... touch screen sometimes a key produces no signal 2 3 Other possible problems caused by defective control unit a Buzzer does not sound or continues to sound b Clock does not operate properly c Cooking is not possible When testing is completed 1 Disconnect the power supply cord and then remove outer case 2 Open the door and block it open 3 Discharge high voltage capacitor 4 Reconnect all leads remov...

Page 19: ...scharge high voltage capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that these leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure re connect the power supply cord 7 Remove the outer case and check voltage between Pin No 1 of the 2 pin connector A and the common terminal of the relay RY1 on the control unit...

Page 20: ...lock it open 3 Discharge high voltage capacitor 4 Disconnect the leads to the primary of the power transformer 5 Ensure that these leads remain isolated from other components and oven chassis by using insulation tape 6 After that procedure re connect the power supply cord 7 Follow the troubleshooting guide given below for repair STEPS OCCURRENCE CAUSE OR CORRECTION The rated AC voltage is not pres...

Page 21: ...4 Close the door 5 For R 430DK DW DQ Touch SENSOR REHEAT pad once and touch the start pad Now the oven is in the sensor cooking condition SENSOR REHEAT will appear in the display For R 440DK DW Touch Reheat pad Now the oven is in the sensor cooking condition and REHEAT will appear in the display for approx 7 sec and then SENSING will appear 6 The oven will operate for the first 16 seconds without ...

Page 22: ...s push plunger of select switch for more than 3 seconds For R 440DK DW after approximately 50 seconds push plunger of select switch for more than 3 seconds This condition is same as judgement by AH sensor 9 4 After approximately 3 seconds the display shows xx xx which is remaining cooking time and the display count down If the above is not the case the control unit is probably defective If the abo...

Page 23: ...order to compose a basic standard time in the clock circuit Symbol Voltage Application VC 5V LSI IC1 4 Relay Circuit A circuit to drive the magnetron fan motor turntable motor and light the oven lamp 5 Buzzer Circuit The buzzer is responsive to signals from the LSI to emit audiblesounds keytouchsoundandcompletionsound 6 Synchronizing Signal Circuit The power source synchronizing signal is availabl...

Page 24: ...scription 20 P111 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to ANI7 P100 P101 P102 and P103 terminal while one of G7 line keys on key matrix is touched 21 P112 OUT Key strobe signal Signal applied to touch key section A pulse signal is input to ANI7 P100 P101 P102 and P103 terminal while one of G6 line keys on key matrix is touched 22 P113 OUT Key strobe sig...

Page 25: ...age GND 0V The power source voltage to drive LSI is input to VDD0 terminal 37 AVREF IN A D converter power source voltage GND 0V The power source voltage to drive the A D converter Connected to GND 38 P100 IN Signal similar to ANI7 When either G12 line on key matrix is touched a corresponding signal will be input into P100 39 P101 IN Signal similar to ANI7 When either G11 line on key matrix is tou...

Page 26: ...d 56 VLC0 IN Terminal not used 57 58 VLC1 VLC2 IN Terminal not used 59 VSS0 IN Power source voltage 5 0V The power source voltage to the LSI is input to VSS0 terminal Connected to VC 60 83 S0 S23 OUT Terminal not used 84 97 P97 P82 OUT Data output terminal to LCD driver IC3 98 99 P81 P80 OUT Terminal not used 100 P25 OUT Terminal not used ...

Page 27: ...initial voltage available at its AN1 terminal With this voltage given the switches SW1 to SW5 in the LSI are turned on in such a way as to change the resistance values in parallel with R107 R111 of IC2 Changing the resistance value results in that there is the same potential at both F 3 terminal of the absolute humiditysensorandAN0terminaloftheLSI Thevoltage of AN1terminalwillindicatabout16seconds...

Page 28: ...h screen is composed of a matrix signal generated in the LSI are sent to the key unit through P41 P42 P43 and P44 When a key is touched a signal is completed through the touch screen and passed back to the LSI through PB1 PB2 PB3 PB4 and PB5 to perform the function that was requested TOUCH CONTROL PANEL ASSEMBLY OUTLINE OF TOUCH CONTROL PANEL FOR R 440DK DW The touch control section consists of th...

Page 29: ... IC IC4 15 P91 OUT Clock signal is output to a memory IC IC4 16 RxD0 OUT Terminal not used 17 P93 OUT Key strobe signal Signal applied to key unit section A pulse signal is input to PB1 PB5 terminal while one of G1 line keys on key matrix is touched 18 P94 OUT Key strobe signal Signal applied to key unit section A pulse signal is input to PB1 PB5 terminal while one of G2 line keys on key matrix is...

Page 30: ...ignal is output to IC2 and IC5 59 Vss IN Power source voltage GND 0V The power source voltage to drive LSI is input to Vss terminal 60 WATT IN Connected to VCC 61 P61 OUT Envelope signal to sound buzzer A key touch sound short beep B Completion sound melody or long beep 62 P62 OUT Reset signal is output to IC5 63 P67 OUT Terminal not used 64 STBY IN Connected to VCC 65 RES IN Auto clear terminal S...

Page 31: ...Connected to VCC 84 AN4 IN To input signal which communicates the door open close information to LSI Door close H level signal 5V Door open L level signal GND 85 AN5 IN Used for initial balancing of the bridge circuit absolute humidity sensor This input is an analog input terminal from the AH sensor circuit and connected to the A D converter built into the LSI 86 AN6 IN AH sensor input This input ...

Page 32: ...e LSI are turned on in such a way as to change the resistance values in parallel with R47 R52 Changing the resistance values results in that there is the same potential at both F 3 terminal of the absolute humidity sensor and AN5 terminal of the LSI The voltage of AN6 terminal will indicate about 2 5V This initial balancing is set up about 16 seconds after the unit is put in the SensorCookingmode ...

Page 33: ...door being closed Connect an external power source to the power input terminal of the touch control panel then it is possible to check and repair the controls of the touch control panel it is also possible to check the sensor related controls of the touch control panel by using the dummy resistor s 3 Servicing Tools Toolsrequiredtoservicethetouchcontrolpanelassembly 1 Soldering iron 30W Itisrecomm...

Page 34: ...ING FOR WIRING 1 Disconnect the power supply cord 2 Make sure that a definite click can be heard when the microwave oven door is unlatched Hold the door in a closed position with one hand then push the door open button with the other this causes the latch leads to rise it is then possible to hear a click as the door switches operate 3 Visuallycheckthedoorandcavityfaceplatefordamage dents cracks si...

Page 35: ... the filament lead short one of the power transformer from the high voltage capacitor 7 Remove one 1 screw holding capacitor holder with the high voltage rectifier to the base plate 8 Disconnect rectifier terminal from capacitor High voltage rectifier assembly is now free 9 Remove capacitor holder Capacitor is now free CAUTION WHEN REPLACING HIGH VOLTAGE RECTI FIER AND HIGH VOLTAGE CAPACITOR GROUN...

Page 36: ...rame by rubbing with soft cloth not to scratch LSI UNIT NOTE Handle the LSI unit carefully so that there is no excessive force applied to the ribbon connection LSI unit 1 Disconnect the power supply cord 2 Removeturntableandturntablesupportfromovencavity 3 Lay the oven on it s backside Remove the turntable motor cover by snipping off the material in four corners 4 Where the corners have been snipp...

Page 37: ...led because the bracket may be disfigured Make sure that the fan blade rotates smooth after installation Make sure that the axis of the shaft is not slanted 5 Install the fan motor to the the oven cavity back plate with the two 2 screws 6 Connect the wire leads to the fan motor referring to the pictorial diagram Side View Rear View 1 Disconnect the power supply cord and remove outer case 2 Open th...

Page 38: ...lts play in the door should be less than 0 5mm 2 The door sensing switch and secondary interlock switch interrupt the circuit before the door can be opened 3 Monitor switch contacts close when door is opened 4 Re install outer case and check for microwave leakage around door with an approved microwave survey meter Refer to Microwave Measurement Procedure DOOR REPLACEMENT REMOVAL 1 Disconnect the p...

Page 39: ...h its face pressed toward cavity face plate 4 Check for microwave leakage around door with an approvedmicrowavesurveymeter RefertoMicrowave Measurement Procedure Note The door on a microwave oven is designed to act as an electronic seal preventing the leakage of microwave energy from oven cavity during cook cycle Thisfunctiondoesnotrequirethatdoorbeair tight moisture condensation tight or light ti...

Page 40: ... blue mark on the oven light socket POWER TRANSFORMER COM NO NOTE The neutral WHT GRY wire must be connected to the terminal with N mark on the power supply cord RED WHT BRN RED WHT WHT ORG WHT RED BLK RED BLU PNK GRN GRN to Oven cavity WHT WHT RED BLK WHT WHT BLUE MARK WHT RED WHT CAVITY TEMP FUSE MAGNETRON TEMP FUSE FAN MOTOR MONITOR FUSE HOLDER RED RED WHT 1 WHT GRY WHT ORG BLU GRN ORG ORG RY2 ...

Page 41: ...be connected to the terminal with N mark on the power supply cord RED WHT RED WHT WHT ORG WHT PNK GRN GRN to Oven cavity WHT WHT RED BLK WHT WHT BLUE MARK WHT RED WHT CAVITY TEMP FUSE MAGNETRON TEMP FUSE FAN MOTOR MONITOR FUSE HOLDER RED RED WHT 1 WHT GRY WHT GRN ORG ORG CN A H N NOTE The grounding conductor of the power supply cord has been grounded by power supply cord fixing screw The screw mus...

Page 42: ...CRO NC NC DOOR SENSING SWITCH OVEN LAMP TURNTABLE MOTOR FAN MOTOR AC AC MICRO DOOR SENSING SWITCH OVEN LAMP TURNTABLE MOTOR FAN MOTOR C10 C 2 C 3 C 1 C 4 C 9 C 5 C 6 C 7 C 8 C11 C12 A 2 NO NO COM COM B 2 B 2 A 1 NO NO COM COM B 1 A 2 C 3 C 5 C 6 T1 AC INT VR VA GND BZ EN BUZZR MICRO N C N C AC MICRO OVEN LAMP FAN MOTOR TURNTABLE MOTOR OVEN LAMP FAN MOTOR TURNTABLE MOTOR DOOR SENSING SWITCH NOTE IF...

Page 43: ...P82 P81 P80 P25 P36 P35 P34 P33 P32 P31 P30 P103 P102 VSS1 P101 P100 VDD0 ANI7 ANI6 ANI5 ANI4 ANI3 AVREF R102 37 4kF R40 4 7k R67 15k R66 15k R65 15k R64 15k R63 15k R62 15k R61 15k R60 15k R79 270k P103 P102 P101 P100 ANI7 ANI6 R78 270k R77 270k R76 270k R75 270k R74 270k R101 75kF R100 150kF R99 300k R98 620k R10 1k R11 15k R68 15k R69 15k R70 15k R71 15k R72 15k R73 15k R41 15k R92 1 8kF R90 33...

Page 44: ...1 C5 VR VA GND INT AH SENSOR BUZZER ENV BUZZER OVEN LAMP TURNTABLE MOTOR FAN MOTOR MICROR NC NC DOOR SENSING SWITCH CN C G 5 G 1 Set UP Pasta Grains Defrost 3 6 Frozen Food MINUTE PLUS START TOUCH SCREEN CPU UNIT KEY UNIT Popcorn Meat STOP CLEAR More from Your microwave Fish Seafood Reheat Beverage Center Vegetables Baked Potatoes Poultry G 2 G 3 G14 G 7 G 8 G 9 G10 G14 G6 G13 G12 G11 G15 C11 0 1µ...

Page 45: ...EG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 COM1 COM2 COM3 COM4 COM5 COM6 COM7 COM8 VDD NC NC RESET TEST VREF R03 R02 R01 R00 P13 P12 P11 P10 P03 P02 P01 P00 K03 K02 K01 K00 NC NC NC SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 SEG9 1 100 76 75 51 25 IC3 IZA951DR 26 50 R134 15k R132 33k R133 510k R12...

Page 46: ... CN A R1 ZD1 C2 C1 VH CN B SH B SP30 D22 RY1 RY2 D21 T1 P S 7 1 3 5 D U D U D U O M O M O M DIP D1 11 1 1 1 2 2 1 2 WH 1 SH B SH A 1 C3 C4 C5 R3 C2 F C1 10 D4 D2 D1 D3 J1 D9 D10 RY3 CN D D8 ZD1 VRB D U R2 R1 R6 R5 SP1 3 E B D6 D5 Q2 R4 2 6 11 P S RY2 T1 AC VRS1 5 D7 OMIF D U 9 8 7 E Q1 B 4 E RY1 AC OL TTM FM B Q3 CN C CN C CN B CN A 1 1 9 12 1 1 1 2 XA VH 2 2 Figure S 5 a Printed Wiring Board of P...

Page 47: ... C R 430DK DW DQ 1 AG 3 1C FW VZB260DREZ J 11P wire harness CN C R 440DK DW 1 AG C1 RC KZA087DRE0 J Capacitor 0 1 uF 50V 1 AA C2 VCEAB31VW108M J Capacitor 1000 uF 35V 1 AF C3 RC KZA087DRE0 J Capacitor 0 1 uF 50V 1 AA C4 5 VCEAB31VW106M J Capacitor 10 uF 35V 2 AA D1 RSRCDA013DRE0 J Diode Bridge S1NB10 R 440DK DW 1 AB D1 4 VHD11ES1 1 J Diode 11ES1 4 AB D5 8 VHD1SS270A 1 J Diode 1SS270ATA 4 AA Q1 VS2...

Page 48: ...rame assembly R 440DW 1 AQ 5 1 1 LSTPPB021MRF0 M Latch head 1 AE 5 1 2 MSPRTA046WRE0 M Latch spring 1 AB 5 2 FDORFB062MRT0 M Door panel 1 AW 5 3 PSHEPB021MRE0 M Sealer film 1 AE 5 4 GCOVHB038MRF0 M Choke cover 1 AG 5 5 HPNL B092MRE0 M Door screen R 430DK R 440DK 1 AK 5 5 HPNL B093MRE0 M Door screen R 430DW R 440DW 1 AM 5 5 HPNL B094MRE0 M Door screen R 430DQ 1 AM MISCELLANEOUS 6 1 FW VZB125MRE0 M ...

Page 49: ... order filled promptly and correctly please furnish the following information 1 MODEL NUMBER 2 REF NO 3 PART NO 4 DESCRIPTION Order Parts from the authorized SHARP parts Distributor for your area Defective parts requiring return should be returned as indicated in the Service Policy Notes ...

Page 50: ... C D E F G H OVEN AND CABINET PARTS 2 3 4 7 6 7 1 5 4 6 4 8 4 11 7 2 7 10 1 15 4 9 6 10 6 5 6 4 2 1 7 10 1 12 4 10 7 2 7 2 7 5 4 3 1 13 7 3 7 6 1 10 7 6 1 9 7 8 7 8 4 2 7 5 1 11 1 3 1 4 7 4 1 8 1 8 4 4 7 1 4 1 1 1 1 2 2 2 2 2 2 2 2 2 7 5 7 5 4 12 7 5 6 6 1 7 1 6 4 5 1 14 7 9 7 7 7 9 7 7 ...

Page 51: ...F G H A B C D E F G H CONTROL PANEL PARTS Actual wire harness may be different from illustration 6 3 6 2 6 1 DOOR PARTS MISCELLANEOUS 5 1 5 1 2 5 1 1 5 3 5 4 5 5 5 2 3 2 3 2 1 3 2 2 3 2 3 3 1 2 3 1 1 3 1 3 5 3 5 3 5 3 5 3 3 3 4 3 1 3 2 3 2 1 3 2 3 3 2 2 R 430DK DW DQ R 440DK DW ...

Page 52: ...KING AND ACCESSORIES Non replaceable items DOOR PROTECTION SHEET PLASTIC BAG PACKING CASE TOP PAD ASSEMBLY INTO THE OVEN CAVITY 6 5 TURNTABLE TRAY 6 4 TURNTABLE SUPPORT 6 8 OPERATION MANUAL TRAY PACK BOTTOM PAD ASSEMBLY TRAY HOLDER 6 9 RECIPE CARD ...

Page 53: ...51 R 430DK R 430DW R 430DQ R 440DK R 440DW Notes ...

Page 54: ...A COPYRIGHT 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be repro duced stored in retrieval systems or trans mitted in any form or by any means elec tronic mechanical photocopying recording orotherwise withoutpriorwrittenpermission of the publisher ...

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