Sharp UX-B20 Service Manual

SERVICE MANUALMODEL SELECTION CODE DESTINATIONUX-B20 U U.S.A.UX-B20/B25 C CanadaUX-B20U/UX-B20C/B25CNo. 00ZUXB20U/SMEFACSIMILEUX-B20UX-B25MODELSHARP

UX-B20U/UX-B20C/B25C1 – 815)Press the number keys to enter the number of the straightest line.Example: • If you make a mistake, press and then repea

UX-B20U/UX-B20C/B25C8 – 104. Select “Send file” from the pull-down menu of “File”.Enable the Binary in “Option” and open “Atl0. cmd”.↓Proceed to 5.

UX-B20U/UX-B20C/B25C8 – 115.If the description above does not appear, return to 4.If the description above appears, proceed to 6.

UX-B20U/UX-B20C/B25C8 – 126. Select “Send file” from the pull-down menu of “File”.Enable the Binary in “Option” and open “ta.ver”.(Select a file you w

UX-B20U/UX-B20C/B25C8 – 137.If the description above appears, return to 4.If the description above appears, downloading was completed normally.↓Procee

UX-B20U/UX-B20C/B25C8 – 148.1. To go on to download FLASH ROM, perform the following procedures.1-1. Only perform procedures (1) and (2) described in

PARTS GUIDEMODELSHARP CORPORATIONCONTENTSParts marked with " " are important for maintaining the safety of the set. Be sure to replace these

UX-B20U/UX-B20C/B25C 2[1] Cabinet,etc.B5B4B4B3B4OPERATIONPANEL UNIT/DOCUMENTGUIDE UPPERFGEARTHCABLEDGEARTHCABLE123456789101112131415161617181920212223

UX-B20U/UX-B20C/B25C3NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION[1] Cabinet,etc.1 DCEKL253DXH01 BC N E LIU PWB unit2 DCEKI256DXH01 BG N E Ink

UX-B20U/UX-B20C/B25C4NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION86 NGERH2633XHZZ AF N C ASF gear,22/23Z87 PSHEZ3829XHZZ AF N C Insulation she

UX-B20U/UX-B20C/B25C5[2] Operation panel unit/Document guide upperNO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION[2] Operation panel unit/Documen

UX-B20U/UX-B20C/B25C1 – 912. Clearing a jammed documentIf the original document doesn’t feed properly during transmission orcopying, or DOCUMENT JAMME

UX-B20U/UX-B20C/B25C6[3] Packing material & AccessoriesNO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION[3] Packing material & Accessories1

UX-B20U/UX-B20C/B25C7NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION[4] Control PWB unit1 UBATL2049SCZZ AF B Battery(CR2032T23) [BAT1]2 VCEAGA1HW

UX-B20U/UX-B20C/B25C8NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION86 VCKYCY1HF104Z AA C Capacitor(50WV 0.1µ F) [C163]87 VCKYCY1HF104Z AA C Capa

UX-B20U/UX-B20C/B25C9NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION171 VCCCCY1HH101J AA C Capacitor(50WV 100PF) [C288]172 VRS-CY1JB000J AA C Res

UX-B20U/UX-B20C/B25C10NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION255 VRS-HT3DA110J AE N C Resistor(2W 11Ω ± 5%) [R1]256 VRS-CY1JB101J AA C Re

UX-B20U/UX-B20C/B25C11NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION340 VRS-CY1JB330J AA C Resistor(1/16W 33Ω ± 5%) [R200]341 VRS-CY1JB330J AA C

UX-B20U/UX-B20C/B25C12NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION23 VCKYCY1HB102K AA C Capacitor(50WV 1000PF) [C115]24 VCKYCY1AF105Z AC C Cap

UX-B20U/UX-B20C/B25C13NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION16 0KYK2148LS002 AG N C Connector(8pin) [CNPW]17 0KYD2051AQ002 AD B Diode(1S

UX-B20U/UX-B20C/B25C14NO. PARTS CODEPRICE RANKNEW MARKPART RANKDESCRIPTION21 VRS-CZ1JB512J AD C Resistor(1/16W 5.1KΩ ± 5%) [R108]22 VRS-CZ1JB121J AA C

UX-B20U/UX-B20C/B25C15INDEXINDEXPARTS CODE No.PRICE RANKNEW MARKPART RANK[ C ]CCNWN202CXH01 1-14 AN N CCMOTZ2192XH01 1-80 AX N BCPAKC202GXH01 3-1 BA

UX-B20U/UX-B20C/B25C1 – 10[5] Quick setup guidePlug the power cord into a120-V grounded outlet.Connect the phone line cord to theTEL. LINE jack and a

UX-B20U/UX-B20C/B25C16PSHEZ3842XHZZ 1-30 AF N CPSPO-2022XHZZ 1-48 AG N CPSPO-2023XHZZ 1-9 AE N CPTPEH2086XHZZ 8-25 AC C"8-26ACCPTPEH2096XHZZ 8-27

UX-B20U/UX-B20C/B25C17"4-57ACC"4-59ACC"4-60ACC"4-61ACC"4-62ACC"4-63ACC"4-65ACC"4-92ACC" 4-109 AC C"

UX-B20U/UX-B20C/B25C18" 8-5 AA C" 8-6 AA C" 8-7 AA C" 8-8 AA CVCKYCY1HF473Z 8-4 AA CVCKYPA1HB103K 5-6 AA CVCKYTV1AF106Z 4-14 AC C&

UX-B20U/UX-B20C/B25C19" 4-342 AA C" 4-370 AA C" 4-371 AA C" 4-372 AA CVRS-CY1JB332J 4-265 AA C" 4-357 AA C" 4-362 AA C&q

No part of this publication may be reproduced,stored in a retrieval system, or transmitted inany form or by any means, electronic, mechanical,photoco

UX-B20U/UX-B20C/B25C1 – 11[6] Quick reference guide1. Sending FaxesPlace your document (up to 10 pages) face down in the documentfeeder.1.1. Normal Di

UX-B20U/UX-B20C/B25C2 – 1FAXUX-B20U/UX-B20C/B25CService ManualService ManualMarketE CHAPTER 2. ADJUSTMENTS[1] Adjustments1. GeneralSince the following

UX-B20U/UX-B20C/B25C2 – 2[2] Diagnostics and service soft switch1. Entering the diagnostic mode2. Diagnostic itemsITEM No. Contents Function1 SOFT SWI

UX-B20U/UX-B20C/B25C2 – 33. Diagnostic items description3.1. Soft switch modeUsed to change the soft switch settings.The soft switch which is stored i

UX-B20U/UX-B20C/B25C2 – 44. Entering the printer diagnostic mode5. Printer diagnostic items6. Printer diagnostic items description6.1. 4% data print a

UX-B20U/UX-B20C/B25C2 – 56.6. IJP list modeMaintenance data of the printer is output.[Details of maintenance data]6.7. Printer error check modeThe cau

UX-B20U/UX-B20C/B25C2 – 67. How to make soft switch settingTo enter the soft switch mode, press the following key entries in sequence.PressFUNCTION9 8

– i –UX-B20U/UX-B20C/B25C

UX-B20U/UX-B20C/B25C2 – 78. Soft switch description8.1. Soft switchSWNO.DATANO.ITEMSwitch setting and function Initial settingRemarks10U/CSWlA11 Prote

UX-B20U/UX-B20C/B25C2 – 8SWNO.DATANO.ITEMSwitch setting and function Initial settingRemarks10U/CSWlA61Reserved 02Reserved 03 Disconnect the line when

UX-B20U/UX-B20C/B25C2 – 9SWNO.DATANO.ITEMSwitch setting and function Initial settingRemarks10U/CSWlB512345DTMF signal transmission level (Low)001106Re

UX-B20U/UX-B20C/B25C2 – 10SWNO.DATANO.ITEMSwitch setting and function Initial settingRemarks10U/CSWlD312345Cl off detection timer (0-1550ms set-ting b

UX-B20U/UX-B20C/B25C2 – 11SWNO.DATANO.ITEMSwitch setting and function Initial settingRemarks10U/CSWlF21 CNG detection in STAND-BY mode Yes No 1 OPTION

UX-B20U/UX-B20C/B25C2 – 12SWNO.DATANO.ITEMSwitch setting and function Initial settingRemarks10U/CSWlI21Reserved 02Reserved 03Reserved 04Reserved 05Res

UX-B20U/UX-B20C/B25C2 – 13SWNO.DATANO.ITEMSwitch setting and function Initial settingRemarks10U/CSWlJ11 Reserved 02 Reserved 03 Sender’s phone number

UX-B20U/UX-B20C/B25C2 – 14SWNO.DATANO.ITEMSwitch setting and function Initial settingRemarks10U/CSWlM11Reserved 02Reserved 03Reserved 04Reserved 05Res

UX-B20U/UX-B20C/B25C2 – 15SWNO.DATANO.ITEMSwitch setting and function Initial settingRemarks10U/CSWlO31Reserved 02Reserved 03Reserved 04Reserved 05Res

UX-B20U/UX-B20C/B25C2 – 16SWNO.DATANO.ITEMSwitch setting and function Initial settingRemarks10U/CSWlP41 Reserved 02 Reserved 03 Reserved 04 Reserved 0

UX-B20U/UX-B20C/B25C1 – 1FAXUX-B20U/UX-B20C/B25CService ManualService ManualMarketE CHAPTER 1. GENERAL DESCRIPTION[1] SpecificationsPrint cartridge yi

UX-B20U/UX-B20C/B25C2 – 178.2. Soft switch function descriptionSW-A1 No. 1 Protect from echoUsed to protect from echo in reception.SW-A1 No. 2 Forced

UX-B20U/UX-B20C/B25C2 – 18SW-A5 No. 1, No. 2 Digital line equalization setting (Reception)Line equalization when reception is to be set according to t

UX-B20U/UX-B20C/B25C2 – 19SW-B4 No. 5 Dial pulse make/break ratio (%)When using the 33% make ratio pulse dial, set to "0".When using the 40%

UX-B20U/UX-B20C/B25C2 – 20SW-D2 No. 4 ReservedSet to "0".SW-D2 No. 5 Caller ID functionUsed for Caller ID function.SW-D2 No. 6 Caller ID det

UX-B20U/UX-B20C/B25C2 – 21SW-F2 No. 1 CNG detection in STAND-BY modeWhen setting to "1", the CNG signal detection function during stand-byst

UX-B20U/UX-B20C/B25C2 – 22SW-O1 No. 1 ~ No. 8 ReservedSet to "0".SW-O2 No. 1 ~ No. 8 ReservedSet to "0".SW-O3 No. 1 ~ No. 8 Reserv

UX-B20U/UX-B20C/B25C2 – 23[3] TroubleshootingRefer to the following actions to troubleshoot any of the problemsmentioned in 1-4.[1] A communication er

UX-B20U/UX-B20C/B25C2 – 24[4] Error code table1. Communication error code table1.1. G3 Transmission1.2. G3 ReceptionCode Final received signal Error C

UX-B20U/UX-B20C/B25C3 – 1FAXUX-B20U/UX-B20C/B25CService ManualService ManualMarketE CHAPTER 3. MECHANISM BLOCKS[1] General description1. Document feed

UX-B20U/UX-B20C/B25C3 – 23.5. Documents requiring use of document carrier1) Documents smaller than 148mm (W) x 140mm (L).2) Documents thinner than the

UX-B20U/UX-B20C/B25C1 – 2[2] Operation panel146231. DisplayThis displays messages and prompts to help you operate themachine.2. FLASH keyThis key is u

UX-B20U/UX-B20C/B25C3 – 3[2] Ink jet printer1. Engine specifications1.1. MechanismResolution:600dpi x 600dpi address abilityPrint speed:2.9PPM text wi

UX-B20U/UX-B20C/B25C3 – 45. Overall troubleshooting of Printer• BOTH CARRIER MOTOR AND FEED MOTORARE NG.NGOPENREPLACE FU101OKFUSE "FU101"+30

UX-B20U/UX-B20C/B25C3 – 5• MISSING NOZZLES (RESULT OF CHECK PATTERNOR CLEAN NOZZLES)MISSING MANY NOZZLESCLEAN NOZZLESNGNGYESREPLACE ANOTHER CARTRIDGEN

UX-B20U/UX-B20C/B25C3 – 6[3] Disassembly and assembly procedures• This chapter mainly describes the disassembly procedures. For the assembly procedure

UX-B20U/UX-B20C/B25C3 – 7Fig.2Main frame unit/Operation panel unit/Speaker2Parts list (Fig. 2)7 Speaker 18 Screw (3x10) 19 Operation panel unit 110 Ma

UX-B20U/UX-B20C/B25C3 – 8Fig.3PWB's3Parts list (Fig. 3)NOTE: For disassembly of the inside of the unit,refer to the exploded view in the partsgui

UX-B20U/UX-B20C/B25C3 – 9Fig.4Wire treatment4Parts list (Fig. 4)1 Band (100mm) 82 Wire holder 23 Screw (4x6) 14 Screw (3x6) 15 Core (F2147) 16 Core (F

UX-B20U/UX-B20C/B25C4 – 1FAXUX-B20U/UX-B20C/B25CService ManualService ManualMarketE CHAPTER 4. DIAGRAMS[1] Block diagramHANDSETLIU PWB UNITLCD UNITFAX

UX-B20U/UX-B20C/B25C4 – 2[2] Wiring diagramHANDSETTEL LINE CNLNJCNLIUCNLIUCNSPCNPRGCNCISCNPWCNPWCNPNCNPNOPERATION PANEL PWB UNITLCD UNITCNLCD121244161

UX-B20U/UX-B20C/B25C4 – 3[3] Point-to-point diagram1234567123456789101112131415161234567OPERATIONPANELPWB UNITVOVGCISVDDøTCISCLKGLED+24VVOVGCISVDDøTCI

UX-B20U/UX-B20C/B25C1 – 3[3] Transmittable documents1. Document Sizes Use document carrier sheet for smaller documents.• With special sizes, only one

UX-B20U/UX-B20C/B25C5 – 1FAXUX-B20U/UX-B20C/B25CService ManualService ManualMarketE CHAPTER 5. CIRCUIT DESCRIPTION[1] Circuit description1. General de

UX-B20U/UX-B20C/B25C5 – 2[2] Circuit description of control PWB 1. General descriptionFig. 2 shows the functional blocks of the control PWB, which is

UX-B20U/UX-B20C/B25C5 – 32.2.10 Scanner and Video ControlFive programmable control and timing signals support common CCDand CIS scanners. The video co

UX-B20U/UX-B20C/B25C5 – 4SCE209L (IC5) Terminal descriptionsPin No.Pin List I/OInput TypeOutput TypePin Description1 VDDPLL — — — PLL Power2 VSSPLL —

UX-B20U/UX-B20C/B25C5 – 5SCE209L (IC5) Terminal descriptionsPin No.Pin List I/OInput TypeOutput TypePin Description63 PCLK/DMAACK O — 3XC —64 VDD — —

UX-B20U/UX-B20C/B25C5 – 6SCE209L (IC5) Terminal descriptionsPin No.Pin List I/OInput TypeOutput TypePin Description125 A[10] I/O Tu 13Xs CPU Address B

UX-B20U/UX-B20C/B25C5 – 72.3. Panel control blockThe following controls are performed by the SCE209L.• Operation panel key scanning• Operation panel L

UX-B20U/UX-B20C/B25C5 – 82.5. Modem block (CX06835)2.5.1 Integrated Analog Control Resisters for CX06835The CX06835 IA can be used as a Primary Integr

UX-B20U/UX-B20C/B25C5 – 92.6. IC4 (µPD65945) Hardware description2.6.1 Entire Mechanism Sequence ControllerDepending on data processing of the entire

UX-B20U/UX-B20C/B25C5 – 102.6.11 Fax Engine Bus InterfaceThis interface has a bridging function for connecting the external busof Fax Engine LSI and t

UX-B20U/UX-B20C/B25C1 – 4[4] Installation1. Site selectionTake the following points into consideration when selecting a site forthis model.ENVIRONMENT

UX-B20U/UX-B20C/B25C5 – 11µPD65945 (IC4) Pin descriptionsSYMBOL PIN NO. I/O DESCRIPTION PAD CELL. NOTESystem Operation Signals (3 pin)XIN 75 I X’tal i

UX-B20U/UX-B20C/B25C5 – 12µPD65945 (IC4) Pin descriptionsSYMBOL PIN NO. I/O DESCRIPTION PAD CELL. NOTESensor Signals (2 pin)POS 124 I Home position Se

UX-B20U/UX-B20C/B25C5 – 13µPD65945 (IC4) Pin descriptionsSYMBOL PIN NO. I/O DESCRIPTION PAD CELL. NOTESDRAM Bus Interface (33 pin)RA0 35 O Address bus

UX-B20U/UX-B20C/B25C5 – 142.7. IC10 (PLCC44) Hardware descriptionThis specfication describes a multifunction analog ASIC to be used ininkjet printer a

UX-B20U/UX-B20C/B25C5 – 15[3] Circuit description of LIU PWB1. LIU block operational description1.1. Block diagram1.2. Circuit descriptionThe LIU PWB

UX-B20U/UX-B20C/B25C5 – 166. Signal/DTMF transmission level & receiving level• Signal transmission level setting: ATT -8 dB Circuit output: -11.5d

UX-B20U/UX-B20C/B25C5 – 17[4] Circuit description of power supply PWB1. Block diagramThis power supply unit has the function to convert the AC 120 V (

UX-B20U/UX-B20C/B25C6 – 1FAXUX-B20U/UX-B20C/B25CService ManualService ManualMarketE CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT[1] Control PWB circ

UX-B20U/UX-B20C/B25C6 – 22. Memory Block (2/8)AABBCCDDEEFFGGHHII6 65 54 43 32 21 1D(A)7D(A)0D(A)2D(A)3D(A)5D(A)6D(A)1D(A)4D(A)8D(A)9D(A)10D(A)11D(A)12

UX-B20U/UX-B20C/B25C6 – 33. FAX Modem Block (3/8)AABBCCDDEEFFGGHHII6 65 54 43 32 21 1FLTXDSIGMUTESIGMUTEDTMFMUTEDTMFMUTECNLIU-5CNPN-8CNLCI-HS-RHS-IU-1

UX-B20U/UX-B20C/B25C1 – 54. Attaching the paper tray1) Attach the paper tray.2) Attach the paper tray extension.5. Loading printing paperYou can load

UX-B20U/UX-B20C/B25C6 – 44. ASIC Block (4/8)AABBCCDDEEFFGGHHII6 65 54 43 32 21 1A(A)[11:0]A(A)3A(A)5A(A)10A(A)11A(A)9A(A)2A(A)7A(A)8A(A)0A(A)1D5D2A3D7

UX-B20U/UX-B20C/B25C6 – 55. Thunderbolt Block (5/8)AABBCCDDEEFFGGHHII6 65 54 43 32 21 1CNFDMT-4CNFDMT-2CNCRMT-3CNCRMT-4CNCRMT-2SDITB(4-6G)(4-6G)(4-6G)

UX-B20U/UX-B20C/B25C6 – 66. Video/Sensor/Power Supply Block (6/8)AABBCCDDEEFFGGHHII6 65 54 43 32 21 1MGCNPW-1CNPW-3CNPW-4CNPN-5CNPN-6CNPRG-2PINCNPW-5C

UX-B20U/UX-B20C/B25C6 – 77. Analog Signal Block (7/8)AABBCCDDEEFFGGHHII6 65 54 43 32 21 1SIGTXDTMFMUTECNTXOUTLIU-9RCVOLSIGRXW-TONESPOUTBZOUT1VOLAVOLCV

UX-B20U/UX-B20C/B25C6 – 88. Connector Block (8/8)AABBCCDDEEFFGGHHII6 65 54 43 32 21 1+24VSP+SP-VOVGCISVDDGLEDDGFLRXD+24V+5VRHS-DPONDPMUTESEN1KEN1AKEN2

UX-B20U/UX-B20C/B25C6 – 99. Control PWB parts layout (Top side)The CONTROLPWB of the modelemploys lead-freesolder.

UX-B20U/UX-B20C/B25C6 – 1010. Control PWB parts layout (Bottom side)The CONTROLPWB of the modelemploys lead-freesolder.

UX-B20U/UX-B20C/B25C6 – 11[2] LIU PWB circuit1. LIU PWB Circuit (1/3)5544332211D DC CB BA AVref AARGDGCNLNJ-5CNTLJ-4IN/OUTCNLNJ-4CNTLJ-3CNLNJ-3CNLNJ-2

UX-B20U/UX-B20C/B25C6 – 122. LIU PWB Circuit (2/3)5544332211D DC CB BA AHSDGVref ADGVref ADGDGDGVref AVref BDGDGDGDGDGDGVref BVref ADGVref ADG24VADGDG

UX-B20U/UX-B20C/B25C6 – 133. LIU PWB Circuit (3/3)5544332211D DC CB BA ADG+5VDGDGVref A+24VAVref BDG+24VADG+24V+24V+5VDGDGDGVref ADGDGDG+5VFGCNLIU-4CN

UX-B20U/UX-B20C/B25C1 – 67. Installing the print cartridgeFollow these steps to install or replace the print cartridge.• When replacing the print cart

UX-B20U/UX-B20C/B25C6 – 144. LIU PWB parts layout (Top side)The TEL/LIU PWBof the modelemploys lead-freesolder.

UX-B20U/UX-B20C/B25C6 – 155. LIU PWB parts layout (Bottom side)The TEL/LIU PWBof the modelemploys lead-freesolder.

UX-B20U/UX-B20C/B25C6 – 16[3] Power Supply PWB circuit1. Power Supply PWB circuitCNPW+30V+30V1+5V+5V786543DGDGMGMG2P101JUMPERD104HZ-36PR1087.5KR1057.5

UX-B20U/UX-B20C/B25C6 – 172. Power Supply PWB parts layout (Top side)3. Power Supply PWB parts layout (Bottom side)D104C103R104R103BEA101P101C101VR101

UX-B20U/UX-B20C/B25C6 – 18[4] Operation Panel PWB circuit1. Operation Panel PWB circuit5544332211D DC CB BA ASEN0LD0SEN1LD1SEN2SEN3SEN4SEN5SEN6LD2LD3R

UX-B20U/UX-B20C/B25C6 – 192. Operation Panel PWB parts layout (Top side)The OPERATION PANEL PWBof the model employs lead-freesolder.Note: Since the pa

UX-B20U/UX-B20C/B25C6 – 203. Operation Panel PWB parts layout (Bottom side)The OPERATION PANEL PWBof the model employs lead-freesolder.Note: Since the

UX-B20U/UX-B20C/B25C6 – 21[5] Ink PWB circuit1. Ink PWB CircuitAABBCCDDEEFFGGHH6 65 54 43 32 21 1PLOADOK2PRTID1LHCSNHDRESETBCP3BCP16BCA3BCP5BCA9BCA7BC

UX-B20U/UX-B20C/B25C6 – 222. Ink PWB parts layout (Top side)3. Ink PWB parts layout (Bottom side)FPCFPC

UX-B20U/UX-B20C/B25C7 – 1FAXUX-B20U/UX-B20C/B25CService ManualService ManualMarketE CHAPTER 7. OPERATION FLOWCHART[1] ProtocolNSFDISNSSTCFCEDNSFDISNSS

UX-B20U/UX-B20C/B25C1 – 76) Insert the new print cartridge into the cartridge holder.7) Place your index finger on the tab as shown and close the cart

UX-B20U/UX-B20C/B25C7 – 2[2] Power on sequence21YESYESCPU initializedMODEM initializedSTOP key ?"WAIT A MOMENT" displaySTARTNOYESSTAND-BY3 s

UX-B20U/UX-B20C/B25C8 – 1FAXUX-B20U/UX-B20C/B25CService ManualService ManualMarketE CHAPTER 8. OTHER[1] Service tools1. List1.1. Extension board unit1

UX-B20U/UX-B20C/B25C8 – 22. Relay board unit2.1. Relay board unit1. Remove the LIU, Control PWB and Power Supply PWB from thisunit, and mount the boar

UX-B20U/UX-B20C/B25C8 – 33. Shading paper• The white and black basis is applied to remember the shadingwaveform. Be sure to perform this operation whe

UX-B20U/UX-B20C/B25C8 – 4[2] Changing the record paper size1. How to change the A4 size and letter size of therecord papers1) It becomes the record pa

UX-B20U/UX-B20C/B25C8 – 5[3] Rewriting version up the FLASH ROM1. Step 1 File setting (1)Execute “FAX_LOADER.EXE” and extract the compressed file.File

UX-B20U/UX-B20C/B25C8 – 61*: Connect one end of RS-232C cable to the COM port of the PC and the other end to RS-232C DSUB 9PIN of Program loader BOX.2

UX-B20U/UX-B20C/B25C8 – 74. Using software for the PC (Tera Term)Uncompress the compressed file of Tera Term.Execute the “SETUP.EXE” from compressed f

UX-B20U/UX-B20C/B25C8 – 82. Select “Serial port” from the pull-down menu of “Setup”.Select the port number which the RS-232C cable is connected to.Set

UX-B20U/UX-B20C/B25C8 – 93. Perform procedures described in Table 3.1*: Connect one end of RS-232C cable to the COM port of the PC and the other end t