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Sharp UX-B800A Service Manual

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TopPage
[1]
Caution................................................... . ....... 1-1
[2]
Specifications ......................................... . ....... 1-2
[3]
Operation panel...................................... . ....... 1-3
[4]
Transmittable documents ....................... . ....... 1-5
[5]
Installation .............................................. . ....... 1-6
[6]
Scan to E-mail........................................ . ..... 1-10
[7]
Clearing paper jams ............................... . ..... 1-12
[8]
Quick reference guide ............................ . ..... 1-13
[1]
Adjustments ........................................... . ....... 2-1
[2]
[3]
Troubleshooting ..................................... . ..... 2-40
[4]
Error code table...................................... . ..... 2-41
CHAPTER 3. MECHANISM BLOCKS
[1]
General description ................................ . ....... 3-1
[2]
Ink jet printer .......................................... . ....... 3-3
[3]
[1]
Block diagram ........................................ . ....... 4-1
[2]
Wiring diagram ....................................... . ....... 4-2
[3]
Point-to-point diagram............................ . ....... 4-3
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
SERVICE MANUAL
MODEL
MODEL
UX-B800
CONTENTS
[1]
Circuit description ..........................................5-1
[2]
[3]
Circuit description of LIU PWB ....................5-13
[4]
[5]
Circuit description of CIS unit ......................5-15
[1]
Control PWB circuit .......................................6-1
[2]
LIU PWB circuit ...........................................6-14
[3]
Power Supply PWB circuit...........................6-19
[4]
Operation Panel PWB circuit .......................6-21
[1]
Protocol .........................................................7-1
[2]
Power on sequence.......................................7-2
[3]
Service tools ..................................................7-3
[4]
No. 00ZUXB800ASME
FACSIMILE
UX-B800A
SELECTION CODE DESTINATION
A
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
UX-B800A
Australia

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  • Page 1: Table Of Contents

    TopPage UX-B800A SERVICE MANUAL No. 00ZUXB800ASME FACSIMILE UX-B800A MODEL MODEL SELECTION CODE DESTINATION UX-B800 Australia CONTENTS CHAPTER 1. GENERAL DESCRIPTION CHAPTER 5. CIRCUIT DESCRIPTION Caution............1-1 Circuit description ..........5-1 Specifications ..........1-2 Circuit description of control PWB ....5-2 Operation panel........

  • Page 2: Chapter 1. General Description

    UX-B800A CHAPTER 1. UX-B800A GENERAL DESCRIPTION Service Manual [1] Caution 1. Caution for Battery replacement (French) ATTENTION (Danish) ADVARSEL ! Il y a danger d'explosion s' il y a remplacement incorrect Lithiumbatteri-Eksplosionsfare ved fejlagtig håndtering. de la batterie. Remplacer uniquement avec une batterie du Udskiftning må...

  • Page 3: Specifications

    Based on Sharp Standard Chart at standard resolution, excluding time for protocol signals (i.e., ITU-T phase C time only). As a part of our policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice.

  • Page 4: Operation Panel

    UX-B800A [3] Operation panel FUNCTION COPY/HELP STOP RESOLUTION/ RECEPTION MODE SPEED DIAL PQRS WXYZ HOLD 34/G2 REDIAL 33/G1 SPEAKER B'CAST SECURE DUPLEX DOWN 13 14 15 16 17 Note: Affix the Rapid Key labels as shown above. A fax number or e-mail address Use to dial numbers.
  • Page 5 UX-B800A Letter keys Use these keys when the display prompts you to enter a name, e-mail address, or other text. B'CAST SECURE DUPLEX Press to delete the character marked by the Press to enter a symbol (the character 6. DEL key: 1.

  • Page 6: Transmittable Documents

    UX-B800A [4] Transmittable documents 5. Automatic Document Feeder Capacity Number of pages that can be placed into the feeder at as follows: 1. Document Sizes Normal size: max. ADF 20 pages • Temperature: 18 ~ 28°C Normal size Width 148 - 210 mm...

  • Page 7: Installation

    UX-B800A [5] Installation 2) Close the cover. 1. Site selection Take the following points into consideration when selecting a site for this model. ENVIRONMENT • The machine must be installed on a level surface. • Keep the machine away from air conditioners, heaters, direct sun- light, and dust.

  • Page 8: Loading Paper

    Surge protectors can be purchased at most tele- phone specialty sotres. 7. Installing the print cartridge Print cartridge yield SHARP UX-C80B replacement cartridge Ink Save mode OFF: Approx. 480 A4 pages • If paper remains in the tray, take it out and combine it into a sin- Ink Save mode ON: Approx.
  • Page 9 UX-B800A 2) Remove only the tape from the new cartridge. 5) Close the cover, pressing firmly on both front corners. • Make sure all tape is removed. • CAUTION! DO NOT touch the gold contact area on the car- tridge.
  • Page 10 UX-B800A 8. Connecting the Phone Line Connect the phone line cord to the TEL. LINE socket and a wall tele- phone socket (use the provided adapter if needed). Wall phone socket TEL. LINE socket The machine is initially set for tone dialing. If you are on a pulse dial line, change the "DIAL MODE"...

  • Page 11: Scan To E-Mail

    UX-B800A [6] Scan to E-mail Automatic assignment of IP addresses is normally performed by a The Scan to E-mail feature lets you scan a document and directly send DHCP server, which may be a computer, router, or other device on the image to an e-mail recipient.
  • Page 12 UX-B800A 2. E-mail Settings 3. E-mail settings Enter the required information for each setting as explained below. Before the Scan to E-mail function can be used, you must configure the e-mail settings. This is done in step 4 of the procedure on the previous page.

  • Page 13: Clearing Paper Jams

    UX-B800A [7] Clearing paper jams 2. Clearing jammed printing paper 1) Open the cover ( ). Pull the jammed paper forward or backward 1. Clearing a jammed document out of the machine as appropriate ( ), taking care not to tear it.

  • Page 14: Quick Reference Guide

    UX-B800A [8] Quick reference guide 7. Storing Destinations 1. Fax / Scan to E-mail Transmission FUNCTION 1. Press , then Place your document (up to 20 pages) face down in the document feeder. SPEED DIAL 2. Press an unused Rapid Key, or press and enter an unused 2-digit Speed Dial number (01 to 63).

  • Page 15: Chapter 2. Adjustments

    UX-B800A CHAPTER 2. UX-B800A ADJUSTMENTS 4. Settings Service Manual 4.1. Dial mode selector [1] Adjustments DIAL mode (Soft Switch No. SW-9 Data No. 8) Use this to set the fax machine to the type of telephone line you are 1. General description Since the following adjustments and settings are provided for this •...

  • Page 16: Diagnostics And Service Soft Switch

    Pressing [>] or [#] key moves the cursor to the right. If the cursor START/MEMORY is on data number 8, pressing [>] or [#] key shifts the cursor to data SHARP CHART AGING number 1 of the next switch number. If the switch number is the START/MEMORY ASF AGING final, pressing [>] or [#] key will exit the soft switch mode.
  • Page 17 UX-B800A e) Pressing [8] key moves the cursor to the data number 1 of the 2.4. PANEL CHECK MODE 10th former soft switch. This is used to check whether each key is normally operated or not. After the test, the test result will be printed.
  • Page 18 UX-B800A 2.6. SIGNAL SEND MODE 2.9. AUTO FEEDER MODE The specified signals are transmitted in the following sequence to Inserting and discharging the document can check the auto feeder. check the modem. 1. The information of document sensor (A4 sensor) and ORG sensor 1.
  • Page 19 Press the [STOP] key to exit the mode. 2.17. LIFE CLEAR MODE 2.13. SHARP CHART AGING MACHINE DOT COUNT and MACHINE PAGE COUNT are cleared. SHARP CHART is printed continuously. Start by pressing the DIAG MODE [START/MEMORY] key 17:LIFE CLEAR MODE...
  • Page 20 UX-B800A 3. How to make soft switch setting To enter the soft switch mode, press the following key entries in sequence. Press FUNCTION 9 START/MEMORY START/MEMORY DATA No. 1 2 3 4 5 6 7 8 SW001 = 0 0 0 0 0 0 0 0 Press 1 or key.
  • Page 21 UX-B800A 4. Soft switch description 4.1. Soft switch Switch setting and function DATA Initial ITEM Remarks setting Reserved Reserved Receive mode TEL/ No.3 No.4 Reserved Reserved Reserved Reserved Reserved Forced 4800BPS reception CED tone signal interval 75ms 500ms 750ms 1000ms No.3...
  • Page 22 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting H2 mode Reserved ECM mode OPTION ECM MMR mode Signal transmission level Binary input No. = 8 8 (Data No.) EX 1 eg. -8dBm Recall interval (FAX) Setting: N = 1 to 9 Binary input No.
  • Page 23 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting MH fixed Reserved Reserved Reserved Reserved Key tone OPTION Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Modem speed No. 5 No.6 No. 7 No.
  • Page 24 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Line density selection STAN- FINE S-FINE...
  • Page 25 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 26 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Error criterion 10-20% 5-10% EOL (End of Line) detection timer 13sec 25sec 5sec No. 5 No. 6 Reserved Reserved...
  • Page 27 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Make/Break ratio in D.P. 40/60 33/67 Pre pause time in D.P. 320ms 50ms Inter digit pause time No.
  • Page 28 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 29 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Busy tone detect when TEL/FAX mode Dial tone detect when TEL/FAX mode Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 30 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Ringer Volume MIDDLE HIGH No.
  • Page 31 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 32 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 33 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 34 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 35 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 36 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 37 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Connect configuration for LAN con- No. 1 No.
  • Page 38 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Default file format for network scan PDF TIFF Network setting Default resolution for network scan Stan- Fine S-Fine Network setting dard No. 2 No. 3 Reserved Reserved Reserved Reserved SMTP authentication type All of GEMINI’s support type...
  • Page 39 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Number of rings for auto-receive OPTION (0:No ring receive) Setting: Binary input N = 1 to 9 No. = 8 4 (Data No.) EX 0 eg. Number of rings for auto receive is set to 4.
  • Page 40 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 41 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 42 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 43 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 44 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 45 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 46 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 47 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 48 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
  • Page 49 UX-B800A DATA Switch setting and function Initial ITEM Remarks setting Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Busy tone detect pulse in TEL/ 2pulse 4pulse 6pulse 10pulse FAX mode No. 4 No. 5 Dial tone detect time in TEL/FAX...
  • Page 50 UX-B800A 4.2. Soft switch function description SW4 No. 5 Non-modulation carrier for V29 transmission mode Though transmission of a non-modulated carrier is not required for SW1 No. 1, No. 2 Reserved transmission by the V29 modem according to the CCITT recommen- dation, it may be permitted to send a non-modulated carrier before the image signal to avoid an echo suppression problem.
  • Page 51 UX-B800A SW9 No. 1 ~ No. 3 Reserved SW14 No. 1 ~ No. 4 Reserved SW9 No. 4 Sort Copy function SW14 No. 5 ~ No. 8 Modem Speed Used for sort copy. Used to determine the initial modem speed. The default is 14400BPS(V.17).
  • Page 52 UX-B800A SW22 No. 1 Activate Receive Fax to E-mail SW40 No. 1 ~ No. 3 Inter digit pause time The Receive Fax to E-mail function ON/OFF is set. Used to set the pause time between pulse. SW22 No. 2 Print setting of received fax for Receive Fax to E-mail SW40 No.
  • Page 53 UX-B800A SW110 No. 4 ~ No. 8 Reserved SW118 No. 1 ~ No. 8 Reserved SW111 No. 1 ~ No. 4 Detect time of LAN link ON SW119 No. 1 ~ No. 3 Reserved Used to change the setting for the link ON detection time when con- necting a LAN cable.

  • Page 54: Troubleshooting

    UX-B800A [3] Troubleshooting • Slow down the transmission speed SOFT SWITCH A2-1, 2, 3, 4. May be used in case [2] [3]. Refer to the following actions to troubleshoot any of the problems • Replace the LIU PWB. mentioned in 1-4.

  • Page 55: Error Code Table

    UX-B800A [4] Error code table 1. Communication error code table 1.1. G3 Transmission Code Final received signal Error Condition (Receiver side) Incomplete signal frame Cannot recognize bit stream after flag NSF, DIS Cannot recognize DCS signal by echo etc. Cannot recognize NSS signal (FIF code etc.) Disconnects line during reception (carrier missing etc.)

  • Page 56: Hopper Mechanism

    UX-B800A CHAPTER 3. UX-B800A MECHANISM BLOCKS 3.2. Automatic document feed Service Manual 1) Use of the paper feed roller and separate plate ensures error-free transport and separation of documents. The paper feed spring [1] General description presses the document to the paper feed roller to assure smooth feeding of the document.

  • Page 57: General Description

    UX-B800A 3.5. Documents requiring use of document carrier 5. Recording block 1) Documents smaller than 148mm (W) x 140mm (L). 1) The PU ROLLER is rotated by the DC motor to feed the recording paper. The SEPARATE RUBBER feeds one by one from the top 2) Documents thinner than the thickness of 0.06mm.

  • Page 58: Ink Jet Printer

    UX-B800A [2] Ink jet printer 1. Overall troubleshooting of Printer • BOTH CARRIER MOTOR AND FEED MOTOR ARE NG. CHECK RESISTANCE +30V C603 CHECK +30V PATTERN BETWEEN +30V AND GND. SHORT OR NOT SHORT REPLACE CONTROL PWB CHECK IC600 REPLACE IC600 REPLACE CONTROL PWB •...
  • Page 59 UX-B800A • MISSING NOZZLES (RESULT OF CHECK PATTERN OR CLEAN NOZZLES) CLEAN NOZZLES REPLACE ANOTHER CARTRIDGE CHECK IC AND CONNECTOR MISSING MANY NOZZLES CHECK THE SOLDER BETWEEN CNPRT1,2 (CONTROL PWB) AND IC100 CORRECT SOLDER CHECK RESISTANCE BETWEEN SHORT CHECK VPH(+10.8V) (CNPRT1-1,2PIN) (CNPRT2-1,2,3PIN) VPH(+10.8V) AND GND, SHORT OR NOT.

  • Page 60: Disassembly And Assembly Procedures

    UX-B800A [3] Disassembly and assembly procedures • This chapter mainly describes the disassembly procedures. For the assembly procedures, reverse the disassembly procedures. • Easy and simple disassembly/assembly procedures of some parts and units are omitted. For disassembly and assembly of such parts and units, refer to the Parts List.
  • Page 61 UX-B800A 2. Top cover/Back cover Parts list (Fig. 2) NOTE: Part name 1. Remove the back cover and then the top cover. Mechanism unit 2. Insert the hook switch lever into the top cover, then install Platen roller the back cover.
  • Page 62 UX-B800A 3. Paper hopper unit/PU guide upper Parts list (Fig. 3) NOTE: Part name Part name For disassembly of the inside of the unit, refer to Mechanism unit Paper pad the exploded view in the parts guide. Screw (3x10) Rotation plate...
  • Page 63 UX-B800A 4. PU guide lower unit/TX drive frame unit Parts list (Fig. 4) NOTE: Part name For disassembly of the inside of the unit, refer to Mechanism unit the exploded view in the parts guide. Screw (3x10) PU guide lower unit...
  • Page 64 UX-B800A 5. Cable guide/CIS unit Parts list (Fig. 5) NOTE: Part name For disassembly of the inside of the unit, refer to Mechanism unit the exploded view in the parts guide. Screw (3x10) Cable guide Hook CIS unit 5 CIS unit...
  • Page 65 UX-B800A 6. Control PWB unit/Printer unit Parts list (Fig. 6) Part name Part name Mechanism unit Star wheel base unit Connector Printer exit upper plate Flat cable Printer PO roller Screw (3x6) Screw (3x10) Control PWB unit Screw (3x6) Screw (3x10)
  • Page 66 UX-B800A 7. LIU PWB unit/Power supply PWB unit Parts list (Fig. 7) Part name Mechanism unit Screw (3x10) Screw (3x6) LIU PWB unit Screw (3x10) Screw (3x6) Screw (4x6) Power supply PWB unit Power supply PWB unit Washer LIU PWB unit...
  • Page 67 UX-B800A 8. Wire treatment Parts list (Fig. 8) Part name Band(100mm) Screw (4x6) Screw (3x6) Core(F2145) Core(F2137) TOP VIEW 4 : The TX motor cable pass to the core 2 times. 4 : The CIS cable pass to the core 2 times.

  • Page 68: Chapter 4. Diagrams Block Diagram

    UX-B800A CHAPTER 4. UX-B800A DIAGRAMS Service Manual [1] Block diagram 4 – 1...

  • Page 69: Wiring Diagram

    UX-B800A [2] Wiring diagram 4 – 2...

  • Page 70: Point-To-Point Diagram

    UX-B800A [3] Point-to-point diagram CNCIS CONTROL LIU PWB UNIT PWB UNIT CNLIU CNLIU +24V +24V GLED GLED RHS- RHS- VLED VLED TELIN TELIN TELMUTE TELMUTE SPEAKER CNSP RXIN RXIN TXOUT TXOUT CNLAN MICMUTE MICMUTE TELOUT TELOUT HS-(N.C.) CT(RX) DPON DPON...

  • Page 71: Chapter 5. Circuit Description Circuit Description

    UX-B800A CHAPTER 5. UX-B800A CIRCUIT DESCRIPTION Service Manual [1] Circuit description 3. Operational description Operational descriptions are given below: 1. General description • Transmission operation The compact design of the control PWB is obtained by using CONEX- When a document is loaded in stand-by mode, the state of the doc- ANT fax engine in the main control section and high density printing of ument sensor is sensed via the 1 chip fax engine (CX93310).

  • Page 72: Circuit Description Of Control Pwb

    UX-B800A [2] Circuit description of control PWB - CIS and CCD control - Scanner AFE control 1. General description - Direct thermal, thermal transfer, inkjet and laser print engine direct Fig. 2 shows the functional blocks of the control PWB, which is com- control posed of 5 blocks.
  • Page 73 UX-B800A IC100: RH-IX2505XHPZ (CX93310) (1/4) Pin Name Def. Slew Drv. Description Rate Stre. Reset, Main Clock, Voltage Regulator and Test Mode RESET# Reset (active low) XIN/EXTCLK Crystal/Oscillator Input (10-60MHz) XOUT Crystal Output VREG_CTRL Voltage Regulator control output VREG_ENABLE Voltage Regulator Enable...
  • Page 74 UX-B800A IC100: RH-IX2505XHPZ (CX93310) (2/4) Pin Name Def. Slew Drv. Description Rate Stre. IOPIN_GRP_5[4]/GPIO[44] General Purpose I/O IOPIN_GRP_5[5]/GPIO[45] General Purpose I/O IOPIN_GRP_5[6]/GPIO[46] General Purpose I/O IOPIN_GRP_5[7]/GPIO[47] General Purpose I/O IOPIN_GRP_6[0]/GPIO[48] General Purpose I/O IOPIN_GRP_6[1]/GPIO[49] General Purpose I/O IOPIN_GRP_6[2]/GPIO[50] General Purpose I/O...
  • Page 75 UX-B800A IC100: RH-IX2505XHPZ (CX93310) (3/4) Pin Name Def. Slew Drv. Description Rate Stre. GPIO_116_96[5]/GPIO[101] General Purpose I/O GPIO_116_96[6]/GPIO[102] General Purpose I/O GPIO_116_96[7]/GPIO[103] General Purpose I/O GPIO_116_96[8]/GPIO[104] General Purpose I/O GPIO_116_96[9]/GPIO[105] General Purpose I/O GPIO_116_96[10]/GPIO[106] General Purpose I/O GPIO_116_96[11]/GPIO[107] General Purpose I/O...
  • Page 76 UX-B800A IC100: RH-IX2505XHPZ (CX93310) (4/4) Pin Name Def. Slew Drv. Description Rate Stre. Real Time Clock VDD_RTC 3.3V Battery Power RTC_XIN 32KHz Crystal/Oscillator input RTC_XOUT 32KHz Crystal output CORE_PWR_DET Power detection signal BATRST# Battery reset (active low) VSS_RTC Battery Ground...
  • Page 77 UX-B800A 2.3. IC301 (CX20452) Modem block 2.3.1 Summary The CONEXANT CX20452 Codec is an Integrated Analog (IA) circuit providing modem digital-to-analog and analog-to-digital conversion. It is pack- aged in a 24-pin QFN. Ordering information is listed in Table 1-1. The CX20452 Codec can serve as a line interface device between a CONEXANT® Modem Data Pump (MDP) and the PSTN. It can also serve as a voice interface between the MDP and a microphone and speaker.
  • Page 78 UX-B800A 3) A/D converter The ADC input provides a 0/-4 dBm low pass filter. The ADC is a second order sigma-delta type ADC which samples at a rate between 1.024 MHz and 2.048 MHz to produce a programmable baseband sample, depending on the decimation ratio programmed in the decimation filter and the clock value.
  • Page 79 UX-B800A PIN NO. NAME SYMBOL BUFFER DESCRIPTION TYPE TQFP 94-95 96-97 nByte Enable nBE0-nBE1 Input. Used during LAN91C113 register accesses to determine the width of the access and the register(s) being accessed. 107-104, 102-99, 109-106, 104- Data Bus D0-D15 I/O24** Bidirectional.
  • Page 80 UX-B800A PIN NO. NAME SYMBOL BUFFER DESCRIPTION TYPE TQFP I/O Base IOS0-IOS2 I with pul- Input. External switches can be connected to these lup** lines to select between predefined EEPROM config- urations. Enable EEPROM ENEEP I with pul- Input. Enables (when high or open) LAN91C113 lup** accesses to the serial EEPROM.
  • Page 81 UX-B800A IC600 (14D0830) Pin descriptions (1/2) 2.5. IC600 (14D0830) Hardware description PIN NAME PIN DESCRPTION This specfication describes a multifunction analog ASIC to be used in inkjet printer applications. This ASIC integrates two Switching Voltage DC1_A or DC1+ Pos output for DC mtr drvr #1...
  • Page 82 UX-B800A IC600 (14D0830) Pin descriptions (2/2) PIN NAME PIN DESCRPTION PIN NAME PIN DESCRPTION VBULK Source pin for Vcc Reg. Place a 0.1uF VPHSCLAMP VPH reg source clamp decoupling cap close to this pin. VPH_LD_DET or Load detect output pin VCC_SOURCE or Source pin for Vcc reg.

  • Page 83: Circuit Description Of Liu Pwb

    UX-B800A [3] Circuit description of LIU PWB 1. LIU block operational description 1.1. Block diagram CONTROL PWB LIU PWB IC301 MODEM CX20452 IC101B LINE IC401A IC101A CI DETECTOR IC101D IC101C Q104 SPEAKER TELMUTE IC401B Q105 MICMUTE IC600 INK CONTROL VOLA...
  • Page 84 UX-B800A 1.4. Signal selection [Other signals] The following signals are used to control the transmission line of TEL/ Signal Name Function FAX signal. For details, refer to the signal selector matrix table. TEL IN Receiving signal from line or modem.

  • Page 85: Circuit Description Of Power Supply Pwb

    UX-B800A [4] Circuit description of power supply PWB 1. Block diagram This power supply unit has the function to convert the AC 220-230 V (50/60 Hz) to DC 5 V, and provide these outputs to the equipment. The following explains the function of each block.

  • Page 86: Chapter 6. Circuit Schematics And Parts Layout

    UX-B800A CHAPTER 6. UX-B800A CIRCUIT SCHEMATICS AND PARTS LAYOUT Service Manual [1] Control PWB circuit 1. Main Control Block (1a/10) 1/10 Main Control Block (1/2) BR132 100x4 IC103 N.M. (5G) HT_SCAN CLR1 CLR2 R194 N.M. SPI_DOUT (2-5A) (2-5A) +3.3V C164 N.M.
  • Page 87 UX-B800A 2. Main Control Block (1b/10) Main Control Block (2/2) 1/10 +3.3V R154 BR131 TP101 100k N.M.x4 (4-4E, 10-3A) +3.3V VCORE +3.3V +3.3V +3.3V R147 R189 R188 100k 100k N.M. +3.3V BR114 270x4 (10-4A) R155 TP113 TP114 RHS- TP102 (10-3A)
  • Page 88 UX-B800A 3. Memory Block (2/10) 6 – 3...
  • Page 89 UX-B800A 4. Modem Block (3/10) 6 – 4...
  • Page 90 UX-B800A 5. Analog Signal Block 1 (4/10) 6 – 5...
  • Page 91 UX-B800A 6. Analog Signal Block 2 (5/10) 6 – 6...
  • Page 92 UX-B800A 7. Motor Control Block (6/10) 6 – 7...
  • Page 93 UX-B800A 8. LAN Control Block (7/10) 6 – 8...
  • Page 94 UX-B800A 9. Scanner I/F Block (8/10) 6 – 9...
  • Page 95 UX-B800A 10. Sensor/Power Supply Block (9/10) 6 – 10...
  • Page 96 UX-B800A 11. Connector Block (10/10) 6 – 11...
  • Page 97 UX-B800A 12. Control PWB parts layout (Top side) The CONTROL PWB of the model employs lead-free solder. 6 – 12...
  • Page 98 UX-B800A 13. Control PWB parts layout (Bottom side) The CONTROL PWB of the model employs lead-free solder. 6 – 13...

  • Page 99: Liu Pwb Circuit

    UX-B800A [2] LIU PWB circuit 1. LIU PWB Circuit (1/3) 6 – 14...
  • Page 100 UX-B800A 2. LIU PWB Circuit (2/3) 6 – 15...
  • Page 101 UX-B800A 3. LIU PWB Circuit (3/3) 6 – 16...
  • Page 102 UX-B800A 4. LIU PWB parts layout (Top side) The TEL/LIU PWB of the model employs lead-free solder. 6 – 17...
  • Page 103 UX-B800A 5. LIU PWB parts layout (Bottom side) The TEL/LIU PWB of the model employs lead-free solder. 6 – 18...

  • Page 104: Power Supply Pwb Circuit

    UX-B800A [3] Power Supply PWB circuit 1. Power Supply PWB circuit 6 – 19...
  • Page 105 UX-B800A 2. Power Supply PWB parts layout (Top side) The POWER PWB of the model employs lead-free solder. 3. Power Supply PWB parts layout (Bottom side) The POWER PWB of the model employs lead-free solder. 6 – 20...

  • Page 106: Operation Panel Pwb Circuit

    UX-B800A [4] Operation Panel PWB circuit 1. Operation Panel PWB circuit (1/2) 6 – 21...
  • Page 107 UX-B800A 2. Operation Panel PWB circuit (2/2) 6 – 22...
  • Page 108 UX-B800A 3. Operation Panel PWB parts layout (Top side) The OPERATION PANEL PWB of the model employs lead-free solder. Note: Since the parts of PWB cannot be supplied, change it as a unit. 6 – 23...
  • Page 109 UX-B800A 4. Operation Panel PWB parts layout (Bottom side) The OPERATION PANEL PWB of the model employs lead-free solder. Note: Since the parts of PWB cannot be supplied, change it as a unit. 6 – 24...

  • Page 110: Chapter 7. Other Protocol

    UX-B800A CHAPTER 7. UX-B800A OTHER Service Manual [1] Protocol Receive side Transmitter side G3 communication (Document inserted into document sensor during standby) To recording position Document inserted to the reading position (DCS) (DCS) 1st page Next page insert command Cut line printed...

  • Page 111: Power On Sequence

    UX-B800A [2] Power on sequence START CPU initialized MODEM initialized "WAIT A MOMENT" display STOP key ? "MEMORY CLEAR ?" display 3 sec ? STAND-BY START key ? COPY key ? STOP key ? "MEMORY CLEARED" display "MEMORY CLEARED" display...

  • Page 112: Service Tools

    UX-B800A [3] Service tools 1. List PRICE PARTS CODE DESCRIPTION REF NO. RANK DUNT-355DSC01 EXTENSION CONTROL PWB UNIT AND EXTENSION CABLE 1.1. Extension board unit DECT PRINTER 1 FCC CABLE(14PIN) TX MOTOR SPEAKER CABLE(9PIN) CABLE(4PIN) CABLE(2PIN) Panel LIU CABLE(15PIN) PRINTER 2...
  • Page 113 UX-B800A PRICE PARTS CODE DESCRIPTION REF NO. RANK QCNCM705DAF04 CONNECTOR(4PIN) CNSCANMT QCNCM705BAF04 CONNECTOR (2PIN) CNSP QCNCM705CAF04 CONNECTOR (3PIN) CNPIN VHPGP1S094HCZ PHOTO TRANSISTOR PH900 RESISTOR (1/10W 220Ω ± 5%) VRS-TV2AB221J R905 2. Relay board unit 1. Remove the Control PWB from this unit, and mount the board unit instead.
  • Page 114 UX-B800A 3. Shading paper • The white and black basis is applied to remember the shading waveform. Be sure to perform this operation when replacing the battery or replacing the control PWB. Execute in the shading mode of DIAG mode.

  • Page 115: Rewriting Version Up The Flash Rom

    UX-B800A [4] Rewriting version up the FLASH ROM 1. Preparations Before updating the firmware, please make sure that you can browse the embedded Web Page by input the device IP address into the URL box of the browser. The example of connection is below:...
  • Page 116 UX-B800A 3. Click Firmware Update in the menu pane. Then the below page will be shown. If it says that the machine is not ready, please retry from step 1. 4. Click Browse button, choice the new firmware file and click Open button. Then the below page will b shown.
  • Page 117 UX-B800A 6. A few minutes later, the device will restart automatically. 7. After the machine restarts, the below page will be shown. 7 – 8...
  • Page 118 UX-B800A - MEMO - 7 – 9...

  • Page 119: Parts Guide

    UX-B800A PartsGuide PARTS GUIDE No. 00ZUXB800ASME FACSIMILE UX-B800A MODEL MODEL SELECTION CODE DESTINATION UX-B800 Australia CONTENTS Cabinet,etc. Control PWB unit Operation panel unit/Document LIU PWB unit guide upper Power supply PWB unit Paper hopper unit Operation panel PWB unit Packing material & Accessories INDEX Parts marked with "...

  • Page 120: Cabinet,Etc

    UX-B800A [1] Cabinet,etc. B1 B1...
  • Page 121 UX-B800A PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [1] Cabinet,etc. Top cover GCOVA2540XHSA Hook switch lever MLEVP2428XHZZ Hook switch lever spring MSPRC3634XHZZ Panel lock lever spring MSPRP3119XHZZ Back bearing LBSHP2169XHZZ Back gear,19Z NGERH2641XHZZ Back roller NROLR2549XHZZ TX driver frame unit...
  • Page 122 UX-B800A PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [1] Cabinet,etc. Washer XWHS740-08100...

  • Page 123: Operation Panel Unit/Document Guide Upper

    UX-B800A [2] Operation panel unit/Document guide upper...
  • Page 124 UX-B800A PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [2] Operation panel unit/Document guide upper Panel case GCASP2197XHSA Sub panel case GCASP2198XHSA 12 key JBTN-2537XHSA Start key JBTN-2538XHSA Copy/Stop key JBTN-2539XHSA Cursol key JBTN-2541XHSA E-mail key JBTN-2542XHSC Qwerty key JBTN-2544XHSA...

  • Page 125: Paper Hopper Unit

    UX-B800A [3] Paper hopper unit PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] Paper hopper unit Rotation plate LPLTM2924XHFW RP release plate LPLTP3263XHSJ Coil spring MSPRC3407XHZZ RP release spring MSPRT2932XHFJ RP release gear,left NGERH2365AXZZ RP release gear,right NGERH2366AXZZ Paper hopper...

  • Page 126: Packing Material & Accessories

    UX-B800A [4] Packing material & Accessories PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [4] Packing material & Accessories Operation manual TINSE4562XHTZ Setup guide TCADH3939XHZZ Rapid key labels TLABH415KXHSA Document exit tray/paper tray ass'y CPLTP3434XH01 Received document tray LPLTP3442XHSA Pad A...

  • Page 127: Control Pwb Unit

    UX-B800A PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [5] Control PWB unit Battery(CR2032T23) [BAT1] UBATL2232XHZZ Block resistor(100Ω 4) [BR100] VRS-CG1JF101J Block resistor(100Ω 4) [BR101] VRS-CG1JF101J Block resistor(100Ω 4) [BR102] VRS-CG1JF101J Block resistor(100Ω 4) [BR103] VRS-CG1JF101J VRS-CG1JF101J Block resistor(100Ω 4) [BR104] Block resistor(100Ω...
  • Page 128 UX-B800A PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [5] Control PWB unit Capacitor(25WV 220PF) [C307] VCCCCZ1EH221J Capacitor(10WV 0.1µ F) [C308] VCKYCZ1AB104K Capacitor(10WV 0.1µ F) [C309] VCKYCZ1AB104K Capacitor(16WV 0.1µ F) [C310] VCKYCZ1CF104Z Capacitor(16WV 0.1µ F) [C311] VCKYCZ1CF104Z VCKYCZ1EB102K Capacitor(25WV 1000PF) [C312] Capacitor(16WV 0.1µ...
  • Page 129 UX-B800A PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [5] Control PWB unit Capacitor(16WV 0.1µ F) [C712] VCKYCZ1CF104Z Capacitor(16WV 0.1µ F) [C713] VCKYCZ1CF104Z Capacitor(16WV 0.1µ F) [C714] VCKYCZ1CF104Z Capacitor(2KWV 1000PF) [C715] RC-KZ3122SCZZ Capacitor(16WV 0.01µ F) [C716] VCKYCZ1CB103K VCCCCZ1EH180J Capacitor(25WV 18PF)
  • Page 130 UX-B800A PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [5] Control PWB unit Resistor(1/16W 0Ω ± 5%) [L601] VRS-CY1JB000J Resistor(1/16W 0Ω ± 5%) [L801] VRS-CZ1JB000J Resistor(1/16W 0Ω ± 5%) [L901] VRS-CY1JB000J Resistor(1/10W 0Ω ± 5%) [LA01] VRS-TV2AB000J Resistor(1/10W 0Ω ± 5%)
  • Page 131 UX-B800A PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [5] Control PWB unit Resistor(1/16W 30KΩ ± 5%) [R516] VRS-CZ1JB303J Resistor(1/16W 0Ω ± 5%) [R519] VRS-CZ1JB000J Resistor(1/16W 0Ω ± 5%) [R521] VRS-CZ1JB000J Resistor(1/16W 0Ω ± 5%) [R522] VRS-CZ1JB000J Resistor(1/16W 0Ω ± 5%)

  • Page 132: Liu Pwb Unit

    UX-B800A PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [5] Control PWB unit Resistor(1/16W 10KΩ ± 5%) [RA08] VRS-CZ1JB103J Resistor(1/16W 0Ω ± 5%) [RA12] VRS-CZ1JB000J Resistor(1/16W 270Ω ± 5%) [RA15] VRS-CZ1JB271J Resistor(1/16W 100KΩ ± 5%) [RA16] VRS-CZ1JB104J Resistor(1/16W 100KΩ ± 5%)

  • Page 133: Power Supply Pwb Unit

    UX-B800A PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [6] LIU PWB unit Transistor(RN2402) [Q103] VSRN2402F++-1 Resistor(1/4W 15Ω ± 5%) [R1] VRD-HT2EY150J Resistor(1/4W 10KΩ ± 5%) [R2] VRD-HT2EY103J Resistor(1/4W 15Ω ± 5%) [R3] VRD-HT2EY150J Resistor(1/4W 220Ω ± 5%) [R4] VRD-HT2EY221J Resistor(1/4W 43KΩ...

  • Page 134: Operation Panel Pwb Unit

    UX-B800A PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [7] Power supply PWB unit Fuse(T2.5A/250V) [F1] 0KYK7135AS003 Fuse(T2.5A/250V) [F2] 0KYK7135AS003 Heat sink [HS1] 0KY0MPS902200 IC(NJM1431AL2) [IC101] 0KYH2211AR001 Coil(SS11VL-03550) [L1] 0KYL1173JL553 0KYW0000AQ005 Jumper wire(5mm) [NTC1] Jumper wire(12.5mm) [P101] 0KYW0000AQ012 Optical isolater(PS2581)
  • Page 135 UX-B800A INDEX PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK MSPRC3630XHZZ 2-14 [ C ] MSPRC3634XHZZ CCNWN495CXH01 1-28 MSPRD3398XHZZ 2-25 CFRM-2277XH01 1-45 MSPRD3399XHZZ 2-26 CFRM-2278XH01 MSPRD3495XHZZ 2-29 CPAKC439HXH01 4-11 MSPRD3632XHZZ 2-30 CPLTP3434XH01 MSPRD3633XHZZ 2-31...
  • Page 136 UX-B800A PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK " 2-36 " 5-107 QFS-L2016XHZZ 5-233 " 5-108 QJAKT2089XHZZ 5-220 " 5-109 QJAKZ2079XH0D 6-42 " 5-110 QJAKZ2087XH0B 6-45 " 5-115 QJAKZ2087XH0D 6-44 " 5-119 QPLGZ9065AFZZ 4-28 "...
  • Page 137 UX-B800A PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK " 5-117 " 5-102 " 5-118 " 5-131 " 5-159 " 5-190 VCKYCZ1CB103K 5-156 VHD1N4148//-1 6-46 " 5-157 " 6-47 " 5-158 VHD1SS352F+-1 5-228 "...
  • Page 138 UX-B800A PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK " 5-34 " 5-297 " 5-35 " 5-306 VRS-CG1JF271J 5-10 " 5-307 " 5-11 " 5-308 " 5-15 " 5-314 " 5-16 " 5-317 "...
  • Page 139 UX-B800A PRICE PART PRICE PART PARTS CODE PARTS CODE RANK MARK RANK RANK MARK RANK VRS-CZ1JB152J 5-348 VVLLMG2025TPR 2-13 " 5-354 [ X ] VRS-CZ1JB164J 5-329 XEBS726P08000 2-B1 VRS-CZ1JB183J 5-328 XEBS726P10000 2-B3 VRS-CZ1JB202J 5-112 XEBS730P08000 1-B2 " 5-321 XEBS730P10000 1-B1...
  • Page 140 EndPage UX-B800A COPYRIGHT © 2007 BY SHARP CORPORATION ALL RIGHTS RESERVED. No Part of this publication may be reproduced, stored in a retrieval system, or transmitted in any from or by any means, electronic, mechanical, photocopying , recording, or otherwise, without prior written permission of the publisher.

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