Sharp AL-841, Service Manual

Page 1: ...SPECIFICATIONS 1 5 EXTERNAL VIEW AND INTERNAL STRUCTURE 2 6 MACHINE OPERATION 4 7 ADJUSTMENTS SETTING 4 8 SIMULATION Test Command USER PROGRAM 5 9 ACTUAL WIRING CHART 8 10 CIRCUIT DIAGRAM AND PARTS LOCATION CHART 10 PARTS GUIDE This Service Manual describes only the different points from the AL 840 For servicing of the AL 841 therefore use this Service Manual together with that of the AL 840 CONTE...

Page 2: ...TO BEAM Caution VARO AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NÄKYMÄTÖNTÄ LASERSÄTEILYLLE ÄLÄ KATSO SÄTEESEEN USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES OG SIKKERHEDSLÅS BRYTES UNNGÅ EKSPONERING FOR STRÅLEN Caution This product contains a low power laser device To ensure continued safety do not remove any cover or attempt to gain access to the inside of the product Refer all servicing to ...

Page 3: ...S DOS 3 3 Printer only 2 Interface Type Host computer Operating system Protocol IEEE1284P 1 IBM PC AT or 100 compatible MS DOS 3 3 MS Windows 3 1X or later MS Windows 95 98 MS Windows NT 4 0 Peppy Nibble ECP 2 SPECIFICATIONS D Scanner mode 1 System requirements a Operating conditions Host computer Operating system Software Driver Plug and play Network IBM PC AT or compatible Supported ECP mode Win...

Page 4: ...n is detected 5 Lens Transfers the document image to CCD 6 CCD SENSOR CCD OUT CCD Image sensor CCD Scans the document images photo signals and converts them into electrical signals Digital signal 8Bit 7 Scanner lamp Radiates light to the document to allow the CCD to scan the document images 8 SL SENSOR PDA PDK Scanner lamp light quantity sensor Photo diode Detects the scanner lamp light quantity T...

Page 5: ...ss section and the engine section 5 High voltage power PWB Outputs the high voltage for the image process section Controls the main motor 6 Operation control PWB Displays the value information Outputs the key operation signal 11 Adjustment volume No Parts Note Code Name Function operation 1 VR1 Scanner lamp light quantity adjustment volume Adjusts the scanner lamp light quantity 2 VR601 Output vol...

Page 6: ... 4 0 V Program used Test command Simulation MODE Normal MAIN CODE 63 SUB CODE 1 Enforcement time Enforcement time JOB No Content S 004 Ua 001 P 002 When replacing the scanner copy lamp control PWB When replacing the copy lamp In case of E7 05 trouble In case of E7 04 trouble In case of E7 12 trouble In case of E7 15 trouble Cycle Condition Normal copy exposure is not obtained Necessary condition 1...

Page 7: ...ning Counter Scanner 24 1 Used to clear the mis feed jam counter in the machine Data clear Counter 8 Used to clear the copy counter Data clear Counter Copier 9 Used to clear the print counter Data clear Counter Printer 26 2 Used to set Enable Disable of the SPF and the FAX functions When a trouble occurs in the SPF and the FAX section disable those functions to allow only copying and scanning func...

Page 8: ... the SPF and the FAX section disable those functions to allow only copying and scanning functions Section ADF RADF UDH SPF Item Specifications Operation Procedure When this simulation is executed the code of current setup of ENABLE DISABLE of SPF FAX function is displayed Enter the desired code number corresponding to Enable Disable setup and press the Start button and the setup will be effective ...

Page 9: ...AL 841 ...

Page 10: ...D PGND 14 2 L OUT P GND 15 15 P GND MCON 15 3 N IN P GND 16 16 P GND HLON 16 4 N OUT 24V DSW 17 17 24V DSW TC BIA S 17 24V DSW 18 18 24V DSW PUS 18 24V DSW 19 19 24V DSW PR 19 PWNSIN 20 24V NC 24VS 1 2 3 POWER SW HEATER DC BIASS FU EARTH MC DRUM EARTH TC CN805 CN804 CN802 CN803 CN601 CN801 CN603 CN602 CB Power supply PWB Developing cartridge Photoconductor cartridge Developing roller Earth sheet M...

Page 11: ...FMOUT 1 1 VFMOUT 20 PWNSIN NC 2 2 NC NC 3 3 NC P GND 4 4 P GND NC 5 5 NC 24V 1 1 24V P GND 2 2 P GND ON OFF 3 3 ON OFF NC 4 4 NC AN GND RTHIN 5V TS IN D GND P GND P GND GND MHPS IN 5V 5V POUT IN GD 5V 5V PARAAD0 PARAAD1 PARAAD2 PARAAD3 PARAAD4 PARAAD5 PARAAD6 PARAAD7 REV INIT SLCTIN AUTOFD STB ACK BUSY PE FAULT SLCT GND GND GND USB EN USB ON 1284 EN 3 3V 1 2 1 2 3 4 5 1 2 3 1 2 3 1 2 3 4 5 6 7 8 9...

Page 12: ... 1G 1 2G 19 1Y1 18 1Y2 16 1Y3 14 1Y4 12 2Y1 9 2Y2 7 2Y3 5 2Y4 3 C234 33p C242 0 1u C223 0 1u R243 22J C238 100p R240 22J D207 DAP202K 3 2 1 R242 22J C240 100p C239 100p R241 22J C237 100p D208 DAP202K 3 2 1 C241 100p R244 22J D209 DAP202K 3 2 1 IC207 74LS244 1A1 2 1A2 4 1A3 6 1A4 8 2A1 11 2A2 13 2A3 15 2A4 17 1G 1 2G 19 1Y1 18 1Y2 16 1Y3 14 1Y4 12 2Y1 9 2Y2 7 2Y3 5 2Y4 3 IC205 74LS245 A1 2 A2 3 A3...

Page 13: ...CE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 5V 5V PARAAD0 PARAAD1 PARAAD2 PARAAD3 PARAAD4 PARAAD5 PARAAD6 PARAAD7 REV INIT SLCTIN AUTOFD STB ACK BUSY PE FAULT SLCT GND GND GND USB EN USB ON 1284 EN 3 3V CN203 AL 841 10 ...

Page 14: ...AL 841 ...

Page 15: ...2 Fusing Unit Scanner Unit 1 Carriage 1 Unit Packing Material Accessories MCU MCU PWB Unit Operation Panel PWB Unit GDI GDI PWB Unit Power Supply PWB Unit High Voltage PWB Unit Index AL 841 AL 800 840 AL 800 840 The AL 841 Parts Guide describes only the different parts from the AL 800 840 Please use this Parts Guide together that of the AL 800 840 ...

Page 16: ...r than this Parts Guide please refer to documents Service Manual including Circuit Diagram of this model Please use the 13 digit code described in the right hand corner of front cover of the document when you place an order For U S only Use order codes provided in advertising literature Do not order from parts department 1 Exteriors NO PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION Ex Ja 1 A...

Page 17: ...k lever 39 BB FX C Lower frame 47 AB DJ C Release lever spring R 52 AD DJ C Electricity plate Japan Only 6 2 Lower Frame 2 NO PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION Ex Ja 1 CA TV N E MCU PWB unit Japan MCU CA TV N E MCU PWB unit USA MCU 7 BK HG E High voltage PWB unit Japan BL HL N E High voltage PWB unit USA 9 AP EQ C Bottom plate 13 AG DX N C ICU FFC ICU FFC 14 BL HL N E GDI PWB un...

Page 18: ...Material Accessories NO PARTS CODE PRICE RANK NEW MARK PART RANK DESCRIPTION Ex Ja 4 AM EG N D Packing add upper 5 AE DJ N D Body vinyl 6 AM EG N D Packing add lower 7 AS EZ N D Packing case Japan AS EZ N D Packing case USA 12 AM EG N C CDROM Japan CDROM AM EG N C CDROM USA CDROM 104 AW FG N D Operation manual USA AW ZZ N D Operation manual Japan AE DJ N D eTypist Operation manual Japan eTypist AE...

Page 19: ...C C A B A B 1 15 7 9 13 14 4 14 30 PRPN0031 2 1 5 8 9 10 11 26 17 15 39 47 47 52 2 Operation Panel 3 Frame Section 4 Upper Frame Section 5 1 Lower Frame Section 1 6 2 Lower Freme 2 7 Fusing Unit 4 ...

Page 20: ...8 Scanner Unit 9 1 Carriage 1 Unit 51 1 5 8 13 26 27 28 29 33 42 8 8 8 8 8 54 9 9 2 PRPN0032 18 15 17 1 20 16 19 8 4 14 11 6 18 4 5 6 7 12 11 Packing Material Accessories 5 ...

Page 21: ... C Capacitor 25WV 0 10µF C30 33 36 39 41 42 104 109 122 123 135 142 AA DD C Capacitor 25WV 0 10µF C151 153 204 209 210 212 215 216 222 224 226 AA DD C Capacitor 25WV 0 10µF C227 230 233 235 238 242 246 254 262 263 271 272 32 AA DD C Capacitor 50WV 1000pF C11 12 16 18 26 35 103 105 108 110 111 AA DD C Capacitor 50WV 1000pF C113 115 117 119 124 130 133 144 152 154 158 159 162 AA DD C Capacitor 50WV ...

Page 22: ...or 1 16W 7 5KΩ 5 R202 84 AA DD C Resistor 1 16W 910Ω 5 R133 85 AA DD C Resistor 1 16W 9 1KΩ 5 R114 86 AB DD C Resistor 2W 1 0Ω 5 R1 2 87 AA DD C Resistor 1 8W 180Ω 5 R126 88 AA DD C Resistor 1 8W 4 3KΩ 5 R125 89 AA DD C Resistor 1 8W 4 7KΩ 5 R192 90 AA DD C Resistor 1 16W 10KΩ 1 R208 216 91 AA DD C Resistor 1 16W 16 5KΩ 1 R206 92 AB DD B Transistor 2SA1036KQRC Q101 Unit 901 CA TV N E MCU PWB unit ...

Page 23: ...74LS245NS1 IC205 IC 14 AA DD C Resistor 1 2W 100Ω 5 R201 15 AA DD C Resistor 1 10W 1 0KΩ 5 R227 230 16 AA DD C Resistor 1 10W 10KΩ 5 R247 250 17 AA DD C Resistor 1 10W 1 2KΩ 5 R213 215 218 220 222 224 226 229 231 234 235 238 18 AA DD C Resistor 1 10W 22Ω 5 R214 216 217 219 221 223 225 228 232 236 237 240 244 19 AA DD C Resistor 1 10W 3 3KΩ 5 R239 Unit 901 BL HL N E GDI PWB unit GDI 15 Power Supply...

Page 24: ...X N C 9 8 AF DS C 4 14 AB DJ C 5 47 AB DJ C 8 33 AC DJ C 7 26 AV FG C 8 1 AK DX C PARTS CODE JAPAN ONLY ORDER CODE NO PRICE R NEW P R Ex Ja 9 1 AC DJ N C 9 15 AC DJ N C 1 3 AF DS N C 8 54 AX FG B 8 8 AA DJ C 9 17 AD DJ N C 1 24 AS EZ C 2 11 AF DS C 11 110 AG DX D 8 51 AF DS N C 12 1 AD DJ C 12 2 AA DD C 12 3 AB DJ C 12 4 AB DD C 12 5 AE DJ C 12 6 AD DJ C 14 1 AH DX C 12 7 AB DJ C 12 8 AC DJ C 13 1...

Page 25: ... AN EG B 13 8 AP EQ B 13 9 AC DJ B 13 10 AC DJ B 12 62 AF DS B 14 14 AA DD C 12 63 AA DD C 12 64 AA DD C 12 65 AA DD C 12 66 AA DD C 12 67 AA DD C 12 68 AA DD C 12 69 AA DD C 12 70 AA DD C 12 71 AA DD C 12 72 AA DD C 12 73 AA DD C 12 74 AA DD C 12 75 AA DD C 12 76 AA DD C 12 77 AA DD C 12 78 AA DD C 12 79 AA DD C 12 80 AA DD C 12 81 AA DD C 12 82 AA DD C 12 83 AA DD C 12 84 AA DD C 12 85 AA DD C 1...

Page 26: ...AL 841 ...

Page 27: ...isesti asennettu Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin Hävitä käytetty paristo valmistajan ohjeiden mukaisesti French ATTENTION Il y a danger d explosion s il y a remplacement incorrect de la batterie Remplacer uniquement avec une batterie du même type ou d un type équivalent recommandé par le constructeur Mettre au rebut les batteries usagées conformément aux instruct...

Page 28: ... 1186 Japan 2000 March Printed in Japan All rights reserved Printed in Japan No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher AL 841 ...