Sharp FO-3800M Servise Manual Download Page 81

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Fusing temperature adjustment after 20 sheets of continuous printing

Test command (Simulation)

MODE

Normal

MAIN CODE

SUB CODE

∗

Execution time

Enforcement
time

JOB No

Content

S 009/Ua 002

When replacing MCU PWB

In case of U2 trouble

Cycle

—

Condition

—

∗

Job content

(Fusing temperature adjustment within 20 sheets of continuous print-
ing)

1) Enter SIM 43-1 mode.

(The currently set code of the fusing temperature adjustment
within 20 sheets of continuous printing is displayed.)

2) Set the adjustment value to 0 (160°C) and press the start button.

(Fusing temperature adjustment after 20 sheets of
continuous printing)

1) Enter SIM 43-4 mode.

(The currently set code of the fusing temperature adjustment after
20 sheets of continuous printing is displayed.)

2) Set the adjustment value to 1 (155°C) and press the start button.

∗

Trouble caused by improper work

1) Fusing abnormality

2) Fusing section parts damage

3) Paper jam

∗

Note

Be sure to set to the standard value. If not a trouble may occur.

ADJ M8

Power voltage adjustment

∗

Location

∗

Adjustment value

Range (MIN)

23.5V

Range (MAX)

24.5V

Standard value

24V

∗

Execution time

Enforcement
time

JOB No

Content

S 009/Ua 001

When replacing a power in the
PWB unit.

∗

Necessary condition

1) Adjust with the AC power voltage in the specified range (90

∼

110% of the standard power voltage).

∗

Job content

1) Manually turn on the cabinet switch.

2) Turn on the power.

3) Put a digital multi-meter between the check point (24V) on the

power PWB and GND.

4) Turn the adjustment volume (VR601) on the power PWB and

adjust the 24V output to 24

0.5V.

∗

Trouble caused by improper job

1) Circuit malfunction

2) Circuit parts damage

∗

Necessary tool

Name

Digital multi-meter

Parts code/Price rank

—

ADJ M9

Copy lamp light quantity adjustment

∗

Location value

Range (MIN)

3.9 V

Range (MAX)

4.1 V

Standard value

4.0 V

Default

4.0 V

∗

Program used

Test command (Simulation)

MODE

Normal

MAIN CODE

SUB CODE

∗

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.

ADJ M8(VR601)

CPWBF7045XC35

F9225PA
B075

FO-3800M

7 – 19

Summary of Contents for FO-3800M

Page 1: ...tents are subject to change without notice 1 SYSTEM CONFIGURATION 1 1 2 SPECIFICATIONS 2 1 3 CONSUMABLE PARTS 3 1 4 SET UP 4 1 5 EXTERNAL VIEW AND INTERNAL STRUCTURE 5 1 6 MACHINE OPERATION 6 1 7 ADJUSTMENTS SETTING 7 1 8 SIMULATION Test Command USER PROGRAM 8 1 9 DISASSEMBLY ASSEMBLY MAINTENANCE 9 1 10 TROUBLESHOOTING 10 1 CONTENTS FO 3800M ...

Page 2: ...O 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 q...

Page 3: ...lay 6 1 3 Relationship between the power save mode and the display and machine operations 6 3 4 Consumable parts life and operation 6 3 5 Selection between the ON LINE mode and the OFF LINE mode 6 2 6 Paper width detection and machine operation 6 3 7 Auto copy function 6 3 8 AE level adjustment procedure 6 3 9 Toner save mode setup and cancel 6 3 10 Operation mode and priority 6 4 11 Multi access ...

Page 4: ...9ND C Accessories Accessories list Model FO 3800M Tray Universal Included Drum cartridge Installed TD cartridge 1 5K Included Original cover Included AC power cord Included UL CSA PLG Printer cable IEEE1284 Included USB N A Phone cable Included Driver soft CD ROM Operation manual Copier Included SEC Printer Included SEC FAX Included Warranty card Registration card Included SEC in manual MSDS sheet...

Page 5: ...peration panel Paper in sensor Paper exit sensor Cover SW Home position sensor Main motor Power supply unit High voltage unit SRAM 32k 8 2 CCD PWB CCD Amplifier Image process ASIC Temperature fuse LSU unit Laser Polygon motor Laser beam sensor Scanner motor Lamp Inverter Motor driver OPC drum cartridge Main charger roller Drum Separation electrode Transfer roller Heat roller Thermistor Heater lamp...

Page 6: ... Automatic Available Manual 5 steps Available Photo 5 steps Non 3 Copy ratio Copy ratio Zoom ratio range fixed ratio Zoom mode 50 to 200 151 steps in 1 increments Fixed ratio mode AB system 50 70 86 100 141 200 Fixed ratio mode Inch system 50 64 78 100 129 200 Zooming accuracy Same size copying 100 1 0 Enlargement copying Set copy ratio 1 0 Reduction copying Set copy ratio 1 0 4 Job speed a First ...

Page 7: ...size Minimum Maximum AB system A6 105 148 5 mm A4 210 297 mm Inch system 3 7 8 5 7 8 8 1 2 14 SPF mode 8 1 2 11 Platen mode C Printer mode 1 System requirements a Operating conditions Host computer Operating system Emulation Driver Plug and play Network 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 Sleek type GDI GDI printer driver Supported Not...

Page 8: ...5 1748 3496 2480 4960 1648 3296 2380 4760 50 100 50 100 50 100 50 100 COM 10 1236 2473 2850 5700 1136 2280 2750 5500 50 100 50 93 50 100 50 100 MONARCH 1161 2323 2250 4500 1064 2128 2150 4300 50 100 47 95 50 100 50 100 C5 1912 3825 2703 5407 1816 3632 2603 5207 50 100 46 93 50 100 50 100 DL 1299 2598 2598 5196 1200 2400 2498 4996 50 100 49 98 50 100 50 100 B5 2149 4299 3035 6070 2056 4104 2935 587...

Page 9: ...O 3900 7800 2550 5100 3800 7600 2456 4904 50 100 50 100 50 100 44 96 Government Printed Postcard 1748 3496 1181 2362 1648 3296 1088 2168 50 100 50 100 50 100 43 94 Japanese Envelope Choukei 3 2775 5551 1417 2834 2675 5351 1320 2640 50 100 50 100 50 100 47 94 A Physical page width B Physical page height C Logical page width D Width difference between Physical page and HP GL 2 picture frame E Height...

Page 10: ...em Spec Communi cation system Transmission method Transmission time Approx 6 sec G3 ECM 14 400bps Transmission Method V17 V29 V27TER V33 Only Receiving Compression method MH MR MMR Modem speed 14 400bps 2 400bps automatic fall back Mutual transmission G3 Line used Public Switched Telephone Network PSTN Private Branch exchange PBX Number of lines used 1 line cannot be added ECM YES Scanning system ...

Page 11: ...ng 20 other parties Easy dialing function Speed dialing 100 other parties Group dialing 20 groups including the other parties registered to rapid key dialing Phonebook transmission By using the SEARCH key Any other parties registered to speed dialing and rapid key dialing can be searched for using the first letter Chain dialing YES Redialing The last number dialed is saved Program NO Mode recall N...

Page 12: ... confirmation monitoring YES Service Man diagnostic Broadcast function Broadcast transmission Number of destinations 50 destinations Including the Group Dial Transmission method Broadcast key group key Usable numbers Rapid or Speed keys Group dialing Transmitted to group registered to rapid keys or speed dial Relay transmission Instructing Station NO Relay station NO Relay transmission Multiple re...

Page 13: ...mes factory set to twice can be changed in key operator program The external telephone rings once if set the number of calls for automatic receiving to 0 times Automatic phone fax switching NO Manual receiving Manual receiving setting YES Receiving mode Manual receiving Number of Switching calls to automatic Receiving in manual receiving mode OFF 1 to 9 times Telephone message receiver connection ...

Page 14: ...ransmission request Transmission Request YES Resolution at transmission Request Depends on the Sending Machine Turnaround transmission NO Registration system Number registration Speed dialing Number of other parties 100 other parties Number of other party s Number digits 20 digits Speed dialing Registered name 20 letters may be omitted earched letters Up to 1 letter User tag Classification NO Inte...

Page 15: ...est remote transmission enable number registration Transmission request enable number Transmission Request source Number Registration NO Transmission request remote transmission enable number registration System number System number Registration NO ID number ID number Registration NO Letter input Input method Key input YES Letters that may be input Characters Alphanumeric characters symbols Regist...

Page 16: ...sion message YES Transmission message Regular message NO MESSAGE URGENT IMPORTANT CONFIDENTIAL PLS DISTRIBUTE PLS CALL BACK User message NO Sender printing function Sender s number 20 digits Sender s name 24 letters Additional printing function for receiving Index printing YES Record table system Communication record function Communication record table size A4 AB System LETTER Legal Inch System no...

Page 17: ...ID sender list NO Batch transmission confirmation list NO Confidential ID list NO Option setting list YES Telephone list YES Timer list YES Anti junk fax number list YES Receptions activity List YES Memory image erasure list NO Others Other party confirmation function Other party confirmation display NO CSI function CSI YES Department management Department by department user restriction NO Number ...

Page 18: ...vailable for Letter size or smaller Recycled paper Transparency film Label sheet Envelope 2 Details of finishing Paper receiving tray Paper size Paper weight Capacity A4 8 1 2 11 52 80g m2 15 21 lbs 50 sheets 81 90g m2 22 24 lbs 40 sheets Under standard condition C Scanner reading section 1 Type Flat bed and SPF type Monochrome 2 Original positioning Top left 3 Resolution Main scanning direction S...

Page 19: ... unit power supply Voltage Power consumption Fluorescent lamp 100 120 230 V 100 120 230 V 500 W 3 Fusing temperature Ready mode Print mode Power save mode Print mode after 20th sheet in the multi print mode 160 C 80 C 155 C 4 Heat roller Type Teflon coated roller 5 Pressure roller Type Silicone rubber roller 6 Separation method Forced separation by separation pawl G Power drive Stepping motor Main...

Page 20: ...ter only Environmental standard 2 Ozon level Very low unmeasurable level 3 Noise level Noise mode Individual Operating mode Ready mode Power shut down mode Sound power level 66 40 0 dB Sound pressure level 54 8 dB 0 dB O Ambient conditions 1 Occupied area Main unit 460 650 mm 18 2 29 53 in 2 Operating conditions 3 Storage conditions packed in the packing material 4 Transport condition packed in th...

Page 21: ... Life Model name Q ty 1 Photoconductor cartridge FO 29DR Photoconductor cartridge 1 20K 10 2 Developer cartridge FO 29ND Developer cartridge 1 3K 10 3 Details 1 Photoconductor drum Item Specifications Descriptions Part name Photoconductor cartridge Model name Single unit FO 29DR Quantity 1 Model name Compound form Quantity 10 Photo Picture Type Kind OPC Form Cartridge 2 Developer cartridge 1 Photo...

Page 22: ...idge Item Specifications Descriptions Part name Developer cartridge Model name Single unit FO 29ND Quantity 1 Model name Compound form Quantity 10 Photo Picture Type Kind Mono component toner Form Cartridge Life Print quantity 3K A4 5 cover ratio Effective use period 24 months from the production month when sealed or 12 months when unsealed Shorter one max 24 months Others Weight Capacity Quantity...

Page 23: ...rl Paper with metal tabs or clips Paper with holes windows or perforations Paper which has been pre printed using a laser printer or photocopier Note Before printing try one of the pieces of paper to be used and confirm that it can be printed successfully Values at 20 1 C 65 2 RH 2 Envelope Size Dimensions Weight International DL 110 220 mm 60 g m2 16 lbs to 90 g m2 24 lbs International C5 162 229...

Page 24: ...5 Standard density sample The ratio of the image area for the total area of paper is 5 The life of every consumable part is based on this ratio Standard density sample FO 3800M 3 4 ...

Page 25: ...ange Temperature 15 C hour Relative humidity 15 RH hour without dew Temperature min Humidity min Temperature mid Humidity mid Temperature max Humidity max Period 10 C 10 40 C 90 Temperature min Humidity min Temperature mid Humidity mid Temperature max Humidity max Period 0 C 10 30 C 60 35 C 90 RH 90 10 10 C 40 C 40 C 90 Humidity Temperature RH 90 10 20 C 40 C 40 C 90 Humidity Temperature RH 90 10 ...

Page 26: ...ure to allow the required space around the machine for servicing and proper ventilation CAUTIONS ON HANDLING Be careful in handling the copier as follows to maintain the perfor mance of this copier Do not expose the drum cartridge to direct sunlight Doing so will damage the surface green portion of the drum cartridge causing smudges on copies Store spare supplies such as drum cartridges and TD car...

Page 27: ...nsumable parts setup 1 Developer cartridge 1 Push gently on both sides of the front cover to open the cover 2 Remove the protective material c and slowly pull the protective sheet d and protective material e together toward you to remove Be careful not to break the protective sheet d midway and not to remain torn part inside the machine 3 Remove the TD cartridge from the bag Hold the cartridge on ...

Page 28: ...ace the cartridge surface green section may be damaged to cause a dirt on print paper 5 Hold the two knobs of the photoconductor cartridge with your fingers and slowly insert the projections on the both ends of the cartridge into the machine along the guides in the arrow direction 6 Remove the black protective sheet from the photoconductor cartridge CAUTION If the black protective sheet is pulled ...

Page 29: ...ows 3 1x Windows 95 Windows 98 Windows NT 4 0 CPU 486DX 66MHz or better Physical RAM Windows 95 Windows 3 1x 8MB 16MB or more is recommended Windows NT 4 0 12MB 16MB or more is recommended Windows 98 16MB 32MB or more is recommended Virtual storage swap file 8MB or more Display 640 x 480 dots VGA or better Hard disk free space 11MB or more CAUTION The printer driver included in this product cannot...

Page 30: ...t button and follow the on screen instructions If the Add New Hardware Wizard window does not appear proceed to step 8 Plug Play For plug play information see page 6 5 Select Search for the best driver for your device and click the Next button 6 Insert the installation CD ROM into the CD ROM drive Select CD ROM drive and click the Next button 7 Windows driver file search will find the device SHARP...

Page 31: ...he Installed Printers window and then click the Connect button 6 Select the printer port to use for the new printer and then click the OK button 7 Click the Set As Default Printer button and then click the Close button NOTE To use the FO 3800M again perform the same procedure but select the port to be used for example LPT1 in step 4 4 Uninstalling drivers If the printer driver and TWAIN driver are...

Page 32: ... machine itself malfunctions It is still possible to receive faxes even under these conditions however by turning on the Auto Receive function The machine will automat ically answer all calls after five rings To use this function follow the procedure below Note If you are using Auto Receive make sure that your answering machine is set to answer on four rings or less Otherwise the machine will take...

Page 33: ...ion d Image process section 1 OPC drum section 2 Developing section 3 Transfer separation section e Fusing paper exit section f Drive section g Printer section h FAX section i Cross sectional view C Lock position D Functional parts 1 Sensor detector 2 Switch 3 Clutch solenoid 4 Motor a Drive motor b Fan motor 5 PWB 6 Fuse thermostat 7 Lamp 8 Interface connector 9 Belt wire 10 Power 11 Adjustment v...

Page 34: ...wer 9 Power connector Connects with the AC power cord 10 Printer interface connector Connects with the host computer Parallel interface IEEE 1284 Allows connection with two host computers 11 Paper release lever Put the lever straight when setting paper to release paper feed drive Put the lever down to allow paper feed 12 LINE jack Used to connect with the TEL line 13 TEL jack Used to connect with ...

Page 35: ...isable printing Paper jam warning lamp Turns on or blinks when there is a paper jam 6 Copy magnification ratio select key Copy magnification ration display lamp Selects the copy magnification ratio 7 Zoom mode display lamp Turns on when the zoom key is used to set the coy magnification ratio 8 Copy magnification display key Used to display the copy magnification ratio set by the zoom key on the va...

Page 36: ...number you dialed Also press this key to insert a pause when entering numbers FUNCTION key Press this key to enter function mode Liquid crystal display Shows various messages during fax operation and programming BROADCAST key Press this key to send originals to a group of receiving fax machines RESOLUTION key Press this key to adjust the resolution before sending faxes SPEAKER key Press this key t...

Page 37: ...ion control PWB Displays various number information and messages Outputs the key operation signal 2 Number display Displays various value information and messages b Paper feed transport section 1 2 2 1 PE SENSOR 3 4 5 PUS 6 7 PIN SENSOR 8 11 4 9 PAPER SIZE SW 6 12 13 14 12 8 13 15 17 16 16 18 10 19 19 FO 3800M 5 5 ...

Page 38: ...SW PAPER SIZE IN Paper width detector Mechanical switch Micro switch Detects the paper width This signal controls the laser beam radiation area LOW 0V when the max width is detected 10 Paper pressure plate Presses paper onto the paper feed roller 11 Paper pressure spring Presses paper onto the paper feed roller 12 Paper separator Separates paper in paper feed operation 13 Paper feed clutch Mechani...

Page 39: ...t 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 This signal is inputted to the scanner lamp...

Page 40: ...irror 3 No 3 mirror Leads the laser beam to the OPC drum 4 Second cylindrical lens Corrects the laser beam deflection by variations in the scanning mirror angle Corrects the optical section dirt 5 Fθ mirror No 2 mirror Corrects the laser beam form and pitch 6 Scanning mirror rotation mirror Scans the laser beam and performs imaging 7 No 1 cylindrical lens Adjust the direction of laser beam 8 Laser...

Page 41: ...rum aluminum layer and the earth high voltage PWB 3 Main charger electrode Connects the main charger output high voltage PWB and the main charger brush 4 Discharge brush Discharges lower the potential of the OPC drum surface Japan only 5 Main charger brush Charges the OPC drum 6 Toner seal Shield to prevent toner from leaking outside the OPC drum unit 1 2 5 3 6 5 4 1 FO 3800M 5 9 ...

Page 42: ...e bias voltage output high voltage PWB 4 Potential control electrode Connects the developing roller and the bias voltage output high voltage PWB 5 Toner stirring roller Lead toner to the developing roller and charges toner 6 Zenor diode Maintains the potential between the developing roller and the toner stirring roller at a constant level 7 Toner seal Shields toner from leaking outside the develop...

Page 43: ...e transfer roller and the transfer voltage output high voltage PWB 3 Pressure spring Applies pressure to the transfer roller paper and the OPC drum to improve transfer efficiency 4 Separation electrode Reduces paper charging potential to facilitate separation of paper 5 Earth electrode Connects the separation electrode and the earth high voltage PWB 1 3 2 5 4 1 4 3 FO 3800M 5 11 ...

Page 44: ...ature fuse 2 Fusing section Mold Assures safety in overheating 6 HL Heater lamp Halogen lamp Heats the heat roller 100V series 10V 500W 120V series 120V 500W 200V series 230V 500W 7 Pressure roller Applies a pressure to the heat roller and paper to improve fusing efficiency 8 Paper exit roller Discharges paper after fusing 9 Separation pawl Separates paper from the fusing roller mechanically 10 Pa...

Page 45: ...eed section 3 Imaging process fusing section drive gear Transmits the main motor power to the imaging process section and the fusing section g Printer section No Parts MODEL Note Name Type Function operation 1 ICU PWB Converts print data sent from the host into bit image Printer models only 2 Printer interface connector IEEE1284 parallel interface Connects with the host computer parallel interface...

Page 46: ...s FAX operations 2 Document tray Documents are loaded to this tray 3 Document guide Adjusts the document width 4 Roller pressure release button When a paper jam occurs in the SPF paper feed section release the roller pressure and remove the jam paper Clutch motor solenoid roller 1 2 3 4 2 6 7 8 4 5 6 7 8 9 10 11 1 3 12 2 10 FO 3800M 5 14 ...

Page 47: ...SPUS SPF PUS SPF paper feed solenoid Control ON OFF of the SPF paper feed roller 11 SPF resist roller Controls the start timing of document transportation reading 12 SPF transport follower roller B Transports documents PWB sensor No Parts Model Note Code Code name Name Type Function Operation Active condition 1 FAX operation control PWB Controls key operations and displayes of FAX function 2 SPF i...

Page 48: ...ser beam Controls ON OFF for imaging 9 PE SENSOR PEMP IN Paper empty detector Photo transmission sensor Detects paper on the paper tray LOW 0V when paper is detected 10 Paper pressure spring Presses paper onto the paper feed roller at a proper pressure 11 Paper pressure plate Presses paper onto the paper feed roller at a proper pressure 12 Paper feed roller Feeds paper 13 Paper separator Separates...

Page 49: ... Heats the heat roller 100V series 100V 500W 120V series 120V 500W 200V series 230V 500W 26 Heat roller Toner on the paper is heated and fused onto the paper 27 Separation pawl Separates paper from the fusing roller mechanically 28 MHPS MHPS Scanner home position sensor Photo transmission sensor Detects the scanner home position By this signal the image scanning operation is controlled HIGH 5V whe...

Page 50: ...beam position This signal is used to control the left image print start position LOW 0V when laser beam is detected 6 CCD SENSOR CCD OUT CCD image sensor CCD Scans document images photo signals and converts them into electrical signals Digital signal 8Bit 7 PIN SENSOR PIN Paper in detector Photo transmission sensor Detects whether the fed paper is transported to the transfer position or not LOW 0V...

Page 51: ... switch Turns on off the main power line ON OFF of all power Close 3 Clutch solenoid No Parts MODEL Note Code Signal name Name Type Function operation Active condition 1 PUS PUS Paper feed clutch solenoid Solenoid Controls ON OFF of the paper feed roller The paper feed roller is driven by the paper feed clutch solenoid and the main motor ON Driven by 24V power 2 Paper feed clutch Mechanical spring...

Page 52: ...rives the paper feed section the paper transport section and the image process section 3 IMGSM Scanning motor Stepping motor 24V Drives the scanner reading unit b Fan motor No Parts Note Code Name Type Function operation 1 FM Cooling fan motor Propel DC brushless motor 24V Cools inside the machine the fusing section and the image process section 3 IMGSM 1 LSM 2 MM 1 FM FO 3800M 5 20 ...

Page 53: ... host computers Printer models only 5 MCU PCU PWB Controls the image process section and the engine section 6 FAX control PWB Controls the operations relating to FAX Sends image data of the scanner to the LIU PWB Sends received image data to the printer engine section Performs communication control analysis of the protocol control and data for the opponent party 7 High voltage power PWB Outputs th...

Page 54: ...ies 3 Temperature fuse 1 Fusing section Mold Temperature fuse 132 C 250V 10A Assures safety in overheating 4 Temperature fuse 2 Fusing section Mold Temperature fuse 187 C 125V 1 5A Assures safety in overheating 7 Lamp No Parts Model Note Code Name Type Function operation Specification 1 SL Scanner lamp Cool cathode ray tube Xenon lamp Light source for scanning reading Common 2 HL Heater lamp Halog...

Page 55: ...on operation 1 Scanner drive wire Transmits the scanner motor drive power to the scanner unit 10 Power No Parts Note Name Specification Function operation 1 Power unit DC 24V 2 0A DC 5V 1 1A DC 12V 0 13A DC 3 3V 0 25A Outputs the DC power Drives the heater lamp Outputs the power detection signal The voltage specification differs depending on the destination 2 High voltage power unit Main charger v...

Page 56: ...volume Adjust the DC output voltage 24V 3 VR801 Main charger voltage adjustment volume Adjusts the main charger voltage 4 VR802 Developing bias voltage adjustment volume Adjusts the developing bias voltage D Lock position No Parts Note Name Function Operation 1 Scanner lock screw Locks the scanner unit Fixes the scanner unit with this screw when in transit 1 VR601 VR802 VR801 FO 3800M 5 24 ...

Page 57: ...cuits OFF ON READY ONLINE Print image is received and printing is allowed ON ON OFF OFF OFF ON Press the clear key twice to enter the online mode OFFLINE Only copying is allowed Printing is inhibited ON OFF OFF OFF OFF ON BUSY Copying OFF OFF ON Interruptioninhibited Printing ON BLINK Power save Pre heat mode The fusing temperature is lowered to reduce power consumption ON ON ON OFF When any key i...

Page 58: ...Relationship between the power save mode and the display and machine operations The power save mode is of two steps the pre heat mode and the power shut down mode When the time set by user program 2 or 3 is passed from the non operation state the machine enters the pre heat mode and the power shut down mode Machine condition READY LAMP OTHER LAMPS LEDS FUSING SECTION CONTROL FAN Copy lamp Other lo...

Page 59: ...The automatic exposure level can be adjusted to suit your copying needs This level is set for copying from the original table and copying from the SPF respectively 1 When adjusting the automatic exposure level for copying from the SPF place an original in the document feeder tray and make sure that the SPF indicator lights up When adjusting the level for copying from the original table make sure t...

Page 60: ...ata are outputted under a certain condition after the copy job Outputted under a certain condition after the copy job Printer During print data output Pressing the START key interrupts print data output and the copy job is started Spooled and outputted after previous print data are outputted FAX job can be performed after printing the current print data FAX job can be performed after printing the ...

Page 61: ...and the drum replacement LED blinks The output is continued and the toner empty LED lights up The output is interrupted and the drum replacement LED lights up The output is interrupted and the jam LED blinks The error display is made also on the LCD of the FAX side During direct reception The output is interrupted and the mode is changed to the memory reception and the paper empty indication is di...

Page 62: ...ay When you add paper and set the paper size replace the TD cartridge or clear the jam the stored originals will automatically be printed out If you received originals in memory because the fax ran out of paper be sure to add paper which is the same size as the paper previously used If not the original print out size may not match the size of the printing paper Caution If originals received in mem...

Page 63: ...DJ M1 CHI M1 Transfer charger voltage check ADJ M7 Fusing temperature adjustment ADJ 1 Fusing temperature adjustment within 20 sheets of continuous print Content Preliminary work After work JOB No JOB No ADJ M7 Fusing temperature adjustment ADJ 2 Fusing temperature adjustment after 20 sheets of continuous print ADJ M8 Power voltage adjustment ADJ M9 Copy lamp light quantity adjustment ADJ M1 2 Det...

Page 64: ...or cleaned S 009 Ua 002 When replacing MCU PWB In case of U2 trouble S 009 Ua 004 When replacing the high voltage power motor drive PWB ADJ M6 When adjusting the high voltage power voltage When servicing Cycle Conditions Normal copy exposure is not obtained Necessary condition 1 The scanner reading section must be free from dust 2 The image process section must be normal The high voltage power vol...

Page 65: ...ustment FAX mode Uniform adjustment for image modes This method is used to adjust the print density in all image modes of the FAX mode uniformly When this adjustment is executed the increment of this adjustment is added to the print density in each image mode of the FAX mode To adjust the print density in each image mode of the FAX mode individually use ADJ7 ADJ10 Program to be used and the adjust...

Page 66: ...sity adjustment test chart TPAP 2109SCZZ on the document table 2 Use the document table and make a copy in the TEXT copy mode with the density level at the center 3 Enter the test command simulation 51 6 mode 4 Set the FAX mode print density adjustment test chart TPAP 2109SCZZ on the SPF 5 Press the START button to make a copy 6 Check that the copy density of procedure 2 and that of procedure 5 ar...

Page 67: ...roper If not perform the following procedures to adjust Do not move the scanner unit manually 3 Loosen the fixing screw of the scanner unit drive pulley which is not in contact with the stopper of the scanner unit B 4 Without moving the scanner unit drive shift manually turn the scanner unit drive pulley so that the scanner unit B makes contact with both the stoppers at the same time Change the re...

Page 68: ...n any part in the scanner reading section is disassembled or replaced ADJ M2 ADJ 1 When the scanner unit parallelism adjustment is performed Cycle Condition When the copy image distortion is outside the specified range Necessary condition 1 The scanner unit parallelism adjustment mechanical adjustment is completed 2 The scanner drive wire tension is proper Work content 1 Make a test chart on A4 11...

Page 69: ...tortion adjustment Necessary tool Name Scale Parts code Price rank ADJ 3 Copy main scanning direction distortion adjustment Location Adjustment value Execution condition time Enforcement time JOB No Content S 004 When any part in the scanner reading section is disassembled or replaced ADJ M2 ADJ 2 When the sub scanning direction distortion is performed Cycle Condition When the copy image distortio...

Page 70: ... rail on the front frame side Repeat procedures 6 8 until the image distortion difference distortion balance becomes zero 9 If the image distortion difference becomes zero change the over all height of the front frame side scanner rail 10 Set the test chart made in procedure 1 on the document table and make a copy on A4 11 8 5 paper Check that the main scanning direction distortion is within the s...

Page 71: ...tion manual adjustment mode with the copy picture quality mode select key The currently set copy magnification ratio adjustment value is displayed on the copy quantity display Adjustment mode Adjustment mode Lighting Note Main scanning direction Auto Auto copy mode lamp The adjustment is made automatically by the software Manual Manual copy mode lamp The adjustment is made manually Sub scanning di...

Page 72: ...o adjust so that the main scanning direction copy magnification ration is in the specified range 100 1 0 ADJ 2 Sub scanning direction copy magnification ratio adjustment Adjustment value Test command et value Range MIN 0 Range MAX 99 Standard value 50 Default 50 Sub scanning direction copy magnification ratio Copy magnification ratio display value Actual copy magnification ratio 100 Within 1 0 of ...

Page 73: ...50 Default 50 Copy image position Main scanning direction When the copy image position is compared with the original image position the shift must be within 0 2 0mm Program used Test command Simulation MODE Normal MAIN CODE 50 SUB CODE 10 Execution condition time Enforcement time JOB No Content S 004 When any part of the scanner section reading is disassembled and replaced S 009 Ua 002 When replac...

Page 74: ...loss void area adjustment value Image lead edge position Lead edge image loss Lead edge void area Trail edge void area Range MIN 1 0mm 1 0mm Range MAX 5 0mm 5 0mm Standard value 0mm 2 5mm 2 5mm 2 5mm Pogram used Test command Simulation Adjustment item MAIN CODE SUB CODE Adjustment mode display lamp ON 50 1 Auto copy mode lamp Image lead edge position Print start position adjustment Document table ...

Page 75: ... edge is not 0 1 5mm change the set value and press the start button the adjustment value is stored and a copy is made When the set value is increased the image lead edge position is shifted forward for the paper lead edge position When the set value is decreased the image lead edge position is shifted backward for the paper lead edge position Note If this adjustment value is improper the copy ima...

Page 76: ...th the figure UP DOWN key and press the START button The adjustment value is stored Adjustment range 0 8 Default 4 When the adjustment value is changed by 1 the distance is changed by about 1mm 25 Cancel the simulation 26 44 Repeat procedures 21 25 until the specification in procedure 22 is satisfied The following procedures are for the FAX SPF mode copy rear edge void area adjustment 26 Set the t...

Page 77: ...t mode Adjustment mode display LIghting Note Main scanning direction image position Photo copy mode lamp Main scanning direction image position SPF mode Auto Photo Text copy mode lamp Left void area Auto copy mode lamp Right void area Manual copy mode lamp 6 Change the set value and press the start button The adjustment value is stored and a copy is made When the set value is increased the void ar...

Page 78: ...V Before measurement connect the capacitor and the diode to the tip of the digital multi metar as shown below Troubles caused by improper work 1 Copy print defective Insufficient density background copy dirt etc 2 The copy density cannot be adjusted in the proper range with SIM 46 1 3 The photoconductor is damaged After work JOB No Content ADJ M1 Copy density adjustment Necessary tools Name Digita...

Page 79: ...ve value meter Adjust VR802 so that the output voltage is 310 5V Troubles caused by improper work 1 Copy print defective Insufficient density background copy dirt etc Ghost 2 The copy density cannot be adjusted with SIM 46 1 3 Photoconductor damage After work JOB No Content ADJ M1 Copy density adjustment Necessary tools Name Digital multi meter High voltage probe Parts code Price rank Note Interna...

Page 80: ... FLUKE 80K 40 Note 1 Use a digital multi meter effective value meter internal im pedance of 1000MΩ or above If the above conditiosn are not satisfied the proper measurement of voltage cannot be made 2 Since a high voltage is outputted be careful of electric shock ADJ M7 Fusing temperature adjustment Content ADJ M7 Fusing temperature adjustment ADJ 1 Fusing temperature adjustment within 20 sheets o...

Page 81: ...djustment value Range MIN 23 5V Range MAX 24 5V Standard value 24V Execution time Enforcement time JOB No Content S 009 Ua 001 When replacing a power in the PWB unit Necessary condition 1 Adjust with the AC power voltage in the specified range 90 110 of the standard power voltage Job content 1 Manually turn on the cabinet switch 2 Turn on the power 3 Put a digital multi meter between the check poi...

Page 82: ...canner unit home position 3 Turn and adjust the volume on the copy lamp drive PWB so that the CCD output waveform max value is 4 0 0 1 V Trouble caused y improper operation 1 E7 05 trouble 2 E7 04 trouble 3 E7 12 trouble 4 E7 15 trouble 5 Copy exposure cannot be adjusted 6 Copy exposure abnormality Preliminary work JOB No Content S 004 Scanner reading section cleaning After work JOB No Content ADJ...

Page 83: ...typical types 1 Code system Numeric keys and functions keys are used to enter values and to select the mode 2 Switch system Simulation content is selected by combination of switch setting 3 Selection system Values and modes are selected with functions keys As a special case a jumper wire is used to connect check points on the PWB to select the mode B Code system simulation 1 Operating procedure an...

Page 84: ...start button The display is made corresponding to the selected mode and item Press the start button The display is made corresponding to the selected mode and item Press the start button The selected mode item content are cleared Operation is made corresponding to the selected mode and item Other mode Press the start button Press the start button The display is made corresponding to the selected m...

Page 85: ...t check Image process Photoconductor Developing Transfer Cleaning 3 Used to check the operations of the main charger voltage and the control circuit Operation test check Image process Photoconductor Developing Transfer Cleaning 14 0 Used to cancel a self diag trouble other than U2 trouble Clear Cancel Trouble etc Trouble Error 16 0 Used to cancel the self diag trouble U2 trouble Clear Cancel Troub...

Page 86: ...y density The overall print density including all the specified density gradients of each mode can be adjusted Adjustment Picture quality Density 12 Used to adjust the print density in all the FAX modes Used to adjust all the print densities in all the FAX modes collectively Adjustment FAX Picture quality Density 13 Used to adjust the print density in the FAX normal mode Used wen adjusting the pri...

Page 87: ...motor rotates for 10 sec in the speed corresponding to the set copy magnification ratio 2 4 Purpose Operation test check Function Purpose Used to check the operations of the loads solenoids in the RADF ADF SPF units and their control circuits Section ADF RADF UDH SPF Item Operation Operation Procedure When the START button is pressed the SPF paper feed solenoid SPUS repeats ON 500ms and OFF 500ms ...

Page 88: ...veloping bias voltage the main charger voltage and the transfer charger voltage and the operation of their control circuit Section Image process Photoconductor Developing Transfer Cleaning Operation Procedure The following high voltages are outputted for 30 sec Transfer charger voltage DC component AC com ponent Main charger voltage DC component AC component 8 2 Purpose Adjustment Operation test c...

Page 89: ... same as SIM 22 5 Total printer counter display 22 18 Purpose Operation data output Check Display Print Function Purpose Used to check the print count number Item Counter Printer Operation Procedure The display format and the method are same as SIM 22 5 Total printer counter display 22 20 Purpose Operation data output Check Display Print Function Purpose Used to check the FAX print count number Se...

Page 90: ...n 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 Set code number SPF FAX function 0 Disable 1 Enable 26 6 Purpose Setting Function Purpose Used to set the destination Item Specifications Operation Pro...

Page 91: ... scanner writing motor OFF timing after completion of printing is displayed 2 To change the set content enter the code of your desired setting and press the start button Setting code Scanner writing motor OFF timing 0 0 sec 1 30 sec 2 60 sec 3 90 sec 26 44 Purpose Adjustment Function Purpose Used to adjust the rear edge void area in the SPF copy mode AL FO Series only Section ADF RADF UDH SPF Item...

Page 92: ...y density is changed The above adjustment is made for each copy mode Each copy mode and each copy density level 5 steps have their own gamma curve gradient The adjustment value can be set in the range of 0 99 1 Select the picture quality mode with the copy picture quality mode select key The currently set copy density adjustment level is displayed on the copy quantity display 2 To change the copy ...

Page 93: ...e are following three copy magnification ratio adjustment modes Adjustment mode Adjustment mode display ON Note Main scanning direction Auto Auto copy mode lamp Automatically adjusted by the software Manual Manual copy mode lamp Automatically adjusted by the software Sub scanning direction Manual Photo copy mode lamp Adjustment is made by changing the scanning speed 1 Select the adjustment mode wi...

Page 94: ...per lead edge position 5 Select the adjustment mode lead edge void area with the copy picture quality mode select key The currently set adjustment value is displayed on the copy quantity display 6 Change the set value and press the start button 7 Select the adjustment mode rear edge void area with the copy quality mode select key The currently set adjustment mode is displayed on the copy quantity ...

Page 95: ... pressed the scanner unit is shifted to the shading sheet white position and the scanner lamp is lighted for 10 sec During the above operation one pixel at the center of CCD detects the white level for every second and the value is displayed on the copy quantity display in real time The display value ranges from 0 to 255 63 2 Purpose Operation data output Check Display Print Function Purpose Used ...

Page 96: ...time setting This setting is linked with the shift time from the off line mode to the on line mode When the set value is 0 however the time is 30 sec 1 30 sec 2 60 sec 3 90 sec 4 120 sec 2 0 30 sec Pre heat mode shift time setting 1 60 sec 2 90 sec 3 0 2 min Power shut down shift time setting 1 5 min 2 15 min 3 30 min 4 60 min 5 120 min 4 0 OFF SPF stream mode setting 1 ON 5 0 YES Power shut down ...

Page 97: ...ECEIVING JUL 07 1999 WED 03 25 PM DATE 01 JUL 07 5551234567 RECEIVE 1 OK 10 26 AM 37 37 START SENDER RX TIME NOTE PAGES TYPE 1 TOTAL P 01 TIMER LIST JUL 14 1999 WED 03 15 PM TIMER OPERATION REMOTE TX 1 FRI SEND 1 03 20 AM STANDARD GUYA DEVICES RESERVED RECEIVER RESOLUTION TIME PAGES TYPE TIMES RESOLUTION PAGES TYPE REMOTE TX 2 STANDARD REPEAT P 01 2 3 FAX NUMBER LIST JUL 14 1999 WED 03 48 PM ABC 7...

Page 98: ...cedures 4 and 5 press the code number 2 digits of the target mode to enter the mode directly B List of functions Mode Mode Details of functions LCD display Mode name 01 Soft switch setting mode This mode is used to change the soft switch setup The available soft switches are SW1 to SW30 The contents of soft switches are backed up For details of soft switches refer to Software Switch for FAX 01 SOF...

Page 99: ...he line and the detected signal name is displayed on the LCD The signals to be detected are CNG DTMF and silent The detection conditions conform to the soft switch setup 43 SIG DETECT 44 Long distance comm Select mode This mode is used to specify the other party FAX numbers registered in the one touch speed dial with which communication errors occur frequently due to poor line conditions To the sp...

Page 100: ...s STOP This mode is terminated 20 2 DTMF DTMF 21 Press any NUM key 0 9 or or 2 DTMF DTMF pressed key The DTMF signal corresponding to the pressed key is sent 22 Press STOP 2 DTMF DTMF 23 To continue Go to 21 To change the signal kind Press STOP 04 SIGNAL SEND SELECT SIGNAL To terminate this mode Press STOP twice This mode is terminated 30 signal type SELECT SPEED 31 Press or to select the target s...

Page 101: ...29 4 V 29 5 V27ter 5 V27ter 6 FLAG 6 FLAG 7 Tone CED CNG 7 TONE TABLE 4 Speed Frequency in the Signal send mode MODE MENU ITEM 1 MENU ITEM 2 MENU ITEM 3 MENU ITEM 4 3 1 V 17 14400BPS 2 V 17 12000BPS 3 V 17 9600BPS 4 V 17 7200BPS 4 1 V 29 9600BPS 2 V 29 7200BPS 5 1 V27ter 4800BPS 2 V27ter 2400BPS 6 1 FLAG 300BPS 7 1 TONE 2100Hz 2 TONE 1100Hz TABLE 5 Data which is sent in the Signal send mode MODE M...

Page 102: ... soft switch mode Procedure LCD Operation 1 Press FUNCTION 9 8 7 DIAGNOSTIC MODE ROM VERSION version 2 Press ENTER DIAGNOSTIC MODE SELECT MENU 3 Press 2 1 21 PRINT SOFT SW The soft switch list is printed This mode is terminated 9 Panel check mode Procedure LCD Operation 1 Press FUNCTION 9 8 7 DIAGNOSTIC MODE ROM VERSION version 2 Press ENTER DIAGNOSTIC MODE SELECT MENU 3 Press 4 2 42 FAX PANEL TES...

Page 103: ...not be designated 5 Software switch for FAX A Software Switch List This machine is provided with the following software switches for the use by a serviceman The setup items of SW21 and later correspond to user setup one to one Since SW17 20 are assigned to adjustment values they are not cleared by Memory Clear SW No Bit No ITEM Soft SW setting and function Factory Setting 1 1 300dpi reception enab...

Page 104: ...ring and recording mode The time set with this switch is that from the last call sound to the silent detection end 0 1 3 4 Number of times of CNG detection Number of times 2 Bit3 1 Bit4 1 Factory setting 2 1 1 0 1 3 times 1 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Answering and recording mode signal detection filter Used to select the CNG signal detection filter in the answering and recording mo...

Page 105: ... is interrupted and the machine enters the recall mode 1 7 1 2 3 4 Reception sensitivity offset Used to set the FAX signal reception level offset The set range is 8dBm to 7dBm The values are mere estimation figures because they are affected by DAA When Auto reception sensitivity adjustment is set to Enable this setup is disabled Sensitivity offset 8 Bit1 4 Bit2 2 Bit3 Bit4 dBm Factory setting 0 dB...

Page 106: ... NSF signal This function is effective to avoid communication troubles due to echoes in oversea communication 0 5 EOL detection timer Used to set the EOL End of Life detection time to 25sec or 13sec This function is effective to avoid a communication error due to long EOL of certain models 0 6 Reserved 0 7 Reserved 0 8 ECM Used to set ON OFF of ECM 1 9 1 2 Interval between OFF HOOK and dial send U...

Page 107: ...6 Bit2 8 Bit3 4 Bit4 2 Bit5 hour 00 min Set range 0 23 Factory Setting 00 00 0 0 0 0 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 13 1 Auto recall in direct sending transmission Used to set whether auto recall is made similarly to memory transmission or not when direct transmission is failed 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 8 Compression method in receving Used to s...

Page 108: ...o adjust the make ratio of 10PPS pulse dial signal The set range is 8 to 7 Offset 8 Bit1 4 Bit2 2 Bit3 1 Bit4 Factory setting 0 0 0 0 0 5 6 7 8 Reserved 0 0 0 0 18 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 19 1 Reserved 0 2 Reserved 0 3 Reserved 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Reserved 0 8 Reserved 0 20 1 Reserved 0 2 Reserve...

Page 109: ...times For some causes of the communication error however the number of times of recalls must be set to a smaller level Recall Times 8 Bit1 4 Bit2 2 Bit3 1 Bit4 times Set range 0 OFF 1 14 0 0 1 0 5 6 7 8 Recall interval Used to set the recall interval when a transmission is not normally completed due to busy status of the other party or a communication error The set range is 1 to 15 minutes Recall ...

Page 110: ...ick sound Used to set whether the click sound is made or not when pressing a key on the FAX panel 1 5 6 7 Incoming Ring Volume Used to set the sound volume of call ring 0 1 0 8 Reserved 0 27 1 2 3 Distinctive Ring Used to set the RING signal pattern to start FAX reception with Distinctive Ring 1 1 0 4 Reserved 0 5 Reserved 0 6 Reserved 0 7 Telephone line kind Used to select the kind of telephone l...

Page 111: ... to set whether the page sequence scanned by the SPF is reversed for transmission or not 1 29 1 2 Reserved 0 0 3 Reserved 0 4 5 Reserved 0 0 6 7 Broadcast list print Used to set whether broadcast transmission report is printed after completion of broadcast transmission or not 0 0 8 Index print Used to set whether marking is made to the lead edge of paper or not to identify the job when printing th...

Page 112: ...er transport P 001 Paper width detector ASS P 002 Paper set lever ASS P 003 Paper pressure plate ASS P 004 Paper feed roller clutch spring ASS GRE P 005 Paper feed roller ASS CLN P 006 Paper feed clutch sleeve A ASS GRE P 007 Paper feed clutch sleeve B ASS GRE P 008 Paper feed clutch lever ASS P 009 Paper separator ASS CLN S 004 Scanner reading Ua 001 Scanner reading unit ASS ADJ M3 P 001 Scanner ...

Page 113: ...de ASS CLN P 007 Developing bias electrode spring ASS CLN P 008 Separationelectrode ASS CLN P 009 Main charger electrode SP ASS CLN P 010 Earth electrode SP ASS CLN S 007 Fusing paper exit Ua 001 Fusing unit ASS P 001 Pressure roller ASS CLN P 002 Paper guide sheet ASS CLN P 003 Paper exit roller L ASS CLN P 004 Paper exit roller U ASS CLN P 005 Paper exit detector ASS P 006 Fusing temperature sen...

Page 114: ...d ASS P 002 SPF document detector ASS P 003 SPF paper entry detector ASS P 004 SPF paper feed clutch boss ASS P 005 SPF paper feed clutch spring ASS P 006 SPF paper feed clutch sleeve ASS P 007 SPF paper feed clutch gear ASS P 008 Pickup roller ASS CLN P 009 SPF paper feed roller ASS CLN Ua 003 P 001 SPF open close detector ASS P 002 Separation unit ASS CLN P 003 Document mat ASS CLN P 004 SPF tra...

Page 115: ...S001 P001 S001 P007 CLN S001 P003 S001 P005 S001 P002 S001 P006 S001 P004 CLN FO 3800M 9 4 ...

Page 116: ...by improper work 1 Paper detector malfunction S001 P002 Front upper cabinet 1 Open the operation unit and remove the screw Remove the front upper cabinet S001 P002 in the arrow direction Troubles caused by improper work 1 The operation unit cannot be closed completely S001 P009 S001 P008 S001 P001 S001 P002 FO 3800M 9 5 ...

Page 117: ...or E7 05 04 12 15 S001 P005 Front right lower cabinet 1 Release the hook and remove the front right lower cabinet S001 P005 from the right cabinet S001 P003 Note 1 Be careful not to break the hook which is fragile S001 P006 Front left lower cabinet 1 Remove the front left lower cabinet S001 P006 from the left cabinet S001 P004 Note 1 Be careful not to break the hook which is fragile S001 P007 Docu...

Page 118: ... 4 Remove the left cabinet S001 P004 5 Remove the FAX control PWB unit the screw connector and remove the fan motor unit 6 Reverse the machine and remove the screw 7 Remove the connector earth and remove the bottom base plate S001 P008 8 Pull out the paper reception tray S001 P009 Troubles caused by improper work Paper entry detector malfunction Note Be careful not to mistake the installing direct...

Page 119: ...002 Ua001 P001 Hinge S002 Ua001 P002 Operation control PWB S002 Ua001 P003 Key top 1 Remove the right cabinet S001 P003 2 Remove the screw and remove the fan motor unit S010 P001 3 Open the operation unit S002 Ua001 4 Remove the connector of the right cabinet side remove the hook and remove the operation unit S002 Ua001 S002 Ua001 P001 S002 Ua001 P003 S002 Ua001 P003 S002 Ua001 P002 S002 Ua001 P00...

Page 120: ... section to the center of the long hole and push it in the arrow direction 6 Remove the screw remove the connector and remove the operation control PWB S002 Ua001 P002 and the key top S002 Ua001 P003 Troubles caused by improper work 1 Key operation trouble 2 Display trouble S002 Ua001 S002 Ua001P001 1 S002 Ua001 P003 S002 Ua001 P002 FO 3800M 9 9 ...

Page 121: ...002 Paper set lever ASS P 003 Paper pressure plate ASS P 004 Paper feed roller clutch spring ASS GRE P 005 Paper feed roller ASS CLN P 006 Paper feed clutch sleeve A ASS GRE P 007 Paper feed clutch sleeve B ASS GRE P 008 Paper feed clutch lever ASS P 009 Paper separator ASS CLN S003 P003 GLN S003 P002 S003 P009 CLN S003 P009 CLN S003 P004 GRE S003 P007 GRE S003 P005 CLN S003 P006 GRE S003 P008 S00...

Page 122: ...001 P003 7 Remove the screw and remove the paper set lever S003 P002 and the paper pressure plate S003 P003 Troubles caused by improper work 1 Mis feed 2 Paper jam 3 Paper skew S003 P004 Paper feed roller clutch spring S003 P005 Paper feed roller S003 P006 Paper feed clutch sleeve A S003 P007 Paper feed clutch sleeve B S003 P008 Paper feed clutch lever S003 P009 Paper separator 1 Remove the rear c...

Page 123: ... inside of the paper feed roller clutch spring and to the surface of the paper feed clutch sleeve A and the paper feed clutch sleeve B Note for assembly Be careful to the installing direction of each part Be sure to set the rear edge of the paper feed roller clutch spring to the notch section of the paper feed clutch sleeves A B Troubles caused by improper work 1 Mis feed paper jam 2 Paper skew 12...

Page 124: ...S ADJ M3 P 001 Scanner home position sensor ASS P 002 Scanner copy lamp drive PWB ASS ADJ M10 Adjustment is required when replace P 003 Scanner motor ASS P 004 Scanner motor gear GRE P 005 CCD unit CCD lens ASS ADJ M4 CLN P 006 Scanner rail GRE P 007 Scanner shaft ASS GRE P 008 Scanner drive wire ASS ADJ M2 M3 Ub 001 Scanner unit A ASS ADJ M3 P 001 Scanner copy lamp ASS ADJ M10 Adjustment is requi...

Page 125: ...1 S004 Ua001 P004 GRE S004 Ua001 P006 GRE S004 Ua001 P007 GRE S004 Ua001 P00 GRE S004 Ua001 P005 CLN S004 Ua001 P008 S004 Ua001 P006 S004 Ua001 P008 S004 Ua001 S004 Ua001 Ub001 P001 CLN S004 Ua001 Ub001 P002 CLN S004 Ua001 Ub001 P003 CLN S004 Ua001 P002 FO 3800M 9 14 ...

Page 126: ...001 P006 Scanner rail S004 Ua001 P007 Scanner shaft S004 Ua001 P008 Scanner drive wire 1 Remove the rear cabinet S001 P001 2 Remove the front upper cabinet S001 P002 3 Remove the right cabinet S001 P003 4 Remove the left cabinet S001 P004 5 Remove the document table glass S001 P007 6 Remove the fan motor unit S010 P001 7 Remove the screw and remove the scanner shaft 8 Release the hook cut the bind...

Page 127: ...trouble 3 Image deflection 14 Remove the screw and the connector and remove the CCD unit S004 Ua001 P005 Never remove the other screws than the two screws shown below Cleaning Remove the protection cover and clean the CCD and the lens with absolute alcohol Troubles caused by improper work 1 E7 04 trouble 2 E7 05 trouble 3 E7 12 trouble 4 Copy image defect Improper focusing Distortion Streaks in th...

Page 128: ...n the front frame side is different from that on the rear frame side Be careful not to mistake the wire colors Troubles caused by improper work 1 L1 00 trouble 2 L3 00 trouble 3 Copy image defect Distortion Image deflection S004 Ua001 Ub001 Scanner unit A S004 Ua001 Ub001 P001 Scanner lamp S004 Ua001 Ub001 P002 No 1 mirror S004 Ua001 Ub001 P003 Scanner lamp light quantity sensor 1 Remove the rear ...

Page 129: ...en the wire fixing screw of the scanner unit A S004 Ua001 Ub001 and remove the wire 9 Remove the screw and remove the shaft 10 Remove the connector cut the binding band and remove the scanner unit A S004 Ua001 Ub001 11 Remove the No 1 mirror S004 Ua001 Ub001 P002 S004 Ua001 Ub001 P003 CLN S004 Ua001 P008 S004 Ua001 Ub001 S004 Ua001 Ub001 P002 FO 3800M 9 18 ...

Page 130: ...6 Remove the fan motor unit S010 P001 7 Remove the scanner drive wire S004 Ua001 P008 8 Remove the scanner unit B S004 Ua001 Ub002 9 Remove the screw and remove the No 2 mirror S004 Ua001 Ub002 P001 and the No 3 mirror S004 Ua001 Ub002 P002 Note for assembly Be careful not to mistake the front and the back sides of the no 2 and No 3 mirrors Cleaning Use absolute alcohol to clean the No 2 and No 3 ...

Page 131: ...1 P006 Laser unit S005 Ua001 P007 Laser beam sensor PWB S005 Ua001 P008 Paper feed solenoid S005 Ua001 P009 Paper empty detector S005 Ua001 P010 No 1 cylindrical lens S005 Ua001 P011 Toner empty sensor 1 Remove the rear cabinet S001 P001 2 Remove the front upper cabinet S001 P002 3 Remove the right cabinet S001 P003 4 Remove the left cabinet S001 P004 5 Remove the document table glass S001 P007 6 ...

Page 132: ... the paper empty detector S005 Ua001 P009 along the boss direction Cleaning Use absolute alcohol to clean the No 1 cylindrical lens S005 Ua001 P010 Use absolute alcohol to clean the scanner mirror motor unit and the laser beam sensor Clean the whole surface of the scanner mirror motor unit as shown in the figure below Troubles caused by improper work 1 Print image defect Insufficient print density...

Page 133: ...eveloping bias electrode ASS CLN P 004 Photoconductor earth electrode ASS CLN P 005 Transfer roller ASS CLN P 006 Transfer charger electrode ASS CLN P 007 Developing bias electrode spring ASS CLN P 008 Separationelectrode ASS CLN P 009 Main charger electrode SP ASS CLN P 010 Earth electrode SP ASS CLN S006 P007 CLN S006 P010 CLN S006 P009 CLN S006 P006 CLN S006 P005 CLN S006 P008 CLN S006 P004 CLN...

Page 134: ...a002 8 Remove the power PWB unit S009 Ua001 9 Remove the scanner reading unit S004 Ua001 10 Remove the gear and the screw and remove the developing bias electrode S006 P003 Cleaning Use absolute alcohol to clean the developing bias electrode Troubles caused by improper work 1 Print image trouble Insufficient density streaks in the main scanning direction 2 Toner dispersion 11 Remove the gear and t...

Page 135: ...dispersion 15 Slide and remove the separation electrode S006 P008 Cleaning Use absolute alcohol to clean the separation electrode Troubles caused by improper work 1 Paper jam 16 Remove the bottom base plate S001 P009 17 Pull out the main charger electrode SP S006 P008 Cleaning Use absolute alcohol to clean the main charger electrode SP Troubles caused by improper work 1 Print image defect Dirt str...

Page 136: ... CLN P 003 Paper exit roller L ASS CLN P 004 Paper exit roller U ASS CLN P 005 Paper exit detector ASS P 006 Fusing temperature sensor ASS CLN P 007 Heat roller ASS CLN P 008 Heater lamp ASS P 009 Separation pawl ASS CLN P 010 Temperature fuse A ASS CLN P 011 Temperature fuse B ASS S007 Ua001 P006 CLN S007 Ua001 P008 S007 Ua001 P007 CLN S007 Ua001 P010 CLN S007 Ua001 P011 S007 Ua001 P007 CLN S007 ...

Page 137: ... the document table glass S001 P007 6 Remove the fan motor unit S010 P001 7 Remove the operation unit S002 P001 S002 P002 S002 P003 8 Remove the scanner unit S004 Ua001 9 Remove the MCu PCU PWB unit S009 Ua002 10 Remove the toner cartridge and the photoconductor cartridge S006 P001 S006 P002 11 Remove the connector screw and remove the fusing unit S007 Ua001 1 Slide to the left and lift and remove...

Page 138: ...003 Cleaning Use absolute alcohol to clean the paper exit roller L Troubles caused by improper work 1 Paper jam Note S007 Ua001 P004 Paper exit roller U S007 Ua001 P005 Paper exit detector S007 Ua001 P006 Fusing temperature sensor S007 Ua001 P007 Heat roller S007 Ua001 P008 Heater lamp S007 Ua001 P009 Separation pawl S007 Ua001 P010 Temperature fuse A S007 Ua001 P011 Temperature fuse B 1 Remove th...

Page 139: ... S007 Ua001 P008 Note for assembly Insert a piece of paper between the separation pawl and the heat roller to keep the separation pawl open in order to protect the heat roller from damage Cleaning Use absolute alcohol to clean the separation pawl 5 Remove the separation pawl S007 Ua001 P009 6 Remove the screw and remove the temperature fuse A S007 Ua001 P010 and the temperature fuse B S007 Ua001 P...

Page 140: ...r work NOTE S No Part name Ua No Unit name Ub No Unit name P No Part name JOB No S 008 Drive P 001 Gears ASS GRE P 002 Main motor ASS S008 P002 S008 P001 GRE S008 P001 S008 P001 GRE GRE S008 P001 GRE S008 P002 S008 P001 GRE S008 P001 GRE FO 3800M 9 29 ...

Page 141: ... Remove the MCU PCU PWB unit S009 Ua002 9 Remove the gear S008 P001 10 Remove the screw and the connector and remove the main motor S008 P002 Grease up When gears are disassembled or replaced be sure to grease again Troubles caused by improper work 1 Noise generation 2 Image deflection 3 Banding S009 Electrical section Section Unit Part JOB CODE After work NOTE S No Part name Ua No Unit name Ub No...

Page 142: ...S009 Ua002 S009 Ua003 S009 Ua004 S009 Ua005 S009 Ua006 S009 Ua001 S009 Ua001 002 S009 Ua001 001 FO 3800M 9 31 ...

Page 143: ...power switch S009 Ua001 P001 and the fuse S009 Ua001 P002 from the power PWB unit After work 1 Output voltage adjustment When any part i the power unit is replaced Troubles caused by improper work 1 Power abnormality S009 Ua002 FAX control PWB unit S009 Ua003 MCU PCU PWB unit 1 Remove the rear cabinet S001 P001 2 Remove the front upper cabinet S001 P002 3 Remove the right cabinet S001 P003 4 Remov...

Page 144: ...4 One touch key ASS P 005 10 key ASS P 006 Start key ASS P 007 Stop key ASS P 008 SPF paper exit guide unit ASS P 009 SPF paper exit follower roller ASS CLN P 010 Roller pressure release lever ASS P 011 Roller pressure release button ASS Ua 002 SPF transport paper feed unit Ub 001 SPF unit P 001 SPF paper exit roller ASS P 002 Drive belt ASS P 003 SPF paper guide ASS P 004 SPF transport roller ASS...

Page 145: ... Ua001 3 Remove the SPF paper exit guide unit S010 Ua001 P008 Remove the FAX operation control PWB S010 Ua001 F001 the Enter key S010 Ua001 P002 the function key S010 Ua001 P008 the one touch key S010 Ua001 P004 the 10 key S010 Ua001 P005 the Start key S010 Ua001 P006 and the Stop key S010 Ua001 P007 Note When installing the SPF paper exit guide unit S010 Ua001 P008 engage the three pawls Cleaning...

Page 146: ...ute alcohol 7 Remove the drive belt 010 Ua002 P002 8 Remove the E ring the gear and the bearing and remove the SPF paper guide S010 Ua002 P003 and the SPF transport roller S010 Ua002 P004 Cleaning Clean the SPF paper guide and the SPF transport roller with absolute alcohol 9 Remove the E ring the gear and the bearing and remove the SPF resist roller S010 Ua002 P005 Cleaning Clean the SPF resist ro...

Page 147: ...alling hang the iron core on the solenoid arm 13 Remove the SPF document detector S010 Ua002 Ub002 P002 14 Remove the SPF paper entry detector S010 Ua002 Ub002 P003 15 Remove the clutch unit Remove the E ring the SPF paper feed clutch boss S010 Ua002 Ub002 P004 the SPF paper feed clutch spring S010 Ua002 Ub002 P005 the SPF paper feed clutch sleeve S010 Ua002 Ub002 P006 and the SPF paper feed clutc...

Page 148: ...roller A S010 Ua003 P005 SPF transport follower roller B 18 Remove the open close detector S010 Ua003 P001 and the separation unit S010 Ua003 P002 from the SPF base unit S010 Ua003 Cleaning Clean the separation unit with absolute alcohol 19 Remove the document mat S010 Ua003 P003 Cleaning Clean the document mat with absolute alcohol 20 Clean the SPF transport follower roller A S010 Ua003 P004 and ...

Page 149: ...r ASS S011 P001 Fan motor 1 Remove the rear cabinet S001 P001 2 Remove the front upper cabinet S001 P002 3 Remove the right cabinet S001 P003 4 Remove the FAX control PWB unit the screw the connector and remove the fan motor unit 5 Remove the screw and remove the fan motor S010 P001 Troubles caused by improper work 1 Image distortion S010 P001 FO 3800M 9 38 ...

Page 150: ...y by the serviceman Motor trouble maintenance etc Other Group 2 Warning Warning to the user and no direct relation with machine troubles Consumable part life preliminary warning etc Trouble Machine troubles The machine is stopped Other D Self diag operation 1 Self diag operation and flow of countermeasures The machine is always watching its state When the machine detects a trouble it stops the ope...

Page 151: ... Shading correction dark component trouble Scanner reading Copy POWER OFF C6 E7 12 Shading correction output level trouble Scanner reading Copy POWER OFF C7 E7 14 ASIC MCU PWB malfunction MCU PWB All modes POWER OFF C8 E7 15 Copy lamp trouble Scanner reading Copy POWER OFF C9 H2 00 Fusing temperature sensor thermistor trouble Fusing Copy print SIM 14 C10 H3 00 Fusing high temperature trouble Fusin...

Page 152: ...arts replacement 3 Reset the trouble with SIM 14 After work 1 Adjust when the scanner reading section parts are disassembled NOTE CASE 2 No TROUBLE POSITION CAUSE Scanner home position sensor MHP signal recognition error 1 Scanner home position sensor MHP trouble 2 MCU PWB scanner home position sensor MHP input circuit trouble REMEDY Check 1 Scanner home position sensor MHP 2 MCU PWB scanner home ...

Page 153: ...he trouble with SIM 14 After work 1 When the scanner reading section parts are disassembled adjust NOTE CASE 2 No TROUBLE POSITION CAUSE Scanner home position sensor MHP signal recognition error 1 Scanner home positions sensor MHP trouble 2 MCU PWB scanner home position sensor MHP input circuit trouble REMEDY Check 1 Scanner home position sensor MHP 2 MCU PWB scanner home position sensor MHP input...

Page 154: ...mulations to input various set values and adjustment values NOTE CASE 2 No TROUBLE POSITION CAUSE The scanner writing optical system does not reflect and converge laser beams normally 1 Scanner writing optical system dirt 2 Scanner writing optical system parts installation position shift REMEDY Check 1 Scanner writing optical system dirt 2 Scanner writing optical system parts installing position s...

Page 155: ...nput circuit Remedy 1 CCD unit replacement 2 MCU PWB replacement After work 1 When the MCU PWB is replaced perform simulations to input various set values and adjustment values NOTE CASE 3 No TROUBLE POSITION CAUSE Copy lamp light quantity abnormality 1 Copy lamp trouble 2 Copy lamp control PWB trouble 3 Copy lamp light quantity adjustment trouble REMEDY Check 1 Copy lamp 2 Copy lamp control PWB 3...

Page 156: ...t circuit Remedy 1 CCD unit replacement 2 MCU PWB replacement After work 1 When the MCU PWB is replaced perform simulations to input various set values and adjustment values 2 When the CCD unit is replaced adjust NOTE CASE 3 No TROUBLE POSITION CAUSE Copy lamp light quantity abnormality 1 Copy lamp trouble 2 Copy lamp control PWB rouble 3 Copy lamp light quantity adjustment trouble REMEDY Check 1 ...

Page 157: ...ding correction 1 CCD unit trouble 2 MCU PWB image signal CCD input circuit trouble REMEDY Check 1 CCD unit output 2 MCU PWB image signal CCD input circuit Remedy 1 CCD unit replacement 2 MCU PWB replacement After work 1 When the MCU PWB is replaced perform simulations to input various set values and adjustment values NOTE CASE 3 No TROUBLE POSITION CAUSE Copy lamp light quantity abnormality 1 Cop...

Page 158: ...E POSITION CAUSE Scanner reading optical system does not transmit images light normally 1 Scanner reading optical system dirt 2 Scanner reading optical parts installing position shift REMEDY Check 1 Scanner reading optical system dirt 2 Scanner reading optical parts installing position CCD unit lens mirror copy lamp copy lamp light quantity sensor shading correction sheet Remedy 1 Scanner reading ...

Page 159: ... CAUSE 1 Fusing temperature sensor thermistor output level recognition error CASE 1 No TROUBLE POSITION CAUSE Fusing temperature sensor thermistor signal recognition error 1 Fusing temperature sensor thermistor trouble 2 MCU PWB fusing temperature sensor thermistor input circuit trouble REMEDY Check 1 Fusing temperature sensor thermistor 2 MCU PWB fusing temperature sensor thermistor input circuit...

Page 160: ...ignal trouble 1 MCU PWB heater lamp control circuit trouble REMEDY Check 1 MCU PWB Remedy 1 MCU PWB replacement 2 Reset the trouble with SIM 14 After work 1 When the MCU PWB is replaced perform simulations to input various set values and adjustment values NOTE CASE 3 No TROUBLE POSITION CAUSE Heater lamp drive trouble 1 Power PWB heater lamp drive circuit trouble REMEDY Check 1 Power PWB Remedy 1 ...

Page 161: ...e MCU PWB is replaced perform simulations to input various set values and adjustment values NOTE CASE 3 No TROUBLE POSITION CAUSE Heater lamp drive trouble 1 Power PWB heater lamp drive circuit trouble REMEDY Check 1 Power PWB Remedy 1 Power PWB replacement 2 Reset the trouble with SIM 14 After work NOTE SELF DIAG CODE MESSAGE U2 No C12 PHENOMENON DISPLAY CODE MAIN CODE U2 SUB CODE 01 LAMP TITLE E...

Page 162: ...U PWB replacement 2 Reset the trouble with SIM 14 3 Use simulations to set various set values and adjustment values After work NOTE SELF DIAG CODE MESSAGE U2 No C14 PHENOMENON DISPLAY CODE MAIN CODE U2 SUB CODE 05 LAMP TITLE EPROM MCU PWB trouble DETAIL EPROM MCU PWB data error SECTION MCU PWB EPROM ITEM TYPE MODE User Warning Service YES Trouble YES Other Other OPERATION MODE All modes Machine op...

Page 163: ... detection switch malfunction 2 Cabinet operation unit open close detection switch signal is not recognized SECTION Power PWB unit ITEM TYPE MODE User YES Warning YES Service YES Trouble YES Other Other OPERATION MODE All modes Machine operation when the message is displayed Stop NOTE BASIC CAUSE 1 Cabinet operation unit open close detection switch signal is not recognized CASE 1 No TROUBLE POSITI...

Page 164: ...CASE 1 No TROUBLE POSITION CAUSE Toner density sensor signal recognition error 1 Toner density sensor trouble 2 Toner density sensor signal input circuit trouble REMEDY Check 1 Toner density sensor 2 Toner density sensor signal input circuit Remedy 1 Toner density sensor replacement 2 PCU PWB Replacement After work 1 When the MCU PWB is replaced perform simulations to input various set values and ...

Page 165: ... clutch replacement 3 Paper feed roller replacement 4 Paper separation sheet replacement After work NOTE SELF DIAG CODE MESSAGE E2 No C19 PHENOMENON DISPLAY CODE MAIN CODE SUB CODE LAMP Paper jam lamp blinking TITLE Paper jam paper entry section DETAIL 1 Paper entry detector PIN malfunction 2 Paper entry detector PIN signal recognition error SECTION Paper entry transfer ITEM TYPE MODE User YES War...

Page 166: ... 2 MCU PWB replacement After work 1 When the MCU PWB is replaced perform simulations to input various set values and adjustment values NOTE SELF DIAG CODE MESSAGE P No C21 PHENOMENON DISPLAY CODE MAIN CODE P SUB CODE LAMP Paper tray lamp P blinking TITLE Paper empty DETAIL 1 Paper detector PE malfunction 2 Paper detector PE signal recognition error SECTION Paper feed tray ITEM TYPE MODE User YES W...

Page 167: ...ry detector SW2 signal input circuit 3 SPF interface PWB Remedy 1 Paper entry detector SW2 replacement 2 MCU PWB replacement 3 SPF interface PWB replacement After work 1 When the MCU PWB is replaced enter set values and adjustment values with the simulation NOTE CASE 2 No TROUBLE POSITION CAUSE Paper feed roller does not feed paper normally 1 SPF paper feed roller clutch drive circuit trouble 2 SP...

Page 168: ...properly Developer cartridge empty Replace he developer cartridge Half page of printed paper is blank Too complex page layout Simplify the paper layout If possible remove unnecessary format commands from the document Reduce resolution setting If currently set to 500dpi change to 300dpi Install an expansion random access memory RAM to the computer Incorrect setting of page orientation In the printe...

Page 169: ...E ERROR FAX transmission or reception was failed NO RESPOONCE No response from the line error reception machine RETURN ORGX XXSHEET S A paper jam occurs on the SPF Line error occurs when memory is full The left message and MEMORY FULL are alternatively displayed PAPER OUT XX FAX RCVD IN MEMORY Since paper is exhausted received image data are stored in memory Memory reception CAN NOT PRINT The imag...

Page 170: ...rmality continues replace it Scanner reading section dirt Clean the scanner reading section Main charger transfer charger developing bias voltage abnormality Check the output voltage and replace defective parts Adjust the output voltage Thank you very much for buying a SHARP laser printer This manual tells you how to set up operate and maintain your new printer and contains advice on how to get th...

Page 171: ...trouble Clean or replace the paper feed roller Separation sheet trouble Clean or replace the separation sheet Scanner reading section trouble Adjust the installing positions of parts Scanner writing section trouble Replace the scanner writing unit Thank you very much for buying a SHARP laser printer This manual tells you how to set up operate and maintain your new printer and contains advice on ho...

Page 172: ...an the scanner reading section Scanner writing section dirt Clean the scanner writing section Fusing section trouble Clean the fusing section or replace defective parts Ghost Transfer roller trouble Clean or replace the transfer charger roller SMP5 Transfer charger voltage trouble Repair or replace the high voltage power PWB Photoconductor cartridge trouble Replace the photoconductor cartridge Dis...

Page 173: ...section trouble Clean or replace the fusing section SMP11 Black streaks Vertical to paper transport direction Developer cartridge trouble Replace the developer cartridge Photoconductor cartridge trouble Replace the photoconductor cartridge Laser unit trouble Replace the upper frame unit Control PWB trouble Repair the control PWB Transfer charger roller trouble dirt moisture Clean the roller If the...

Page 174: ...SMP1 SMP2 FO 3800M 10 25 ...

Page 175: ...SMP3 SMP4 FO 3800M 10 26 ...

Page 176: ...SMP5 SMP6 a b D FO 3800M 10 27 ...

Page 177: ...SMP7 SMP8 FO 3800M 10 28 ...

Page 178: ...SMP9 SMP10 SMP11 Streaks and dots in the pitch of about 78mm Streaks and dots in the pitch of about 45mm FO 3800M 10 29 ...

Page 179: ...sesti 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 instructi...

Page 180: ...86 Japan 1999 November 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 FO 3800M ...

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