Sharp JX-8200 Service Manual Download Page 153

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6. Optical section

(1) Optical unit

Remove the upper cabinet.

Remove two connectors from the optical unit and remove the
optical unit. (Refer to the A-1.)

7. Drive section

(1) Main charger electrodes

Remove the right cabinet, the rear cabinet, and the upper cabinet.
(Refer to the A-1/2/3.)

Remove the cables of the grid bias electrode, the main charger
electrode, and the GND electrode.

Remove the drive section cover.

Remove the grid bias electrode, the main charger electrode, and
the GND electrode.

Optical unit

Connector

Screw

Cables

Screw

Drive section cover

GND electrode

Grid bias
electrode

Main charger
electrode

SHARP SERVICE MANUAL JX8200SM [12] DISASSEMBLY AND ASSEMBLY

12 – 21

Summary of Contents for JX-8200

Page 1: ...e and drum cartridge 3 Do not look into the laser beam exposure slit of the laser optical unit with the connector connected when removing and installing the optical system 4 The upper frame and the middle frame contains the safety interlock switch Do not defeat the safety interlock by inserting wedges or other items into the switch slot CLASS 1 LASER PRODUCT LASER KLASSE 1 LASER WAVE LENGTH 780 10...

Page 2: ...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 qualified personnel The fusing unit is hot Exercise care when inspecting it Do not switch the printer rapidly on and off After turning the printer off wait 10 to 15 seconds before turning it back on Printer power mus...

Page 3: ...1 8 ADJUSTMENTS 8 1 1 Drive section 8 1 2 Optical section 8 4 3 Power unit adjustments 8 5 4 Transfer drum OPC drum contact pressure adjustment 8 8 5 Margin setting 8 11 6 ICU PWB flash memory PWB setting 8 12 9 OPERATION CHECK 9 1 1 Outline purpose 9 1 2 Cases where the check is required 9 1 3 Necessary tools 9 1 4 Precautions 9 1 5 Details procedures 9 1 10 DIAGNOSTICS 10 1 1 General 10 1 2 Diag...

Page 4: ...rinting process 7 PostScript level 2 PCL5CE Compatible PS2 PCL5e Font Operation panel control Frame Buffer PJL AUTO Switching Host I O Manager RS232C Apple Talk Ext I O Driver 1284 Driver 1284 Port External I O Port NIC RS232C Port Printer Engine Application GDI Graphic Module Printer Driver PS PCL Others Print Spooler RS232C Ethernet Port 1284 Port Application Quick Draw Printer Driver Firmware W...

Page 5: ...e toner box Photo Conductor unit Black Developer unit Oil roller Fuser Unit Ozone filter Printer Unit Paper cassette Consumable parts Toner Developing unit OPC drum Fusing unit Fuser cleaner kit Color toner C Color toner M Color toner Y Black toner Color developing unit Black developing unit Fusing unit Fusing cleaner Oil bottle Waste toner box OPC drum unit Ozone filter 2 1 SHARP SERVICE MANUAL J...

Page 6: ...ion Apple Talk RS232C Interface Board Option 8MB PS2 2MB 6MB Flash Memory Local Talk Interface Mini DIN 8pin RS232C Interface Dsub 25pin Local Talk Interface Connector RS232C Interface Connector Engine Interface Connector External Interface Connector for Local Talk RS232C I F PWB and Network PWB Bi directional Parallel Interface Connector Flash memory Connector x2 4MB 8MB 16MB x2 72pin SIMM Socket...

Page 7: ...capacity modules can be attached to the slots Therefore the following two combinations are allowed 16MB 1 16MB 2 Note Some of the ED0 type cannot be used C Font PCL5EC 45 outline fonts 1 True Type fonts 44 Micro Type fonts 1 bitmap font PS2 35 outline fonts 35 Type 1 fonts D Option 1 Paper feed unit Name Model name Content Option paper feed unit JX 80SU Additional paper feeder excluding cassette U...

Page 8: ... Transparency film and Envelope Print only black for Envelope and thicker paper above the 91 g m2 up to 128 g m2 Normal paper Size Dimensions Weight A4 210 297 mm 60 g m2 16 lb to 128 g m2 21 lb Letter 81 2 11 215 9 279 4 mm Legal 81 2 14 215 9 355 6 mm Invoice 51 2 81 2 B5 182 257 mm A5 148 5 210 mm A4 210 297 mm Max paper size Max width 216 mm 81 2 Max length 356 mm 14 Min paper size Min width 9...

Page 9: ...em Compulsory separation by the separation pawl 6 Fusing section 1 Fusing system Heat roller pressing system 2 Heat roller specifications Upper heat roller 30 Φ silicone rubber Lower heat roller 30 Φ silicone rubber 3 Heater lamp Halogen lamp 800W 4 Fusing temperature It automatically changes depending on the ambient temperature It differs in the OHP mode and in the normal mode 5 Temperature contr...

Page 10: ...ion paper feed 1 color 4 color 1 color 4 color Legal 26 40 12 3 Letter 25 39 Ditto Ditto Invoice 23 39 Ditto Ditto A4 25 39 Ditto Ditto A5 24 40 Ditto Ditto When print sequence is Black to Yellow Print out time and Print Speed is same as 3 color Print speed calculation is taken from start printing and paper output are completed In this case the measurement does not include the processing time of c...

Page 11: ...calTalk RS 232C Serial Interface Board Optional Ethernet Board 4 Software Printer Driver Utility Windows PCL5EC Windows 3 1 Windows 95 PostScript level 2 Windows 3 1 Windows 95 MAC PostScript level 2 Printer Language This controller supports the following emulations PCL5EC Emulation will be done according to the specifications of PCL5E which is implemented in HP LJ4MPlus and PCL5C which is imple m...

Page 12: ...ing condition Condition where supplies are set in the machine and the machine is left in the room with power off 5 C 40 C 10 RH 90 RH No dewing shall remain Storage condition packed in the packing material Max alteration 15 C hour 15 RH hour No dewing shall remain Machine Supply Transport condition pack in the packing material Max alteration 20 hour 15 RH hour No dewing shall remain Machine Supply...

Page 13: ...onth 9 Others Acoustic Noise Printing less than 53 dBA Stand by mode less than 43 dBA measurement according to ISO7779 Ozone Concentration Less than 0 05 ppm measurement according to UL 1950 D3 17 2 Less than 0 05 mg m3 measurement according to RAL UZ 62 3 2 2 Annex 2 apply Blue Angel standard copying machine Dimension weight Width Depth Height Weight Print engine 477 18 8 419 16 4 414 16 3 42 kg ...

Page 14: ...aramond Kursiv Halbfett Marigold Letter Gothic Letter Gothic Bold Letter Gothic Italic 1 bitmap Compatible with HP LaserJet4 Line Printer Bitmap Font Stick Font for HP GL 2 PS2 35 outline fonts Type 1 Fonts Compatible with Adobe Type1 font ITC Avant Garde Gothic Book ITC Avant Garde Gothic Book Oblique ITC Avant Garde Gothic Demi ITC Avant Garde Gothic Demi Oblique ITC Bookman Demi ITC Bookman Dem...

Page 15: ...ages Fusing unit The usable life is calculated based on the printing of letter sized pages at a toner coverage of 5 One cycle corresponds to one color printed on a letter sized page Therefore one page printed with four colors counts as four cycles 2 Recommended paper The following papers are described as recommended paper for either letter semi universal cassette or A4 semi universal cassette Inch...

Page 16: ...2 Power voltage Measure the voltage during copying to check that it is the rated voltage 10 If the above condition is not satisfied use thicker wire to reduce the impedance There is another way to use a step up transformer the capacity of which should be more than the max power consumption of the machine 3 Power frequency waveform The frequency fluctuation should be within 2 of the specified frequ...

Page 17: ... surface of the drum green surface will be damaged resulting in poor print quality 3 Always store spare toner cartridges developer units or drum cartridges in a dark location without removing them from the boxes they came in 3 Unpacking 1 Cut the packing straps and tape that hold the top portion of the box onto the printer package and lift off the top portion 2 Lift off the top Styrofoam packing t...

Page 18: ... people to carry Do not attempt to carry it by yourself or allow anyone else to do so 5 Connect the connection cable from the back of the secondary feeder to the secondary feeder power connector on the back of the printer 6 Remove the universal cassette from the secondary feeder and load the paper 7 Reconnect the power and interface cables and turn on the printer After the printer warms up the con...

Page 19: ...the power cable and computer interface cable 2 Locate the two retaining screws that attach the controller board at the back of the printer and turn the screws in the direction of the arrows shown 3 Carefully slide out the controller board and set it down on a clean flat table B Installation of Memory SIMM 1 Remove the controller board from the printer 2 Remove the new SIMM from its packaging 3 Ins...

Page 20: ...d in step 2 attach the interface board to the back cover plate 6 Setup 1 Removing the Protective Covers and Pins in the Printer 1 Open the front cabinet by depressing the front cabinet release grips on both sides and pulling the cabinet towards you 2 Open the top rear cover of the printer by pulling back the top rear cover release button located on its right side After releasing the cover raise it...

Page 21: ...ttom of the toner cartridge into the slot on the rear side of the black toner box CAUTION If the grooves on the bottom of the toner cartridge do not fit with those on the top of the toner box the toner cartridge is not of the correct type Do not force the toner cartridge into the toner box 3 Slide the toner cartridge inside the grooves all the way towards you 4 Pull out and remove the toner releas...

Page 22: ...inside it rattles vigorously up and down and left to right eight to ten times 2 Place the toner cartridge on top of the matching colour toner compartment of the color developer Make sure that the teeth mesh with the grooves of the toner compartment CAUTION If the grooves on the bottom of the toner cartridge do not fit with those on the top of the toner compartment the toner cartridge is not the co...

Page 23: ...the Drum Cartridge 1 Remove the new drum cartridge from its bag 2 Hold the new drum cartridge by its handles with the lock levers facing towards you 3 Slide the guides on both sides of the drum into the grooves on the inside walls of the printer Gently push the drum cartridge into place until it is firmly seated 4 Push the lock levers on both sides of the drum cartridge upwards and lock the drum i...

Page 24: ...or future use When REPL OIL BOTTLE appears in the display of the control panel replace the used oil bottle with the one in storage 1 Remove the oil bottle from its protective bag Hold the cap of the oil bottle by its handle and remove the cap from the oil bottle 2 Hold the bottle while squeezing the lock lever located on the middle of its rear side Then securely insert the oil bottle into the fusi...

Page 25: ...e before loading the paper 2 Press down on the metal plate inside the universal cassette until it clicks into place 3 If you need to change the paper size of the universal cassette then you need to change the position of the vertical and horizontal guides to match that of the desired paper size The procedure for adjusting the guides is given below Adjusting the vertical guide 1 Lift out the inside...

Page 26: ...ace you will be using NOTE The interface cable is not supplied with your printer You must purchase the cable of the required length and specifications depending on your application 1 Centronics Parallel for PC AT Compatible Computers To connect the interface you will need a standard parallel printer cable NOTE To comply with FCC Class B or VDE 0871 and 0875 requirements you need a shielded grounde...

Page 27: ...inter can be connected to an AppleTalk net work for Macintosh computers In this situation the necessary Local Talk cabling and LocalTalk connector boxes will be needed For more information refer to the manuals that came with your Apple Talk network software CAUTION Before installing the interface to the printer be sure to Turn the printer off Remove the power cord and all other cords attached to t...

Page 28: ...r cassettes 7 Key button Used for various settings and diagnostic operations 8 Display Displays various data on printer engine set values counter values control values and messages 9 Paper feed unit option Performs the same capacity of paper feeding as the standard paper feed unit 10 Paper cassette option Stores paper B Paper cassette No Part name Function operation 1 Pressure spring Applies a con...

Page 29: ...ey has no effect when the printer is on line 6 é KEY Press to change the set value of an item of a menu of the printer control software This key has no effect when the printer is on line 7 ü KEY 8 ENTER KEY SET KEY Press to save the value selected with the é and ü keys into the printer s memory This key has no effect when the printer is on line 9 ONLINE LAMP On The printer is on line and ready The...

Page 30: ...rs 3 Parallel interface connector Parallel I F connector 50 pin 4 Connector for option paper feed unit The drive signal is supplied from the main body and the sensor detecting signal from the option paper feed unit The cable transmits these signals 5 Power switch 3 2 1 5 4 SHARP SERVICE MANUAL JX8200SM 6 EXTERNAL VIEW AND INTERNAL STRUCTURE 6 3 ...

Page 31: ...the positions of the paper and the images 13 Paper pick up roller clutch Turns on off the connection between the paper feed motor and the paper pickup roller 14 Paper pick up roller clutch solenoid Turns on off the paper pickup roller clutch 15 Paper pick up roller Picks up the paper and passes it to the transport roller 16 Paper empty detector Detects the presence of paper in the paper cassette 1...

Page 32: ...s 7 Paper pick up roller clutch Turns on off the connection between the paper feed motor and the paper pickup roller 8 Paper pick up roller clutch solenoid Turns on off the paper pickup roller clutch 9 Paper transport roller clutch Turns on off the connection between the paper feed motor and the transport roller 10 Paper empty detector Detects the presence of paper in the paper cassette 11 Paper f...

Page 33: ...llimator lens Makes the light emitted from the laser diode be parallel beams and send the beams to the scanning mirror 7 Scanning mirror unit The six rotating mirrors scan the laser beams to form the line image 8 Filter Prevents laser beams from being reflected 9 fθ lens No 1 Corrects the pitch and the form of laser beams Without this correction the pitch and the form of laser beams may be deforme...

Page 34: ...ain charger discharging plate electrode Supplies a voltage to the main charger discharging electrode saw tooth 8 Cleaner brush This rotating brush removes residual toner and foreign materials from the OPC drum 9 Waste toner transport screw Transports waste toner to the waste toner bottle 10 Toner seal B Prevents waster toner from dropping from the cleaner section 11 OPC drum This is charged by the...

Page 35: ...opper unit 9 3 20 5 21 11 12 34 6 15 14 15 32 7 19 33 10 8 13 1 2 13 14 15 15 15 28 27 26 19 21 29 30 31 22 23 24 33 34 4 7 8 9 10 12 11 2 3 1 32 25 20 16 18 17 SHARP SERVICE MANUAL JX8200SM 6 EXTERNAL VIEW AND INTERNAL STRUCTURE 6 8 ...

Page 36: ...ler M 18 Toner supply roller C 19 Developing shutter C Makes contact with the developing roller and separates from it to make developer adhere to the developing roller and remove developer from it 20 Developing shutter Y 21 Developing shutter M 22 Developing shutter arm Y Transmits power to the developing shutter for opening and closing 23 Developing shutter arm M 24 Developing shutter arm C 25 Co...

Page 37: ...ring screw A Stirs developer and toner to provide uniform toner density and charge toner at the same time 7 Developer stirring screw B 8 Developer stirring screw C 9 Developing shutter arm Transmits power to the developing shutter for opening and closing 10 Doctor Controls the amount of developer on the developing roller to be proper level This maintains the developing density at proper level 11 D...

Page 38: ...ects paper jams 13 Ozone filter Absorbs ozone generated in the high voltage discharging 14 Fusing unit drive motor Drives the fusing unit and the transfer drum cleaner 15 Cleaner clutch solenoid Controls on off of the cleaner clutch 16 Cleaner clutch Controls on off contact and separation with from the transfer drum of the cleaner unit Driven by the fusing motor 17 Cleaner brush clutch Controls on...

Page 39: ...henomenon to absorb oil in the oil tank and apply oil to the fusing roller 10 Oil blade Maintains the amount of oil applied to the oil roller by the oil felt at a constant level maintaining the amount of oil on the fusing roller 11 Fuse Used to detect whether the fusing unit is a virgin one or not When a virgin fusing unit is installed the fuse is blown to reset the fusing counter 12 Oil roller Ap...

Page 40: ...J Drive section 31 29 27 30 28 16 25 26 24 16 16 17 18 19 22 23 20 21 14 15 13 12 10 11 9 1 2 3 4 7 8 5 6 32 SHARP SERVICE MANUAL JX8200SM 6 EXTERNAL VIEW AND INTERNAL STRUCTURE 6 13 ...

Page 41: ...loping clutch power to the developing roller Y 18 Developing roller drive coupler M Transmits the developing clutch power to the developing roller M 19 OPC drum drive coupler Transmits the transfer OPC drum motor power to the OPC drum and the transfer drum 20 Developing roller drive coupler BL Transmits the developing clutch power to the developing roller BL 21 Main charger grid electrode Connects...

Page 42: ... connector Connects the color developing unit and the PCU PWB and the high voltage PWB 3 Black developing unit connector Connects the black developing unit and the PCU PWB and the high voltage PWB 4 OPC drum PWB electrode Connects the OPC drum detection fuse PWB and the PCU PWB 2 1 4 3 SHARP SERVICE MANUAL JX8200SM 6 EXTERNAL VIEW AND INTERNAL STRUCTURE 6 15 ...

Page 43: ...Electric parts A Switches sensors detectors 20 23 25 24 22 19 18 17 16 12 11 10 9 8 2 21 3 4 5 6 21 31 29 1 28 27 26 13 14 15 7 30 SHARP SERVICE MANUAL JX8200SM 6 EXTERNAL VIEW AND INTERNAL STRUCTURE 6 16 ...

Page 44: ...d to detect whether the installed DV unit is a virgin one or not When a virgin black developer unit is installed the fuse is blown to reset the black developer counter 16 Transfer drum home position sensor Transmission photo sensor Detects the transfer drum home position Each control timing is determined according to this sensor signal 17 Paper empty detector PE Transmission photo sensor Detects t...

Page 45: ...developing motor and the developing roller BL 10 Lift clutch solenoid Solenoid Turns on off the lift cam clutch The operation of ON OFF ON OFF is performed one print operation This operation stops the lift cam at every 120 degrees 11 Resist roller clutch Magnetic clutch Turns on off the connection between the paper feed motor and the resist roller Controls the timing of attracting the paper onto t...

Page 46: ...print command to the PCU PWB Also sends the status data of the printer to the host 5 SIMM memory PWB x2 Option 6 Discharge lamp PWB Radiates lights onto the OPC drum to discharge residual charges on it 7 Power PWB Supplies the DC power and controls the fusing heater 8 PCU PWB Controls the printer engine 9 High voltage PWB Supplies the high voltage to the developing bias the main charger and the tr...

Page 47: ... Fusing unit drive motor power 24V fuse Fuse2 PCU PWB Hybrid type 7 Main motor paper feed motor power 24V Fuse Fuse1 PCU PWB Hybrid type 9 Toner motor power 24V fuse Fuse3 PCU PWB Hybrid type 10 Color developing cartridge initialize fuse Cyan toner density sensor PWB Color developing unit Chip type 11 Black developer cartridge initialize fuse Black developing unit Chip type 12 OPC drum cartridge i...

Page 48: ... toner bottle 3 Color toner bottle 4 Color developing unit 5 Ozone filter 6 Fusing unit 7 Fuser cleaner 8 Black developing unit 9 Waste toner bottle 10 Oil bottle 6 7 8 1 9 2 3 4 5 10 SHARP SERVICE MANUAL JX8200SM 6 EXTERNAL VIEW AND INTERNAL STRUCTURE 6 21 ...

Page 49: ...tions 1 Power On Sequence After Power On the printer enters the following sequence NO YES YES NO NO YES POWER ON CHECK CRDY SIGNAL CRDY IS LOW GET CONFIG SELFTEST PASS INITIALIZE ERROR JOB PROCESS Ready condition RESET 7 1 ...

Page 50: ...ted computers When off line the software menus can be accessed and infor mation cannot be received by the printer FORM FEED Press to eject any data that remains in the printer memory This key has no effect when the printer is on line RESET Press to erase all data that remains in the printer memory This key has no effect when the printer is on line MENU Press to access a menu of the printer control...

Page 51: ...ING UP 2 LCD EMUL XX LED Error Supply Data OnLine LED Error Supply Data OnLine OFF OFF OFF Flashing OFF OFF ON 3 LCD OFFLINE 4 LCD ERROR XX LED Error Supply Data OnLine LED Error Supply Data OnLine OFF OFF OFF ON OFF OFF 6 LCD SETTING LIST or FONT LIST 5 LCD PRINTING MENU LED Error Supply Data OnLine LED Error Supply Data OnLine OFF ON OFF OFF OFF OFF 7 LCD OFFLINE LED Error Supply Data OnLine OFF...

Page 52: ...ne OFF Flashing ON OFF ON ON Standby No data 1 Receiving and analyzing data 2 Receiving analyzing and printing data 4 Analyzing and printing data 5 Analyzing data 3 Standby Data present 6 Data present Data reception ends No Display List Data reception ends Display Listpresent Data reception begins Print begins Printing of Display List ends Data reception ends Data reception begins Analyzing ends P...

Page 53: ... the SERIAL MENU To the PRINTING MENU Note 1 Note 2 Note 3 Note 4 Note 1 Note 1 Denotes optional menus From the TEST MENU LINE MENU ITEM MENU ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM MENU MENU MENU MENU ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM ITEM MENU MENU MENU MENU COPIES ITEM ITEM ITEM ITEM ITEM ITEM I...

Page 54: ... key all messages and menus are changed to the selected language c PS MENU VM SMALL LARGE Sets the VM size of the PostScript emulation STARTPAGE OFF ON Sets to output a test page at power on POWERSMOOTH OFF ON Sets the default screen of the PostScript emulation If POWERSMOOTH ON the printer uses the error diffusion with text and uses the enhanced dither with other object POWERSMOOTH OFF the printe...

Page 55: ... support only PS This Menu always sets PS2 mode NETWORK ON OFF If NETWORK ON enable the use of the Ethernet port If NETWORK OFF disable the use of the Ethernet port indicates factory default value f TEST PRINT Menu SETTING LIST Print the TEST PAGE PCL FONT LIST Print the PCL font list sample on the page PS FONT LIST Print the font list sample PCL DEMO PAGE Print the PCL demo page on the page PS DE...

Page 56: ... ENGLISH ENGLISH JAPANESE RESOLUTION 600 600 600 DL SMALL SMALL N A SYM SET ROMAN 8 ROMAN 8 N A FONT NUMBER 0 0 N A FORM LENGTH 60 64 N A PITCH 10 00 10 00 N A PT SIZE 12 00 12 00 N A VM SIZE SMALL SMALL SMALL START PAGE OFF OFF OFF POWERSMOOTH OFF OFF OFF PARALLEL ON ON ON EMULATION AUTO AUTO PS2 HIGH SPEED ON ON ON ADV FUNCTION ON ON ON SERIAL ON ON ON EMULATION AUTO AUTO PS2 BAUDRATE 9600 9600 ...

Page 57: ...ure Heater lamp control There are five modes of fusing temperature control and one of them is selected depending on the print mode and the printer state Printing Ready Ready Sleeping Warmup Mode Polygon Mode Fuser Temp Polygon Timeout Default 3 min Sleep Timeout Default 30 Min SLPON SLPOFF Typically 3 Min YES NO NO YES NO YES YES NO POWER ON MODE 1 149 Ccontrol Warmup Is printing of 5 sheets or mo...

Page 58: ... C 126 ON 136 143 1 0 OFF C ON 146 1 0 OFF C C 1 0 131 1 0 158 1 0 MODE 1 Warm up MODE 2 Print 1 Heater lamp control mode Fusing temperature MODE 5 Sleep MODE 4 Print OHP MODE 3 Print 2 Idling Fusing temperature Fusing temperature Fusing temperature Fusing temperature OFF 7 10 ...

Page 59: ...0 or above Does not stop Waste toner box full or NO Waste toner box NO Not installed Stops Waste toner box full Stops Fusing oil life over 50 or above after the oil empty sensor senses life over Stops Near end Life Count up condition Photoconductor 45000 50000 1 count up for 1 image exposure Yellow developing unit 27000 30000 1 count up for 1 image develop Magenta developing unit 27000 30000 1 cou...

Page 60: ...hen the developing shutter clutch is disassembled or replaced When the developing shutter clutch solenoid is disassembled or replaced When a trouble occurs in the developing shutter When developer toner splashes from the developing unit When the print density is low Insufficient quantity of toner and developer on the developing roller When the print colors are dark and unclear When the print color...

Page 61: ...etween the actuator and the solenoid attraction surface If the adjustment is properly made the clutch lever tip makes contact with the outside hook section of the clutch sleeve when the developing shutter clutch solenoid is turned on and the clutch lever tip makes contact with the internal hook side when the developing shutter clutch solenoid is turned off Therefore the shutter is opened when the ...

Page 62: ...ustment 1 Outline purpose The four developing shutters in the developing sections are opened closed by one clutch Therefore the open close angles of the four shutters must be aligned for one clutch to open close all the four This adjustment is performed by changing the engagement of gears of the developing shutter drive system 2 Cases where the adjustment is required When the drive section is disa...

Page 63: ...ent quantity of developer and toner on the developing roller The print colors are dark and unclear The print color balance is improper In the worst case all the developing shutters are kept opened In that case four color developer and toner are mixed and normal color reproduction cannot be performed In such a case the developing unit must be replaced 2 Optical section A Scanner unit position angle...

Page 64: ... adjustment 4 POFF signal output detection level adjustment A Tools requried for adjustment Digital multi meter Voltmeter 1 unit Load resistor 1 25 Ω 30W or more 3 3 Ω 200W or more 1 each Wire with clip 4 pcs VR adjustment screwdriver small AC power voltage adjuster Slidac transformer continuous variation type 1 unit B Cases where the adjustment is required 1 When the power unit is repaired when a...

Page 65: ...ion detection level adjustment 1 Set the 5V and 24V power outputs to non load state 2 Input the rated power voltage to the primary side AC Turn on the power Measure the voltage across resistor R784 Suppose the measured value is X 3 Calculate the adjustment voltage Y from the formula below Y X 0 13 4 Set the voltmeter between 16pin of ICM704 and GND R777 and turn and adjust RV703 so that the output...

Page 66: ...lockwise and stop it when the 24V power is turned off 4 POFF signal output detection level adjustment 1 Connect 0 1A load 50 Ω 2W to the 5V power Connect a resistor of 50 Ω 2W across resistor R777 between 5V and GND Set the 24V power to non load state 2 Set the voltmeter or oscilloscope between the POFF signal Connector CN703 7pin and GND 3 Set the AC power input voltage to 61V 100V series 122V 20...

Page 67: ...ges on the OPC drum a Enter the normal diag mode While pressing the MENU key and the ENTER key turn on the power b Select the TEST PRINT mode with the MENU key c Press the FORM FEED key Color print mode Color printing is started d In the above procedure paper is passed and the LCD dis play turns from P XXX H XXX T XXX to P XXX H XXX CT XXX Then after 2 sec turn off the power switch 2 Open the tran...

Page 68: ...tion of the printer 10 Measure the width of cyan images on the right and left attached to the paper 10 20mm 10 20mm White sheet Transfer drum OPC drum Paper lead edge LB LA 35 5mm 35 5mm Paper If the cyan image width is in the following range it is normal The adjustment value varies depending on the ambient temperature Be sure to check the ambient temperature before adjustment Ambient temperature ...

Page 69: ...ransfer drum 15 Remove the OPC drum from the printer body and manually turn the OPC drum gear section in the arrow direction to shift the cyan image on the OPC drum by about 15mm Note Be sure to turn the gear section in the arrow direction If it is turned reversely the cleaning blade in the OPC drum unit or the OPC drum itself may be damaged 16 Install the OPC drum to the printer body 17 Perform p...

Page 70: ... 1 600 inch Margin setting by key operation After turning on the power and while the four LED s are blinking press the MENU key and é key together and the machine will enter the adjustment mode of the top margin and the left margin KEY Operation LINE Exit MARGINE MENU and goes to normal printer operation FORM FEED Invalid RESET Invalid MENU Invalid ITEM Items of the current menu and their set valu...

Page 71: ... the short pins on the flash memory as shown below The jumpers J401 404 are different depending on the destination Set them according to the destination When the flash memory is extended short jumpers J 402 403 pin 1 2 2 Flash memory rewriting a Necessary items Windows personal computer IDT Sim 5 2L ROM 1 set IC22 IC23 IDT Sim exclusive use cable b IDT Sim initializing 1 Insert IDT Sim 5 2L ROM in...

Page 72: ...ve use cable to the 9 pin connector COM1 of the personal computer 6 Start Windows 7 Start the terminal software of Windows Perform setting of the host side serial port for communication with the printer ICU PWB Incase of Windows3 1 Start the terminal in the accessory and open Idt trm In case of Windows95 Open Idssim ht in the hyper terminal in the accessary Open the communication item in the setti...

Page 73: ...n All Tests 2 Memory Test 3 Cache Test 4 System Test 5 TLB Test 6 FPU Test 7 Set Options 8 History 9 Loop On All Tests a Flash Test b NVRAM Test c AppleTalk RS232C Test d Engine Test e Flash Program Help Q Quit Memory Range 0xa0011294 0xa17ffffc Active Tag Line mask 0xfffff000 FPU Extern Int Line 3 D e Enter enter source address bf400000 Enter enter destination address bec00000 Enter enter length ...

Page 74: ...ry jumpers as shown below J401 1 2 J404 2 3 J402 2 3 J403 2 3 4 Turn on the power and check that the operation is performed normally B ICU PWB setting 1 ICU PWB short pin JP1 setting Operation JP1 state NOTE Boot from Flash Memory OPEN Japan specifications Boot from PROM SHORT EX specifications SHARP SERVICE MANUAL JX8200SM 8 ADJUSTMENTS 8 15 ...

Page 75: ...ine purpose Measure the main charger current to check for an overcurrent or an insufficient current The current value affects the OPC drum surface potential charging amount 2 Details 1 Disconnect the plug wire side from the main charger output ter minal on the high voltage PWB 2 Connect the digital multi meter current side between the main charger output terminal on the high voltage PWB and the pl...

Page 76: ... MAIN CH mode with the MENU key 2 Select the BL CD MD YD BIAS mode with the ü key and é key 3 Press the FORM FEED key to turn on the developing bias It can be turned off with the RESET key 4 Set the output level to 400 with the ü key and é key 5 Measure between the developing bias output the color selected in 2 on the high voltage PWB and the ground chassis with the digital multi meter 6 Check tha...

Page 77: ...be outputted and check that the proper current is outputted 2 Details 1 Remove the discharger high voltage PWB 2 Remove the output wire the discharger high voltage PWB 3 Connect a resistor of 200 MΩ and the digital multi meter current range between the discharger high voltage PWB output wire and the chassis 4 Enter the normal diag mode and select VOL TEST MAIN CH mode with the MENU key 5 Select th...

Page 78: ...e 04 SWITCH SCAN 04 Detection line 05 SWITCH SCAN 05 3 Laser scanning unit operation check If there is any abnormality the error display is made OPTICAL SYS TEST 4 High voltage unit charger unit operation check High voltage unit output voltage adjustment Main charger grid voltage not adjustable VOL TEST MC VOL TEST MC Transfer charger voltage VOL TEST TC OHP TRANS XXXX PLAIN TRANS XXXX Developing ...

Page 79: ...UNTER SET YTON YTON XXXXXXXX Magenta toner supply time sec COUNTER SET MTON MTON XXXXXXXX Cyan toner supply time sec COUNTER SET CTON CTON XXXXXXXX Black toner supply time sec COUNTER SET KTON KTON XXXXXXXX Fuser oil print quantity COUNTER SET OIL OIL XXXXXXXX 8 Motor operation check Paper feed motor MOTOR TEST OPC drum transfer drum motor Fan motor Power supply unit section Scanning motor Fan mot...

Page 80: ...loping motor error counter COUNTER SET2 DVM DVM XXXXXXXX 2 Checking toner concentration control level Yellow toner concentration control level TONER LEVEL YTON TONER LEVEL YTON YTON XXX Magenta toner concentration control level TONER LEVEL MTON MTON XXX Cyan toner concentration control level TONER LEVEL CTON CTON XXX Black toner concentration control level TONER LEVEL KTON KTON XXX 3 Checking each...

Page 81: ...UNTER LIM FSU FSU XXXXXXXX Developing unit life toner supply time Y COUNTER LIM YTON YTON XXXXXXXX Developing unit life toner supply time M COUNTER LIM MTON MTON XXXXXXXX Developing unit life toner supply time C COUNTER LIM CTON CTON XXXXXXXX Developing unit life toner supply time BL COUNTER LIM KTON KTON XXXXXXXX Fusing oil life COUNTER LIM OIL OIL XXXXXXXX OPC drum unit life warning COUNTER DRUM...

Page 82: ...ng Scanning unit operation Output mode selection DATA LED blinking Charger voltage developing bias voltage output Output voltage change TC BS only Operating condition setting Counter kind selection Toner supply quantity each unit print counter Set value change Value setting RESET RESET MOTOR TEST MENU CLUTCH TEST MENU RESET RESET MENU 00 DOP 01 PE 02 PS3 03 EXPE 04 EXPUSD 05 PSJAM HFIN PS0 PS4 EXP...

Page 83: ...er error counter Value changing Developing unit selection Value setting Toner density control level Value changing Print color selection Value setting Print density level Time out mode selection Value setting Value changing Time out time Value changing Key operation check ON OFF LINE RESET F F MENU COUNTER LIM DRUM COUNTER LIM XXXX ENTER DRUM 9999999999 DRUM 0000000000 MENU MENU RESET RESET ITEM F...

Page 84: ...hine will return to the normal mode with PCU DIAG MODE displayed Then press the FORM FEED PAPER EXIT key again to return to the normal print mode 5 Details A Normal diagnostics mode 1 PCU ROM version display a Menu display PCU DIAG MODE b Details When the machine enters the PCU diagnostics mode home posi tion the PCU ROM version is displayed In PCU DIAG MODE display the PCU ROM version is displaye...

Page 85: ...m sheet sensor Active high TDPOS Transfer drum home position sensor Active high GAMMA Image density sensor Analog signal PSJAM OHP JAM Separation sensor Active low OILSN Oil sensor Active high CLJAM Transfer drum cleaner section jam Active low Paper size and sensor operation Standard paper feed unit Sensor Paper size PS0 PS1 PS2 PS3 PS4 A5 ON OFF OFF OFF OFF INVOICE OFF ON OFF OFF OFF LETTER OFF O...

Page 86: ...et ting the operational conditions press the FORM FEED PAPER EXIT key During warming up and printing P XXX H XXX fusing tempera ture level and X T XXX toner concentration level are displayed The value of H XXX is not the actual temperature In X T XXX the left edge digits shows the kind of the developing unit which is being stirred The three digit figure shows the toner con centration level of the ...

Page 87: ...XXXXX Jam counter COUNTER SET2 JAM JAM XXXXXXXX Scanning unit error counter COUNTER SET2 OPC OPC XXXXXXXX Main motor error counter COUNTER SET2 MAM MAM XXXXXXXX Scanning motor error counter COUNTER SET2 PLM PLM XXXXXXXX Abnormally high fusing temperature error counter COUNTER SET2 HLM HLM XXXXXXXX Abnormally low fusing temperature error counter COUNTER SET2 HLL HLL XXXXXXXX Fusing section thermist...

Page 88: ...ing on color The greater the display value is the higher the developing bias volt age is and the smaller the display value is the lower the developing bias voltage is The greater the developing bias voltage is the higher the print den sity is Time out time DISPLAY ITEM LEVEL 1 LEVEL 2 LEVEL 3 Time required to shift to the sleep mode min TIMEOUT SET SLP TIMEOUT SET SLP SLP XXX Set to 30 min Time re...

Page 89: ...e FORM FEED PAPER EXIT key To cancel press the RESET key When the diag operation is not performed if the MENU key is pressed the menu is shifted to the next one To rotate the black toner motor press the LINE ONLINE key during operation of diag test Paper feed motor OPC drum transfer drum motor Fan motor Scanning motor Fan motor Power supply unit section Developing motor Fusing motor Color toner mo...

Page 90: ...ter kind can be selected with the v key and the w key After selecting the counter kind press the ENTER SET key to dis play the selected counter value Under this state press the RESET key to return to the counter kind selection mode When the counter value is displayed use the v key and the w key to change the counter value To select the digit to change use the MENU key To register the changed count...

Page 91: ...eloping unit and each machine varies considerably 3 Each color print density level check change The above values can be set to desired values a Menu display ID LEVEL XXXXXXX b Details Select the desired item of ID LEVEL XXXXXXX with the MENU key Use the v key and the w key to select the desired color After selecting the color press the ENTER SET key to display the print density level Under this st...

Page 92: ...XXX Set to 180 sec After completion of printing or warming up and after stopping the main motor before the next print command from the host is received if the above set time is past the printer shifts to the sleep mode and the scanning motor automatically 5 Operation panel key operation check a Menu display PANEL KEY TEST Content b Details With PANEL KEY TEST displayed turn on the manual paper fee...

Page 93: ...um unit life YDEV XXXXXXXX Developing unit life Y MDEV XXXXXXXX Developing unit life M CDEV XXXXXXXX Developing unit life C KDEV XXXXXXXX Developing unit life BL PRINT XXXXXXXX Printer life FSU XXXXXXXX Fusing unit life YTON XXXXXXXX Developing unit life Toner supply time Y MTON XXXXXXXX Developing unit life Toner supply time M CTON XXXXXXXX Developing unit life Toner supply time C KTON XXXXXXXX D...

Page 94: ...sec toner supply 1 mtim_cnt COUNTER SET MTON 0 0 99999999 Toner supply Time Toner supply counter M 1 ctim_cnt COUNTER SET CTON 0 0 99999999 Toner supply Time Toner supply counter C 1 ktim_cnt COUNTER SET KTON 0 0 99999999 Toner supply Time Toner supply counter BL 1 oil_cnt COUNTER SET OIL 0 0 999999 Fusing Number of sheets Fusing oil counter Print quality count from the oil empty state Oil presenc...

Page 95: ...is installed Excluding the correction element other than the humidity correction m_ton_lev_nv TONER LEVEL MAGENTA 80 10 230 Developing Control level Initial toner control level M c_ton_lev_nv TONER LEVEL CYAN 80 10 230 Developing Control level Initial toner control level C k_ton_lev_nv TONER LEVEL BLACK 80 10 230 Developing Control level Initial toner control level BL low_temp 15 Fusing trouble De...

Page 96: ..._cdv_nv 2 0 4 Picture quality process correction Humidity rank Humidity rank in the previous picture quality process correction color Humidity rank in the previous picture quality process correction color developing unit It is not stored in case of an error humid_kdv_nv 2 0 4 Picture quality process correction Humidity rank Humidity rank in the previous picture quality process correction black Hum...

Page 97: ...IM KTON 99999999 0 99999999 Developing Time Developing life counter BL oil_lim COUNTER LIM OIL 200 Fusing Number of sheets Fusing oil counter Fusing oil life set value Print quantity count from all empty state COUNTER DRUMN 45000 0 99999999 OPC drum No of images OPC drum unit life warning counter Life warning is made when this set value is reached COUNTER YDVN 27000 Developing Frequency No of imag...

Page 98: ... normal print mode command data are sent from the ICU to check the printer status While the PCU detects the printer condition and sends the status data the detection result to the ICU While on the printer side the PCU displays the status according to the data from the ICU Diagnostics mode In the diagnostics mode the PCU detects the printer condition and displays the status directly on the printer ...

Page 99: ...Main Body PAPER JAM UC Manual Paper Feed Section Paper Jam PAPER JAM FUSER Residual Section Paper Jam PAPER JAM Yellow Toner Empty ADD TONER Y Magenta Toner Empty ADD TONER M Cyan Toner Empty ADD TONER C Black Toner Empty ADD TONER K Paper Transpor Transfer Dum Section Paper Jam PAPER JAM DRUM Paper Feed Section Paper Jam Option Paper Feed Unit PAPER JAM LC Photo Conductor Cartridge Life Over REPL...

Page 100: ...nce conditions Developing drive system trouble motor Details causes The developing motor rotation lock signal DVMLK is not recognized Developing drive system trouble Developing motor trouble Remedies Replace the developing motor Repair the PCU PWB developing motor rotation lock signal PMTLK input circuit Repair the drive system Replace the PCU PWB Display 3 LED All LEDs are blink During printing M...

Page 101: ...e Occurrence conditions Fusing low temperature trouble Details causes The heat roller temperature does not reach the specified temperature within 60sec from turning on the power or after canceling the sleep mode The thermistor signal RTH voltage does not rise The heater lamp control signal is kept inactive Heater lamp drive circuit trouble Power supply PWB PCU PWB thermistor signal RTH input circu...

Page 102: ...ck switch Repair the drive system Replace the drive system Replace the OPC drum transfer drum motor Replace the PCU PWB Display 8 LED All LEDs are blink During printing MESSAGE SERVICE P1 During diagnostics MESSAGE 1 Section PCU PWB Content PCU ROM check sum trouble Occurrence conditions ROM trouble CPU Details causes ROM trouble CPU Remedies Replace the CPU Replace the PCU PWB Display 9 LED All L...

Page 103: ...ply toner Repair the PCU PWB toner concentration sensor signal YDSEN MDSEN CDSEN input circuit Repair the PCU PWB toner clutch control circuit Replace the toner clutch Replace the toner clutch solenoid Repair the PCU PWB toner clutch solenoid control circuit Replace the PCU PWB Display 13 LED ERROR ON SUPPLY ON During printing MESSAGE ADD TONER Toner type During diagnostics MESSAGE ADD TONER K Sec...

Page 104: ...SEN is not recognized PCU PWB black developing unit toner concentration detection signal KDSEN input circuit trouble Black developing unit toner concentration detection connector disconnection Remedies Replace the black developing unit Repair or replace the PCU PWB black developing unit toner concentration signal KDSEN input circuit Repair or replace the black developing unit toner concentration d...

Page 105: ...nput circuit trouble PCU PWB waste toner bottle full detection signal WTBS input circuit trouble Waste toner bottle installation detection sensor trouble Waste toner bottle full detection sensor trouble Remedies Replace the waste toner bottle Repair the PCU PWB waste toner bottle installation detection signal WTBS input circuit Repair the PCU PWB waste toner bottle full detection signal WTBS input...

Page 106: ...d within 4 sec from outputting the separation pawl ON signal PSAS The paper exit detector is kept active for 8 5sec Paper exit detector POUT trouble PCU PWB paper exit detector signal input circuit trouble Separation pawl separation solenoid operation trouble PCU PWB separation pawl control circuit trouble Fusing roller trouble dirt damage Excessive adhesion of oil on the fusing roller Paper exit ...

Page 107: ...nsfer charger power high voltage power unit trouble PCU PWB transfer charger control circuit trouble Lift mechanism section trouble Lift clutch trouble PCU PWB lift clutch control circuit trouble Transfer charger electrode trouble Charger roller trouble dirt damage PCU PWB transfer charger control circuit trouble Transfer drum cleaner trouble Transfer drum cleaner clutch trouble PCU PWB transfer d...

Page 108: ...ion trouble PCU PWB lift clutch control circuit trouble Transfer charger electrode trouble Lift clutch trouble Transport roller trouble Manual paper feed detector HFIN trouble PCU PWB manual paper feed detector HFIN input circuit trouble Remedies Replace the paper detector PIN Repair the PCU PWB paper detector PIN input circuit Replace the manual paper feed detector MFIN PCU PWB Manual paper feed ...

Page 109: ... paper detector PIN input circuit trouble Paper pickup roller trouble dirt damage Paper pickup roller clutch trouble transport roller trouble dirt damage Paper feed section paper guide trouble dirt damage deformation Transport roller trouble dirt damage Remedies Repair the PCU PWB paper detector PIN input circuit Replace the paper detector PIN Clean or replace the paper pickup roller Replace the p...

Page 110: ...r guide trouble dirt damage deformation PCU PWB transport roller clutch optional paper feed unit control circuit trouble Transport roller clutch trouble optional paper feed unit Transport roller trouble dirt damage Remedies Repair the PCU PWB paper detector PIN input circuit Replace the paper detector PIN Clean or replace the paper pickup roller Replace the paper pickup roller clutch Clean or repl...

Page 111: ...circuit Repair the PCU PWB cleaner section jam detector CLJAM input circuit Repair the PCU PWB OHP sensor OHPIN input circuit Replace the paper detector PIN Replace the paper exit detector POUT Replace the image density sensor GAMMA Replace the manual paper feed sensor HFIN Replace the separation jam detector OHPJAM Replace the cleaner section jam detector CLJAM Replace the OHP sensor OHPIN Replac...

Page 112: ...agnostics MESSAGE 1 Section Paper feed Optional paper feed section Content Paper empty either both in the standard paper feed unit and in the optional paper feed unit With the optional paper feed unit installed Occurrence conditions Same as Paper out LOW UPPER Details causes Same as Paper out LOW UPPER Remedies Same as Paper out LOW UPPER Display 32 LED SUPPLY ON LINE ON During printing NEAR END S...

Page 113: ...terface PWB trouble Fusing unit oil sensor signal line connector disconnection Remedies Supply oil Repair the PCU PWB oil sensor signal input circuit Replace the oil sensor Clean the oil sensor Clean the oil tank Replace the interface PWB Repair or replace the fusing unit connector Display 36 LED All LED s blink During printing Message SERVICE S1 During diag Message Section ICU PWB Content ICU PWB...

Page 114: ...2C PWB replacement Display 41 LED All LED s blink During printing Message SERVICE S7 During diag Message Section ICU PWB POSTSCRIPT PWB Content POSTSCRIPT PWB trouble Generating condition POSTSCRIPT PWB ICU operation trouble Details cause POSTSCRIPT PWB ICU trouble Removal process ICU PWB repair replacement POSTSCRIPT PWB replacement Display 42 LED All LED s blink During printing Message SERVICE S...

Page 115: ...acement PCU PWB repair replacement Display 47 LED ERROR LED ON During printing Message PARALLEL ERROR During diag Message Section ICU PWB Content Parallel I F trouble Generating condition ICU PWB parallel I F section trouble Details cause ICU PWB parallel I F section trouble Removal process ICU PWB repair replacement Display 48 LED ERROR LED ON During printing Message SERIAL ERROR During diag Mess...

Page 116: ...ffer memory trouble Generating condition ICU PWB trouble Details cause ICU PWB trouble Frame buffer memory overflow Removal process ICU PWB repair replacement If download font is stored it is deleted Install an additional memory Change the VM size Display 52 LED ERROR LED ON During printing Message MEM OVER FULL During diag Message Section ICU PWB Content ICU frame buffer memory trouble Generating...

Page 117: ... jam occurs while the paper is passing the fusing section fusing is not completed the image data of that page is cleared After removing the jam the image data of the page which was not fused is sent again to be printed On the other hand when the jam recover is set to ON the image data clear timing in the printer frame buffer is delayed The page image data in the printer frame buffer is cleared aft...

Page 118: ...ce between developing roller and OPC unit OPC drum grounding failure OPC unit mechanism section defect OPC drum unit replacement High voltage PWB Main charger output failure Developing bias output failure low Transfer bias voltage failure High voltage PWB defect OPC drum grounding line contact failure High voltage PWB replacement Adjust OPC drum transfer drum nip Transfer drum section Uneven trans...

Page 119: ...Developing shutter clutch replacement Developing shutter drive gear replacement Developing roller clutch replacement OPC drum unit Too much desistance between developing roller and OPC unit Excessive nip between transfer drum and OPC unit OPC drum unit mechanism section defect OPC drum unit replacement High voltage PWB Transfer bias voltage abnormal High voltage PWB defect High voltage PWB replace...

Page 120: ...r ring failure Toner clutch defect color Toner motor defect black Developing shutter clutch solenoid position improper Developing shutter clutch defect Developing shutter drive gear defect Developing roller clutch defect Toner clutch replacement Developing shutter clutch solenoid position adjustment Developing shutter clutch replacement Developing shutter drive gear replacement Developing roller c...

Page 121: ...B defect main charger output defect abnormally high High voltage PWB replacement Base developing bias voltage level NV RAM data correction by diag Sensor Temperature humidity sensor malfunction Toner concentration sensor malfunction Image density sensor malfunction Temperature humidity sensor defect Toner concentration sensor developing unit defect Image density sensor defect Temperature humidity ...

Page 122: ...tter defect Developing unit replacement Developing unit cleaning OPC drum unit Main charge charging defect unevenness OPC drum dirt OPC drum scratch Main charger dirt OPC drum cleaning blade defect Main charger cleaning OPC drum cleaning OPC drum unit replacement Drive section Shutter ring failure Developing shutter clutch solenoid position improper Developing shutter clutch defect Developing shut...

Page 123: ...ng roller rotation failure irregular rotation Doctor gap improper Developer defect lump Developing shutter spring defect Developing shutter defect Developing unit replacement Drive section Developing section Developing roller rotation failure irregular rotation Developing shutter ring failure Developing shutter clutch solenoid position improper Developing shutter clutch defect Developing shutter d...

Page 124: ...hutter ring failure Developing roller clutch defect Developing shutter clutch solenoid position improper Developing shutter clutch defect Developing shutter drive gear defect Developing roller clutch defect Developing roller clutch replacement Developing shutter clutch solenoid position adjustment Developing shutter clutch replacement Developing shutter drive gear replacement Developing roller clu...

Page 125: ...ontrol circuit defect Print picture control data NV RAM correction by diag PCU PWB repair replacement Picture deformation friction Developing unit Contact between developer toner on the developing unit and the OPC drum Developing roller main electrode position improper Developing shutter spring defect Developing shutter defect Developing unit replacement Developing unit cleaning Replace developing...

Page 126: ...er roller lift drive section Charger roller position improper transfer drum Lift clutch defect Lift mechanism section cam gear spring defect Lift clutch adjustment replacement Lift mechanism parts replacement cam gear spring PCU PWB Lift clutch control defect Lift clutch control circuit defect PCU PWB repair replacement Discharger Transfer drum discharge insufficient Discharger defect Discharger r...

Page 127: ...ear defect Developing roller clutch defect Developing motor defect Toner clutch replacement Developing shutter clutch solenoid position adjustment Developing shutter clutch replacement Developing shutter drive gear replacement Developing roller clutch replacement Developing motor defect Optical unit Optical unit mirror lens dirt Optical unit cleaning Optical unit replacement Transfer drums section...

Page 128: ...igh voltage PWB Transfer bias voltage output failure abnormally high Discharge voltage output failure abnormally high High voltage PWB defect Transfer bias electrode section improper contact Discharge high voltage PWB defect High voltage PWB replacement Discharge bias electrode replacement Discharge high voltage PWB replacement Discharger Transfer discharge voltage failure abnormally high Discharg...

Page 129: ...rger defect dirt Too much nip between transfer drum and OPC drum OPC drum defect Main charger cleaning OPC drum unit replacement High voltage PWB Main charger output failure Developing bias output failure Transfer bias voltage failure High voltage PWB defect High voltage PWB replacement Transfer drum section Uneven transfer Transfer drum defect dirt deformation Dew Transfer voltage improper Transf...

Page 130: ...drum Main charger charging failure too high OPC drum unit mechanism section defect OPC drum defect Main charger defect Main charger cleaning OPC drum unit replacement High voltage PWB Main charger output failure too high Developing bias voltage failure too low Transfer voltage failure High voltage PWB defect High voltage PWB replacement Discharge lamp Discharge lamp light quantity insufficient Dis...

Page 131: ...n failure irregular rotation Drum drive motor defect Drum drive section gear breakage improper engagement Drum drive section belt defect belt tension improper Overload Drum drive motor replacement OPC drum drive section gear replacement Drive belt tension adjustment drive belt replacement Drive gear greasing Transfer drum Transfer drum rotation failure irregular rotation Brake plate defect Waste t...

Page 132: ...ta in memory may be destroyed B Remedies 1 Initialize the NV RAM 2 Set the reference toner concentration level 3 Perform the print quality process correction 1 Turn OFF and ON the power and wait until the machine reaches the ready state for printing After warming up the print quality process correction is performed and the necessary data for print quality control are written into memory Note If no...

Page 133: ...tor 12 11 5 Paper pick up roller Paper pick up roller clutch 12 11 6 Paper feed roller Paper feed roller clutch 12 12 E PAPER HOLD AND TRANSFER 1 Separation pawl drive joint 12 13 2 Separation pawl unit 12 13 3 High voltage PWB unit Discharge unit 12 13 4 Fusing unit wire harness 12 14 5 Transfer drum cleaner clutch solenoid 12 14 6 Transfer drum cleaner clutch 12 14 7 Transfer drum cleaner brush ...

Page 134: ...abinet 1 Remove the back cabinet 3 Cabinet R and L 1 Remove the cabinet R and L 4 Operation panel cabinet 1 Remove the operation cabinet Back cabinet Back cabinet Front lower cabinet Operation cabinet SHARP SERVICE MANUAL JX8200SM 12 DISASSEMBLY AND ASSEMBLY 12 2 ...

Page 135: ...to drop it If dropped it is very dangerous Use enough care 3 Remove the paper feed unit cover 4 Remove the cabinet R 5 Remove the front lower cabinet with care not to break the pawl 6 Transport upper cabinet 1 Remove the transport upper cabinet Transfer unit lower arm L Transfer unit lower arm R Transfer unit lower arm L Transfer drum frame Transfer drum bearing section Paper feed unit cover Front...

Page 136: ...move the power supply unit 3 PAPER FEED SECTION 1 Paper feed unit 1 Remove the paper cassette and Waste toner box in advance 2 Remove the cabinet R Refer to the A 3 3 Remove the paper feed motor 4 Remove the paper feed unit cover Black developer unit connector section Power supply unit Paper feed motor Paper feed feed unit cover SHARP SERVICE MANUAL JX8200SM 12 DISASSEMBLY AND ASSEMBLY 12 4 ...

Page 137: ... enough care 6 Remove the front lower cabinet with care not to break the pawl 7 Remove the paper feed unit 2 Paper cassette size sensor PWB 1 Remove the power supply unit Refer to the B 1 2 Remove the paper cassette size sensor PWB Transfer unit lower arm L Transfer unit lower arm R Transfer unit lower arm L Transfer drum frame Transfer drum bearing section Front lower arm Paper feed unit Paper ca...

Page 138: ...paper feed unit Refer to the C 1 2 Remove the paper empty detector Note When assembling check that the detector is securely fixed with the pawl Check that the actuator moves smoothly and is reset by the spring 6 Paper pass detector 2 PIN 1 Remove the paper feed unit Refer to the C 1 2 Remove the paper pass detector 2 PIN Note When assembling check that the detector is securely fixed with the pawl ...

Page 139: ...ch Note When assembling check that the solenoid flapper is properly connected to the sleeve Check that the cam stops at the normal position When as sembling be careful not to mistake the pick up clutch spring counterclockwise winding and the charger roller cam spring clockwise spring 10 Paper transport roller 1 Remove the paper feed unit Refer to the C 1 2 Remove the waste toner sensor cover and r...

Page 140: ...When attaching the charger roller spring to the charger roller unit check that a tension is applied to the charger roller 12 Upper resist roller 1 Remove the paper feed unit Refer to the C 1 2 Remove the waste toner sensor cover and remove the waste toner sensor 3 Remove the waste toner box cover Note When assembling check that the waste toner box moves smoothly 4 Remove each clutch and gear Paper...

Page 141: ... When assembling check that the waste toner box moves smoothly 4 Remove each clutch and gear 5 Remove the paper feed section right frame unit 6 Remove the charger roller tension lever shaft and remove the paper pick up roller Paper feed section left frame unit Upper resist roller Waste toner sensor Waste toner sensor cover Waste toner box cover Paper feed section left frame unit Paper pick up roll...

Page 142: ... lower resist roller 4 OPTION PAPER FEED UNIT 1 Option paper feed unit 1 Remove the paper cassette in advance 2 Turn the screw which is in the hole in the right side of the option paper feed unit and lift the printer and remove the option paper feed unit from the printer body Note When attaching the option paper feed unit to the printer check that the right and left bosses are securely engaged Was...

Page 143: ...ick up roller clutch 1 Remove the paper feed unit Refer to the C 1 2 Remove the paper pick up solenoid and the paper pick up roller clutch Note When assembling check that the solenoid flapper is properly connected to the sleeve Check that the pick up roller stops at the normal position 3 Remove the paper pick up roller Paper pick up unit Cassette size sensor PWB Back cabinet Paper empty detector P...

Page 144: ...lenoid flapper is properly connected to the sleeve Check that the paper pick up roller stops at the normal position 4 Remove the paper transport roller Note for assembly When attaching the option paper feed unit attach the drive gear as shown in the figure After attaching push the frame with fingers and check that the drive gear is lifted up Paper feed roller clutch Paper transport roller Lift up ...

Page 145: ...ation pawl drive joint 4 Remove the separation pawl unit 3 High voltage PWB unit Discharge unit 1 Remove the operation cabinet Refer to the A 4 2 Remove the high voltage PWB unit cover 3 Remove the high voltage PWB unit Discharge unit Separation pawl drive joint Separation pawl drive joint Separation pawl unit High voltage PWB unit cover High voltage PWB unit SHARP SERVICE MANUAL JX8200SM 12 DISAS...

Page 146: ...ansfer drum cleaning clutch solenoid 1 Remove the operation cabinet Refer to the A 4 2 Remove the transfer drum cleaning clutch solenoid 6 Transfer drum cleaner clutch 1 Remove the operation cabinet Refer to the A 4 2 Remove the transfer drum cleaning clutch solenoid Fusing unit connector Harness cover PCU PWB Transfer drum cleaning solenoid Transfer drum cleaning solenoid SHARP SERVICE MANUAL JX8...

Page 147: ...the following troubles The transfer drum is damaged to cause streaks in print image The transfer drum cleaning trouble results in improper image density correction causing improper density and improper color balance 7 Transfer drum cleaner brush clutch 1 Remove the operation cabinet Refer to the A 4 2 Remove the paper hold transfer lower frame 3 Remove the transfer drum cleaner unit Cam unit Trans...

Page 148: ... Refer to the A 4 2 Remove the paper hold transfer lower frame 3 Remove the transfer drum cleaner unit When removing extend the right and the left frames slightly 4 Remove the transfer drum cleaning blade Transfer drum cleaner brush clutch Spring hook Paper holder transfer lower frame Transfer drum cleaner unit Transfer drum cleaning blade SHARP SERVICE MANUAL JX8200SM 12 DISASSEMBLY AND ASSEMBLY ...

Page 149: ...sfer drum cleaner 4 Remove the transfer drum cleaner brush clutch 5 Remove the transfer drum cleaning brush 10 Transfer drum unit 1 Remove the fusing unit Paper holder transfer lower frame Transfer drum cleaner unit Transfer drum cleaner brush clutch Transfer drum cleaning brush SHARP SERVICE MANUAL JX8200SM 12 DISASSEMBLY AND ASSEMBLY 12 17 ...

Page 150: ...e left and the right lower arms of the transfer unit Refer to E 12 6 Remove the transfer drum fixing plate Refer to the E 2 7 Remove the transfer drum unit Be careful not to scratch the transfer drum unit Separation pawl drive joint Separation pawl unit Transfer drum unit Transfer drum fixing plate SHARP SERVICE MANUAL JX8200SM 12 DISASSEMBLY AND ASSEMBLY 12 18 ...

Page 151: ... the transfer drum brake disc is scratched troubles such as image shift and color shift may occur 12 Transfer unit 1 Remove the fusing unit the OPC drum unit and the developing unit 2 Remove the right side cabinet and the operation section cabinet Refer to A 3 4 3 Remove the harness cover 4 Remove the connector which is connected to the PCU PWB from the transfer unit Connector on the PCU PWB 5 Rem...

Page 152: ...ut the transfer unit fixing pins left and right from the inside Then the transfer unit comes off Note Be careful not to scratch the transfer drum F Remove the transfer unit Transfer unit lower arm L Transfer unit lower arm R Transfer unit lower arm L Transfer drum frame Transfer drum bearing section Transfer unit fixing screw left Harness cover Paper exit unit Transfer unit fixing pin Transfer uni...

Page 153: ...d the upper cabinet Refer to the A 1 2 3 2 Remove the cables of the grid bias electrode the main charger electrode and the GND electrode 3 Remove the drive section cover 4 Remove the grid bias electrode the main charger electrode and the GND electrode Optical unit Connector Screw Cables Screw Screw Drive section cover GND electrode Grid bias electrode Main charger electrode SHARP SERVICE MANUAL JX...

Page 154: ...ring fixer The E ring is fixed by the E ring fixer Put the E ring fixer along the pin shaft groove and press the E ring fixer onto the pin shaft 4 Remove the pins 3 positions 5 Remove the drive slide frame unit 6 Remove two drive unit slide cam springs 7 Remove the pin 8 Remove the slide lever Drive unit tension spring Drive unit slide cam spring Pin Pin Pin E ring Screw Block Screw E ring Drive s...

Page 155: ...elt A then remove the drive belt B 4 Remove the flywheel 5 Remove four clutch covers 6 Remove the drive frame unit 7 Remove the drive belt C from the drive frame unit 8 Remove the drive belt D from the drive frame unit Drive unit slide cam Cam shaft lower Drive unit slide cam Cam shaft upper Drum motor unit Drive belt A Drive belt B Clutch cover Flywheel Drive frame unit Drive belt C Drive belt D ...

Page 156: ...ear cabinet and the upper cabinet Refer to the A 1 2 3 2 Disconnect the motor connector from the PCU PWB 3 Remove the drum motor unit Refer to the G 3 Drive belt Remove the photoconductor drum motor together with the drum motor spacer 7 Toner supply motor Color 1 Remove the right cabinet the back cabinet and the upper cabinet Refer to the A 1 2 3 2 Remove the drum motor unit Refer to the G 3 3 Rem...

Page 157: ...2 3 2 Remove the drum motor unit Refer to the G 3 3 Remove the drive belt A Refer to the G 3 4 Remove the drive frame unit Refer to the G 3 5 Remove the drive belts C and D Refer to the G 3 6 Disconnect the connector of the drive motor 7 Remove the developing motor from the drive frame Drum unit Color developer unit Black developer unit Screw Developing motor Connector Drive frame SHARP SERVICE MA...

Page 158: ...s 5 positions of the toner clutch sleeve and of the toner clutch boss as shown below For installation of the DV shutter clutch section similarly 10 Toner supply clutch solenoid Color 1 Remove the right cabinet the back cabinet and the upper cabinet Refer to the A 1 2 3 2 Remove the drive section cover Refer to the G 1 3 Remove the drive slide frame unit Refer to the G 2 4 Remove the drum motor uni...

Page 159: ...me unit Refer to the G 2 4 Remove the drum motor unit Refer to the G 3 5 Remove the drive belt A Refer to the G 3 6 Remove the drive frame unit Refer to the G 3 7 Remove the developing roller clutch 8 OTHER 1 Waste toner sensor 1 Remove the paper feed unit Refer to the C 1 2 Remove the waste toner sensor cover and remove the waste toner sensor Note When assembling check that the sensor shutter mov...

Page 160: ... Computer LAN Board LocalTalk RS232C I F Board Am85C30 1 only for debugging 2 only for Japanese Version 85C30 2 Engine I F Mother Board to PCU Process Control Unit EX only Option Flash memory PWB PS2 ASIC 27MHz 8MB CPU Not used FONT PS2 FCT240 BSYSCLK SYSCLK AD bus Control signal CPU IDT79R3081 54MHz PAL16V8 INT Power On setting Fixed Control signal AD bus IDT79R3710 DRAM Control signal DRAM addre...

Page 161: ...ion Ethernet card External I O option Font PS2 35 Type1 font PCL5CE 1 True Type fonts 44 Micro Type fonts 1 bitmap font Operation Panel 1 LCD 16chars 1line 4 LED 8 Switches AD bus DATA bus Address bus A21 2 FCT162245 FCT162373 16Mbit ROM x 2 D31 0 DRAM address DRAM module 16MByte x 2 DATA bus FCT162827 FCT162827 DRAM 8MByte D31 0 IO DATA bus Control signal AM85C30 MAX232 LS244 CMD STS signal Video...

Page 162: ...egisters 32 x 32 ALU Shifter Mult Div Unit Address Adder PC Control Floating Point Coprocessor CP1 Register Unit 16 x 64 Exponent Unit Add Unit Multiply Unit Divide Unit Exception Control Data Bus 32 35 Configurable Data Cache 4kB 8kB Configurable Data Cache 16kB 8kB Data Bus Address Data DMA Ctrl Parity Generator 4 deep Read Buffer 4 deep Write Buffer Rd Wr Ctrl SysClk Invalidata Control DMA Arbi...

Page 163: ... bit counter starting at 00 for burst read operations During cache coherency operations the R3081 monitors the Addr bus at the start of a DMA write to capture the write target address for potential data cache invalidates Diag 1 O Diagnostic Pin 1 This output indicates whether the current bus read transaction is due to an on chip cache miss and also presents part of the miss address The value outpu...

Page 164: ...ler and bus interface unit This clock will either be at the same frequency as the CPU execution rate clock or at one half that frequency as selected during reset BusReq I DMA Arbiter Bus Request An input to the device which requests that the CPU tri state its bus interface signals so that they may be driven may be driven by an external master BusGnt O DMA Arbiter Bus Grant An output from the CPU u...

Page 165: ...s 10MHz with PLL 85 of CPU Clock with exter nal clock Centronics Interface Bi directional Centronics compliant with IEEE1284 Supports DMA and CPU controlled transfers Supports the following modes Compatible Nibble Byte ECP EPP Interrupt Controller 6 external level interrupts through the PIO pins 14 internal interrupts Individual interrupt mask capability enabling polling or interrupt driven system...

Page 166: ...MAACK 1 O 77 DMAACK 0 O Pin Signal Name I O 78 IOWR O 79 IORD O 80 IOA1 O 81 IOBE 1 O 82 IOBE 0 O 83 IOGPCS 1 O 84 IOGPCS 0 O 85 IOCS 1 O 86 IOCS 0 O 87 DMAREQ 0 I 88 DMAREQ 1 I 89 IODATA 15 I O 90 IODATA 14 I O 91 IODATA 13 I O 92 IODATA 12 I O 93 IODATA 11 I O 94 IODATA 10 I O 95 IODATA 9 I O 96 IODATA 8 I O 97 IODATA 7 I O 98 IODATA 6 I O 99 IODATA 5 I O 100 IODATA 4 I O 101 VDD 102 VDD 103 VSS...

Page 167: ...is valid data on the A D bus Used during read cycles only BUSREQ O Bus Request The R3710 or R3740 requests the CPU bus which is required for Video I O and Typhoon DMA s BUSGNT I Bus Grant Indicates that the CPU has relinquished the bus INT O Interrupt OR s the internal and external interrupt sources DATAEN I O Data Enable indicates the data phase in CPU read cycles In DMA the R3710 or R3740 assert...

Page 168: ...and the A D bus I O Bus IODATA 15 0 P U R3710 only I O Input Output Devlce Data Bidirectional 16 bit I O Data bus IORD O Input Output Device Read Active during Read from an I O device IOWR O Input Output Device Write Active during Write to an I O device IOCS 1 0 O Input Output Device Chip Select Chip selects for 8 bit I O channels 0 and 1 IOGPCS 1 0 O Input Output Device Chip Select Chip selects f...

Page 169: ... for generating the video clock VCLK which is the video data clock The VCLKIN frequency is either VCLK 8 or VCLK VDATA O Video Data to the printer LINESYNC P U I Line Synchronization Input from the printer that indicates the beginning of a line In some printers this is called Beam Detect BD or SYNCBD NOTE LINESYNC is an edge sensitive signal It is clocked into the 3710 40 by the internal signal VC...

Page 170: ...Interface provides full compliance for IEEE 1284 ECP Nibble and Byte modes eliminates requirement for external LS244 buffers for Centronics Status signals provides complete Host Timeout support based on the IEEE 1284 specification ensures proper completion of all termination events detects all Initialization pulses during Compatibility mode and notifies CPU via interrupt allows direct entry into H...

Page 171: ...ledge connects to the Centronics connector nACK signal through a series resistor may be buffered pld_BUSY O 18mA modified Centronics Busy connects to the Centronics connector Busy signal through a series resistor may be buffered pld_nFAULT O 18mA modified Centronics Fault connects to the Centronics connector nFAULT signal through a series resistor may be buffered pld_PERROR O 18mA modified Centron...

Page 172: ...FM encoding transmit and receive capability using in ternal DPLL for 16 384 MHz product Internal synchronization between R x C to PCLK and T X C to PCLK This allows the user to eliminate external synchronization hardware required by the NMOS device when transmitting or receiving data at the maximum rate of 1 4 PCLK frequency II BLOCK DIAGRAM III Signal list Pin configurations SysCil SysReset IOWr ...

Page 173: ...RTSB Request to Send output Active Low When the Request to Send RTS bit in Write Register 5 is set the RTS signal goes Low When the RTS bit is reset in the asynchronous mode and Auto Enable is on the signal goes High after the transmitter is empty In SYNC mode RTS pins strictly follow the inverted state of the RTS bit Both pins can be used as general purpose outputs In SDLC mode the AUTO RTS RESET...

Page 174: ...tive the SCC places an interrupt vector on the data bus if IEI is High INTACK is latched by the rising edge of PCLK Serial Data RxDA RxDB Receive Data Inputs Active High These input signals receive serial data at standard TTL levels TxDA TxDB Transmit Data Outputs Active High These output signals transmit serial data at standard TTL levels Miscellaneous GND Ground PCLK Clock Input This is the mast...

Page 175: ...Z High Impedance 1LE 1O1 TO 9 OTHER CHANNELS 1D1 1OE D C 2LE 2O1 TO 9 OTHER CHANNELS 2D1 2OE D C 1OE 1 1LE 48 1O1 2 1D1 47 1O2 3 1D2 46 GND 4 GND 45 1O3 5 1D3 44 1O4 6 1D4 43 VCC 7 VCC 42 1O5 8 1D5 41 1O6 9 1D6 40 GND 10 GND 39 1O7 11 1D7 38 1O8 12 1D8 37 2O1 13 2D1 36 2O2 14 2D2 35 GND 15 GND 34 2O3 16 2D3 33 2O4 17 2D4 32 VCC 18 VCC 31 2O5 19 2D5 30 2O6 20 2D6 29 GND 21 GND 28 2O7 22 2D7 27 2O8 ...

Page 176: ...ents regardless of CPB signal transitions OEA I Output Enable for the B Register When OEA is LOW the B Register output are enabled onto the A0 7 lines When OEA is HIGH the A0 7 output are in the high impedance state IV REGISTER FUNCTION TABLE 1 Applies to A or B Register Inputs Internal Q Function D CP CE X X H NC Hold Data L H L L L H Load Data NOTE 1 H HIGH Voltage Level L LOW Voltage Level X Do...

Page 177: ...y nFault 30 Signal GND nAutoFd nSelectIn nInit 31 H nInit nInit nInit nReverseRequest nInit 32 P nFault nDataAvail nDataAvail nPeriphRequest User Defined 2 33 Not Defined 34 Not Defined 35 Not Defined 36 H nSelectIn 1284 Active 1284 Active 1284 Active nAStrb Data signals will be driven by some but not all peripheral devices Pins not defined by this spec are used by various manufacturers at their o...

Page 178: ...Stop bit s c AppleTalk Connector Female 8 pin TCS7189 01 201 or equivalent Pin Configuration The pin numbers and signal names are given in the table below PIN SIGNAL NAME SOURCE 3 TXD Transmitted Data PRINTER 4 GND Signal Ground 5 RXD Received Data HOST 6 TXD Transmitted Data PRINTER 8 RXD Received Data HOST Signal Descriptions Pin 3 TXD printer output Data from the printer to the computer Pin 5 R...

Page 179: ...mulation keep the User Area 2 Memory a Outline In this printer RAM allocation will be defined The following modes affect RAM allocation In each mode it is necessary to obtain maxi mum efficiency and User Area 1 Emulation PCL5EC PS2 AUTO 2 Resolution 600dpi AutoSwitch 3 Status Preservation ON OFF RAM Size This controller can support maximum 40MBytes according to com binations of standard option SIM...

Page 180: ... 0 256MBytes 0C000000H 1BFFFFFFH Centronics Internal 1MByte 0A000000H 0A0FFFFFH Engine Control Internal Video I F 1MByte 0A000000H 0A0FFFFFH Typhoon address space Not used Internal Registers Not used 16MBytes 1D000000H 1DFFFFFFH R3741 IEEE P1284 Register Address R W Port Bit Signal Name Description 08000000H R W 7 HBDA Enter Host Busy Data Available 0 Enter HBPA via interrupt phase 1 Enter HBPA di...

Page 181: ...quest Status of 85C30 PortB 2 _HF Half Full Flag of the FIFO 1 _EF Empty Flag of the FIFO 0 _FF Full Flag of the FIFO 0C000018H W 7 6 5 4 3 2 1 0 _FFRESET FIFO Reset Low reset and return to High Flash Memory This controller supports the Flash Memory that is part of the extended Flash Memory Board This memory can be supported file system The PowerPage Level 2 interpreter with the 35 Type 1 compatib...

Page 182: ...be set ON OFF for each port by Operation Panel Switching timing will be as follows When data receiving begins no data from other I F will be received until JOB END and Time Out is processed While receiving data via one I F the other I F will be informed of BUSY Work area Fixed Fixed STATUS PRESERVE ON Condition Frame buffer Fixed User area Fixed Work area Print data Down load fonts Print data area...

Page 183: ...AppleTalk code d Parallel I F protocol This model supports the protocol of the compatible and the nibble mode Protocol between the host computer and the printer Negotiation mode Data1 8 HOST PRINTER 0 35ms min0 5µs 0 1s INTR Low FAULT High Clr PE High Interrupt SELECT High ACK Low min0 5µs High SELECTIN Low AUTOFD STB Low STB High AUTOFD HIgh ACK HIgh DELAY On PE Low FAULT Low SELECT High Low 0 35...

Page 184: ...e With delay on 500ns timer is on Control of PE and Fault is set with the hardware With delay on 500ns timer is on Send data is set with software depending on PE Fault SELECT and BUSY HOST PRINTER 0 35ms min0 5µs PE Low Devalid On DELAY On Low FAULT ACK High Low ACK AUTOFD High Reverse request ON when sending is allowed With delay on 500ns timer is on When the request is detected AutoFd is driven ...

Page 185: ...t used in the Nibble Mode Bi direc tional in the other modes All modes Data 1 is the lowest bit Bit 0 Data 8 is the highest bit Bit 7 Compatibility Mode Forward channel data Negotiation phase Extensibility request value Reverse data transfer phase Nibble Mode Not used The host con tinues to drive the bus Byte mode Reverse channel data EPC mode Address or data transfer from the host to the peripher...

Page 186: ...level used to show the positive response to each extension byte Reverse data transfer phase Nibble Mode Data bit 1 then 5 Byte Mode Same as the negation phase Reverse idle phase Same as the negotiation phase ECP Mode Same as the negotiation phase EPP Mode This signal is not used in the EPP Mode HostBusy HostAck nDStrb nAutoFd Driven by the host Compatibility Mode The interpretation of this signal ...

Page 187: ...on the transfer direction is made by the host This signal provides the peer to peer com munication mechanism This signal is valid only in the forward phase It is generally used to interrupt the host EPP Mode This signal is not used in the EPP Mode 1284 Active nAStrb nSelect In Driven by the host Compatibility Mode Set to LOW by the host to select the peripheral device Negotiation phase To request ...

Page 188: ... for storage will not be deleted even if emulation is changed If this setting OFF user area is all deleted by emulation change DEFAULT INQUIRE DINQUIRE LANG ENGLISH FRENCH GERMAN ITALIAN SPANISH Sets which one of 5 languages is used for LCD messages DEFAULT SET INQUIRE DINQUIRE RENDERMODE CLR B W Set the page rendering mode B W monochrome mode COLOR color mode DEFAULT SET INQUIRE DINQUIRE PRINTMOD...

Page 189: ...and printer It clarifies time and which job is printing INFO Requests the sending of printer s specific information model No configuration memory amount etc USTATUS Sets if unsolicited message error etc is automatically returned or not USTATUSOFF Deletes the request for unsolicited message Device RDYMSG Changes control panel message Printer remains online Attendance OPMSG Changes control panel mes...

Page 190: ...QUIRE For PCL Specific FONTNUMBER 1 to n FONTSOURCE ns PITCH 0 44 to 99 99 PTSIZE 4 00 to 999 75 SYMSET ROMAN8 ISOL1 ISOL2 ISOL5 PC8 PC8DN PC850 PC852 PC8TK WINL1 WINL2 WINL5 DESKTOP PSTEXT VNINTL VNUS MPPUBL MATH8 PSMATH VNMATH PIFONT LEAGL ISO4 ISO6 ISO11 ISO15 ISO17 ISO21 ISO60 ISO69 WIN30 For PostScript Specific JAMRECOVERY OFF ON PRTPSERRS ns For Sharp Specific TOTALCOUNTER 0 to 300000 TOPMAR...

Page 191: ... LINE Informs which key is pressed to set RESET online after the above setting CLEAR KEY LINE The same operation as when the key is pressed on the front panel is done C PJL Status Code Informational Messages 10xxx Status Code Display Message 10001 Emulation XX online 10002 OFFLINE offline 10003 WARMING UP 10004 SELF TEST 10005 RESET 10006 TONER EMPTY 10010 STATUS BUFFER OVERFLOW 10011 EXT IO INIT ...

Page 192: ...RG AVREF AVSS AVDD 4 ANO 2 AVREF 2 PWM 2 WDTO VSS 4 VDD 4 8 P10 4 P9 8 P8 8 P7 8 P6 8 P5 8 P4 8 P3 8 P2 8 P1 8 D0 D7 8 AD8 AD15 17 A0 A16 8 AD0 AD7 CLKOUT X1 X2 RESET ASTB RD LWR HWR WAIT MODE1 MODE0 VPP PGM CE OE PROGAMMABLE INTERRUPT CONTROLLER 5 TIMER COUNTER UNIT REALTIME PULSE UNIT SERIAL INTERFACE SBI UART REALTIME OUTPUT PORT A D CONVERTER D A CONVERTER PWM WATCHDOG TIMER PORT 8 P0 BCU 1792...

Page 193: ...nitial operation of ICU immediately after Power ON and communication between PCU and ICU is inhibited STATUS CDSEN Toner concentration sensor detection signal Cyan Output voltage is inversely proportional to toner concentration SENSE ANALOG CDVF_ Color developing unit fuse cut drive signal This signal is sued to blow off the fuse At LOW the fuse is blown off DRIVE CDVFN Color developing unit fuse ...

Page 194: ...signal B Pulse signal CONTROL FSMDB_ Fusing motor drive control signal B_ Pulse signal CONTROL FSUF_ Fusing unit fuse cut drive signal Used to blow off the fuse at LOW DRIVE FSUFN Fusing unit fuse cut detection signal Used to check the fuse to detect that the developing unit is a new one or not LOW when new one DETECT GAMMA Image density sensor detection signal During image correction toner patch ...

Page 195: ... display ON signal Enable signal CONTROL OP_LEN LED display ON signal Enable signal CONTROL OP_RS LCD register select signal For LCD controller IC internal register SELECT OP_RW LCD read write signal For ICD controller IC internal buffer CONTROL OP_SWD_ Operation panel key switch date signal DATA PAGAK_ Page ack signal When PAGE signal sent from ICU is received by PCU this signal is sent back from...

Page 196: ... Select signal S10 SELECT DATA S11 Select signal S11 SELECT DATA S12 Select signal S12 SELECT DATA S13 Select signal S13 SELECT DATA S14 Select signal S14 SELECT DATA S15 Select signal S15 SELECT DATA S16 Select signal S16 SELECT DATA S17 Select signal S17 SELECT DATA S18 Select signal S18 SELECT DATA S19 Select signal S19 SELECT DATA S2 Select signal S2 SELECT DATA S20 Select signal S20 SELECT DA...

Page 197: ...d waste toner bottle is not full SENSE YBSON_ Developing bias ON signal Yellow At LOW developing bias voltage is outputted CONTROL YDSEN Toner concentration sensor detection signal Yellow The output voltage is inversely proportional to toner concentration SENSE ANALOG YMAGC_ Developing clutch drive signal Yellow Drive at LOW DRIVE YTCONS_ Toner supply clutch solenoid drive signal Yellow Drive at L...

Page 198: ...ine Data Print video data Line Low for color Black and Hi for white To be kept Hi after transmission of one line RES Controller Engine Reset Hardware initialization request from Engine Active Low State D Printer Operation Sequence 1 Engine is ready for printing 2 Print Start Request from Controller to Engine 3 Engin on receiving PAGE Low send PAGAK Low to Control ler 4 Printer turns READY to Hi bu...

Page 199: ...5 100 5 100 3 300 4 960 3 508 378 88 378 88 245 15 368 48 260 61 usec mm 279 4 355 6 215 9 297 0 210 0 11 14 8 5 11 69 8 27 6 600 8 400 5 100 7 016 4 960 3 28 4 18 2 54 3 49 2 47 sec Paper Width inches dots Letter SEF Legal SEF Invoice SEF A4 SEF A5 SEF inches dots Length 50 300 ms POWER 5V PES 4 75 V 0 ms Min 4 75 V The time of initialization of Controller CBSY 1 s Max CRDY 540 s Max 180 s Typica...

Page 200: ...lows In case of these tests only one copy will be printed PS TEST PRINT The printer configuration information is printed FONT LIST 1 Built in font list is printed Start up Page Demo page is printed When Startup Page is set ON the printer will print the TEST PAGE after Power ON 14 1 ...

Page 201: ...14 2 ...

Page 202: ...14 3 ...

Page 203: ...14 4 ...

Page 204: ...14 5 ...

Page 205: ...US registered trademark of Pipeline Associates Inc User installable option PostScript Level 2 compatible PostScript is a trademark of Adobe Systems Inc which may be registered in ccrtain jurisdictions PCL ia a registered trademark of Hewlett Packard Comany 14 6 ...

Page 206: ... 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 SHARP CORPORATION Printing Reprographic Systems Group Quality Reliability Control Center Yamatokoriyama Nara 639 11 Japan 1997 November Printed in Japan S ...

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