Sharp AL-1000 Series Service Manual Download

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[12] ELECTRICAL SECTION

1. Block diagram

A. Overall block diagram

ASIC

CPU

EPROM

SRAM

EEPROM

CCD

LSU

SRAM

Reference

OPE PANEL

CRU
Reset
Switch

Power Unit

High Voltage
Control Unit

24V

GND

3.3V

12V

GRIDL

BIAS

HLOUT

AC100/110/120/127/230V
Source

SERIAL

Toner Motor

Printed
Visual Data

AND

JITTER
SYNC IC

RESET IC

UART

AND

AC PWB

MCU PWB

AND

LASER

MIRROR
MOTOR

VFM

MAIN
MOTOR

CPFS1

RRS

MPFS

COPY
LAMP

MHPS

POD

MMLD

RTH

PPD1

PPD2

TCS

DVSEL

CED1

MHPS

INTERLOCK SWITCH

Other Loads

Other Inputs

AL-1000/1010

12-1

Summary of Contents for AL-1000 Series

Page 1: ...afety of the set Be sure to replace these parts with specified ones for maintaining the safty and performance of the set 1 GENERAL 1 1 2 SPECIFICATIONS 2 1 3 CONSUMABLE PARTS 3 1 4 EXTERNAL VIEWS AND INTERNAL STRUCTURE 4 1 5 UNPACKING AND INSTALLATION 5 1 6 COPING PROCESS 6 1 7 OPERATIONAL DESCRIPTIONS 7 1 8 DISASSEMBLY AND ASSEMBLY 8 1 9 ADJUSTMENTS 9 1 10 SIMULATION TROUBLE CODES 10 1 11 USER PR...

Page 2: ... after removing the developer unit toner cartridge 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 middle frame contains the safety interlock switch Do not defeat the safety interlock by inserting wedges or other items into the switch slot LASER WAVE LENGTH 780 795 Pulse ...

Page 3: ...ly to the 220V model 230V model and 240V model VAROITUS LAITTEEN KÄYTTÄMINEN MUULLA KUIN TÄSSÄ KÄYTTÖOHJEESSA MAINITULLA TAVALLA SAATTAA ALTISTAA KÄYTTÄJÄN TURVALLISUUSLUOKAN 1 YLITTÄVÄLLE NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE VARNING OM APPARATEN ANVÄNDS PÅ ANNAT SÄTT ÄN I DENNA BRUKSANVISNING SPECIFICERATS KAN ANVÄNDAREN UTSÄTTAS FÖR OSYNLIG LASERSTRÅLNING SOM ÖVERSKRIDER GRÄNSEN FÖR LASERKLASS 1 Cauti...

Page 4: ...1 High voltage section 8 1 2 Operation panel section 8 3 3 Optical section 8 3 4 Fusing section 8 5 5 Tray paper feed transport section 8 7 6 Manual paper feed section 8 12 7 Rear frame section 8 16 8 Power section 8 17 9 ADJUSTMENTS 1 Optical section 9 1 1 Image distortion adjustment 9 1 2 Copy magnification ratio adjustment 9 4 3 Lens unit attachment reference 9 6 4 Image position adjustment 9 7...

Page 5: ...tic exposure mode the manual ex posure can be adjusted in five steps The photo mode copying function allows clear copying of delicate halftone original images such as monochrome photos and color photos 3 Substantial copying functions Zoom copying from 50 to 200 in 1 increments can be performed Continuous copying of maximum 99 sheets can also be per formed Toner save mode reduces toner consumption ...

Page 6: ...available Single bypass paper feed section Paper size A4 B5 A5 B6 A6 Landscape Paper weight 52 130g m2 Paper feed capacity 1 sheet Kinds Standard paper specified paper recycled paper OHP Label Postal card Remark User adjustment of paper guide available Inch system Tray paper feed section Paper size 8 1 2 14 8 1 2 11 8 1 2 5 1 2 Landscape Paper weight 15 21 lbs Paper feed capacity 250 sheets Kinds ...

Page 7: ...r Charging system Saw tooth charging with a grid scorotron discharge Transfer system DC corotron system Separation system DC corotron system Developing Developing system Dry 2 component magnetic brush development system Cleaning Cleaning system Counter blade system Counter to rotation Fusing section Fusing system Heat roller system Upper heat roller type Teflon roller Lower heat roller type Silico...

Page 8: ...duction 10 B5 Landscape Copy speed CPM Same size 10 Enlargement 10 Reduction 10 Inch system 8 1 2 14 Landscape Copy speed CPM Same size 10 Enlargement 10 Reduction 10 8 1 2 11 Landscape Copy speed CPM Same size 10 Enlargement 10 Reduction 10 Max continuous copy quantity 99 Void Void area leading edge 1 4mm Trailing edge 4mm or less Side edge void area 3mm or less per side Image loss leading edge s...

Page 9: ...ion Yes Accessories Subsidiaries SEC SECL SEEG SUK SCA EX AB EX Inch Tray Universal Yes Yes Yes Yes Yes Yes Yes Drum cartridge Yes Yes Yes Yes Yes Yes Yes TD cartridge Yes Yes Yes Yes Yes No No AC power cord Yes Yes Yes Yes Yes Yes Yes Tool for corona cleaning Yes Yes Yes Yes Yes Yes Yes Operation manual English1 English1 French QB QE Multi language English2 English2 Ex English French Arabic Ex En...

Page 10: ...on 2 Japan same pack 6 Ex same pack 7 Drum cartridge The label on the drum cartridge shows the date of production Division No Ex production 1 Option 2 Same pack 3 A The end digit of production year January September October November December 1 9 0 X Y Indicates production in China Destination Serial number 00001 99999 Production month 1 The end digit of production year January September October No...

Page 11: ...table 2 Original cover 3 Side cover 4 Operation panel 5 Front cover 6 Paper tray 7 Side cover open button 8 Paper guides 9 Handle 10 Paper output tray 11 Paper output tray extension 12 Power cord socket 13 Power switch 1 4 6 5 7 2 3 12 13 9 9 8 10 11 AL 1000 1010 4 1 ...

Page 12: ...ng and machine starts to supply toner Toner Developer cartridg replacement indicator keeps lighting up If toner density is not back to specific level after two minutes the READ indicator goes out and Toner Developer indicator starts blinking and the copier stops 2 ON Indicates that the machine is in the energy saving pre heat mode Blink Indicates that the machine is in the process of resetting fro...

Page 13: ...l 1 TC cartridge lock release button 2 TD cartridge 3 Drum cartridge 4 Drum cartridge handle 5 Paper feed roller 6 Fusing unit release lever 7 Charger cleaner 8 Transfer charger 8 1 2 3 4 5 6 7 AL 1000 1010 4 3 ...

Page 14: ...optical mirror base scanner unit 3 Toner motor TM Supplies toner 4 Cooling fan motor VFM Cools the optical section 5 Resist roller solenoid RRS Resist roller rotation control solenoid 6 Paper feed solenoid CPFS1 Cassette Paper feed solenoid 7 Multi paper feed solenoid MPFS Multi manual pages feed solenoid 1 2 3 4 5 7 6 AL 1000 1010 4 4 ...

Page 15: ...llation detection H at cassette insertion 5 Manual feed detection switch MFD Transmission sensor Manual feed paper detection single only L at paper detection 6 PPD1 sensor PPD1 Transmission sensor Paper transport detection 1 L at paper pass 7 Door switch DSW Micro switch Door open close detection safety switch for 5V 1 or 0V of 5V at door open 8 Door switch DSW Micro switch Door open close detecti...

Page 16: ...WB MCU Copier control 3 Operation PWB Operation input display 4 Power PWB AC power input DC voltage control High voltage control 5 CCD sensor PWB For image scanning 6 LSU motor PWB For polygon motor drive 7 TCS PWB For toner sensor control 8 LSU PWB For laser control 1 2 3 4 5 7 6 8 AL 1000 1010 4 6 ...

Page 17: ...rovides negative charges evenly to the drum surface 7 Heat roller Fuses toner on the paper Teflon roller 8 Pressure roller Fuses toner on the paper Silicon rubber roller 9 Drum Forms images 10 Transfer unit Transfers images onto the drum 11 Pickup roller Picks up the manual feed paper In multi feed only 12 Manual paper feed tray Tray for manual feed paper 13 Manual paper feed roller Transport the ...

Page 18: ...o direct sunlight poorly ventilated subject to extreme temperature or humidity changes e g near an air conditioner or heater Be sure to allow the required space around the machine for servicing and proper ventilation 2 CHECKING PACKED COMPONENTS AND ACCESSORIES Open the carton and check if the following components and ac cessories are included 8 20cm 4 10cm 4 10cm 8 20cm Copier Power cord TD cartr...

Page 19: ...1 Open the side cover while pressing the side cover open button 2 Remove the CAUTION tape from the front cover and remove the two protective pins from the fusing unit by pull ing the strings upward one at a time 3 Push gently on both sides of the front cover to open the cover 4 Remove the TD cartridge from the bag Remove the protective paper Hold the cartridge on both sides and shake it horizontal...

Page 20: ...nt of the paper tray To store the pressure plate lock rotate the lock to fix it on the relevant location 4 Adjust the paper guides on the paper tray to the copy paper width and length Squeeze the lever of paper guide A a and slide the guide to match with the width of the paper Move paper guide B to the appropriate slot as marked on the tray 5 Fan the copy paper and insert it into the tray Make sur...

Page 21: ... unit Developing Toner Developer Print process Paper transport route Semiconductor laser Manual feed PS roller Focus correction lens Electrode Synchronization with drum Cassette paper feed To face down tray 20microns thick Aluminium drum Pigment layer 0 2 to 0 3 microns thick An OPC drum is used for the photoconductor Structure of the OPC drum layers OPC layer Main charger Laser beam MG roller Cle...

Page 22: ...the main charging unit Stable potential is maintained by means of the Scorotron charger Positive charges are generated in the aluminum layer Step 2 Exposure laser beam lens A Laser beam is generated from the semiconductor laser and controlled by the print pattern signal The laser writes onto the OPC drum surface through the polygon mirrors and lens The resistance of the OPC layer decreases for an ...

Page 23: ...laced between the saw tooth and the photoconductor A stable voltage is added to the screen grid to maintain the corona current on the photoconductor As the photoconductor is charged by the saw tooth from the main corona unit the surface potential increases This in creases the current flowing through the screen grid When the photoconductor potential nears the grid potential the current turns to flo...

Page 24: ...eloping bias will be lost if the power supply was removed during print process In this event the drum potential slightly abates and the carrier makes deposits on the drum be cause of strong static power To prevent this the machine in corporates a function to retain the developing bias for a certain period and decrease the voltage gradually against possible power loss Basic function Normally the de...

Page 25: ... to the LSU laser unit as print data Electric signal Photo signal laser beam conversion 5 The LSU emits laser beams according to the print data Electrical signals are converted into photo signals 6 The laser beams are radiated through the polygon mirror and various lenses to the OPC drum Printing 7 Electrostatic latent images are formed on the OPC drum according to the laser beams and the latent i...

Page 26: ...tor that drives the optical system is controlled to scan the image at the basic resolu tion 2 Basic structure of scanner section 1 Copy lamp Xenon lamp 2 Reflector light conversion plate 3 No 1 mirror 4 No 2 mirror 5 No 3 mirror 6 Lens 7 No 2 3 mirror unit 8 Copy lamp unit 9 CCD 10 Mirror motor 11 MHPS Mirror home position sensor The scanner unit performs scanning in the digital optical system The...

Page 27: ...ser writ ing start point No Component Function 1 Semiconductor laser Generates laser beams 2 Collimator lens Converges laser beams in parallel 3 Polygon mirror polygon motor Reflects laser beams at a constant rpm 4 BD Mirror lens PWB Detects start timing of laser scanning 5 fθ lens Converges laser beams at a spot on the drum Makes the laser scanning speeds at both ends of the drum same as each oth...

Page 28: ...icopy window a When the heat roller surface temperature rises above 240 C b When the heat roller surface temperature drops below 100 C during the copy cycle c Open thermistor d Open thermal fuse e When the heat roller temperature does not reach 190 C within 27 second after supplying the power D Fusing resistor Fusing resistor This model is provided with a fusing resistor in the fusing sec tion to ...

Page 29: ... descriptions on the tray paper feed and the manual paper feed are given below 2 4 1 3 5 6 7 8 9 10 11 13 12 14 15 A Cassette paper feed operation 1 The figure below shows the positions of the pick up roller the paper feed clutch sleeve and the paper feed latch in the initial state without pressing the COPY button after lighting the ready lamp The paper feed latch is in contact with the projection...

Page 30: ...feed latch to stop the pick up roller Then the pick up roller rotates for about 0 15 sec so that the lead edge of the paper is evenly pressed on the resist roller preventing against skew feeding 6 To release the resist roller the tray paper feed solenoid and the resist solenoid are turned on by the paper start signal to disengage the resist start latch from the clutch sleeve projection transmittin...

Page 31: ...al take up roller is pressed to the sur face of the paper to start paper feeding 3 When pawl C of the manual paper feed clutch sleeve is hung on the manual feed latch the manual feed stopper falls and the manual take up roller rises At that time the manual paper feed roller is rotating 4 The lead edge of the transported paper is pressed on the resist roller by the transport roller Then the paper i...

Page 32: ...r turning on the resist roller 2 POD does not turn off within 1 5 sec 2 7 sec after turning off PPD2 Process unit new drum detection mechanism 1 When the power is turned on the detection gear 38T is rotated in the arrow direction by the detection gear 20T to push the microswitch process detection switch installed to the machine sensor cover making a judgement as a new drum 2 When the detection gea...

Page 33: ...section 6 Manual paper feed section 7 Rear frame section 8 Power section 1 High voltage section A List No Part name Ref page 1 Transfer charger unit 8 1 2 Charger wire 8 1 B Disassembly procedure 1 Press the side cover open close button and open the side cover 2 Push up the lock pawls 2 positions of the side cover and remove the transfer charger C Assembly procedure For assembly reverse the disass...

Page 34: ... the TC cover and remove the screw 2 Remove the spring and remove the charger wire 3 Install a new charger wire by reversing the procedures 1 and 2 At that time be careful of the following items The rest of the charger wire must be within 1 5mm The spring hook section charger wire winding section must be in the range of the projection section Be careful not to twist the charger wire 1 1 2 3 4 1mm ...

Page 35: ... screws 3 pcs and the PWB holder 3 Remove the screws 3 pcs and the operation PWB C Assembly procedure For assembly reverse the disassembly procedure 3 Optical section A List NO Part name Ref page 1 Copy lamp unit 8 4 2 Copy lamp 8 4 3 Lens unit 8 4 B Disassembly procedure 1 Remove the parts as shown below 1 2 3 1 1 4 3 1 2 3 3 Note that there are 13 pawls 2 1 9 1 3 4 6 8 10 7 5 Hook 1 2 3 AL 1000 ...

Page 36: ...ough the external groove of the double pulley At that time check that No 2 3 mirror unit is in contact with the mirror base positioning plate 3 Hold so that the winding pulley groove is up and wind the mirror base drive wire 9 turns 4 Put the 8th turn of the mirror base drive wire in the wind ing pulley groove and fix with a screw 5 Pass the wire under Mo 2 3 mirror unit plate and wind it around p...

Page 37: ...cover remove two screws and remove the fusing unit 3 Cut the binding band remove the screw and remove the thermistor 4 Remove the screw and remove the U turn guide Pressure roller section disassembly 5 Remove the three screws remove the fusing cover lower on the right side and open the heat roller section 6 Remove the screw and remove the PPD2 sensor 1 2 3 Thermistor 1 2 3 2 1 2 1 5 5 6 6 4 3 2 1 ...

Page 38: ...the pressure release levers on the right and the left sides 11 Remove the pressure roller the pressure bearing and the pring Note Apply grease to the sections specified with Heat roller disassembly Continued from procedure 4 5 Remove screws remove the fusing cover and open the heat roller section 1 2 Hearter lamp 3 1 2 2 1 3 1 1 1 2 2 1 3 3 Pressure roller 1 2 2 3 3 AL 1000 1010 8 6 ...

Page 39: ...ssembly procedure 5 Tray paper feed transport section A List No Part name Ref page 1 PPD1 sensor PWB 8 11 2 LSU unit 8 10 3 Intermediate frame unit 8 10 4 Paper feed roller 8 11 B Disassembly procedure 1 Remove six connectors and screws of the main PWB and lift the optical unit and the main PWB to remove 2 Remove the PWB insulation mylar and remove the paper transport detection sensor PPD2 1 2 3 H...

Page 40: ... toner motor 4 Remove two springs and open the intermediate frame unit 5 Remove the pulleys on the both sides and remove the paper exit roller 6 Pull out the paper exit roller knob and remove the belt 1 2 1 2 4 2 1 3 1 2 AL 1000 1010 8 8 ...

Page 41: ... lock and remove the belt pulley bearing 8 Remove the paper exit roller 9 Remove the harness guide 10 Remove five screws and remove the main drive plate and the belt 2 3 1 1 3 2 1 CAUTION Attach the gears securely AL 1000 1010 8 9 ...

Page 42: ...five screws and the connector and lift the inter mediate frame unit to remove 15 Remove the screw and the E ring and remove the PS semi circular earth plate and the PS roller unit 16 Remove the E ring and remove the spring clutch from the PS roller unit 3 3 1 1 2 2 4 4 1 1 2 2 2 3 4 1 5 4 4 1 2 3 PS roller unit PS semi circuler earth plate 5 4 4 1 2 3 PS roller unit PS semi circuler earth plate AL...

Page 43: ...nnector and remove the PPD1 sensor PWB 19 Remove two E rings and remove the paper feed roller 20 Remove three E rings and remove the clutch unit C Assembly procedure For assembly reverse the disassembly procedure 4 5 1 2 3 4 Back Front Clutch unit Paper feed roller 1 2 1 2 AL 1000 1010 8 11 ...

Page 44: ...3 PPD1 sensor PWB 8 13 4 Side door detection unit 8 12 B Disassembly procedure Single unit 1 Remove the screw and remove the single upper cover 2 Remove the screw and remove the side door detection unit 3 Remove three screws and remove the single manual feed upper frame 1 2 1 2 Back Wire treatment 1 2 1 AL 1000 1010 8 12 ...

Page 45: ...r PWB 5 Remove the E ring and remove the manual paper feed transport roller 6 Remove the cassette detection switch 7 Remove the multi cover 3 1 2 Wire treatment 3 3 4 1 2 1 2 3 3 Wire treatment 1 Multi cover AL 1000 1010 8 13 ...

Page 46: ...crew and remove the side door detection unit 3 Remove three screws and remove the multi paper feed upper frame 4 Remove two screws and remove the multi feed bracket unit from the multi paper feed upper frame 2 1 1 2 Red Orange Back Wire treatment 1 2 1 2 2 1 1 AL 1000 1010 8 14 ...

Page 47: ...enoid C Assembly procedure For assembly reverse the disassembly procedure D Pressure plate holder attachment 1 Attach the pressure plate holder so that the resin section is not covered with the seal M1 N 2 1 1 1 3 L O C K T O K 2 1 1 2 3 Multi paper feed solnoid Pressure plate holder Seal M1 N Attachment reference Attachment reference AL 1000 1010 8 15 ...

Page 48: ...move three screws and remove the rear cabinet 2 Remove two screws the harness and the mirror motor 3 Remove two screws and one harness and remove the main motor 4 Remove two screws and one connector and remove the exhaust fan motor C Assembly procedure For assembly reverse the disassembly procedure 1 2 1 1 2 1 2 3 3 2 1 3 1 AL 1000 1010 8 16 ...

Page 49: ...st No Part name Ref page 1 Power PWB 8 17 B Disassembly procedure 1 Remove two screws and one connector and remove the power PWB C Assembly procedure For assembly reverse the disassembly procedure 2 3 1 2 AL 1000 1010 8 17 ...

Page 50: ...s shown below III Necessary tools Screwdriver Hex wrench Scale Test chart for distortion adjustment Make a chart shown below by yourself Draw a rectangle on a paper B4 or 8 1 2 14 as shown below Be sure to make four right angles IV Adjustment procedure 1 Remove the right cabinet manual paper feed unit the document reference plate 2 Remove the document glass 3 Loosen the fixing screw of the copy la...

Page 51: ...cedures of steps 4 to 7 until the parallelism of No 2 3 mirror unit is properly set 8 With No 2 3 mirror unit positioning plate in contact with No 2 3 mirror unit bring the copy lamp unit into contact with the right frame and fix the copy lamp unit to the drive wire Procedures 1 to 8 are for adjustment of mechanical horizontal parallelism The copy lamp unit and No 2 3 mirror are fixed to the speci...

Page 52: ...al image distortion adjustment III Cases when the adjustment is required 1 When the copy lamp unit No 2 3 mirror unit drive section is disassembled or its part is replaced 2 When the copy image is distorted as follows IV Necessary tools Screwdriver Screwdriver Scale Test chart for distortion adjustment Make by yourself Draw a rectangle on A4 or 8 1 2 11 paper as shown below Be sure to make four ri...

Page 53: ...n ratio adjustment automatically Manual adjustment The adjustment is made by manual key operations In either of the automatic and manual adjust ments the zoom data register set value is changed for ad justment The magnification ratio in the sub scanning direction is ad justed by changing the mirror base scanner scanning speed b Main scanning direction magnification ratio ad justment I Note Before ...

Page 54: ...ng lamp Main scanning direction auto copy magnification ratio adjustment Auto exposure lamp ON Main scanning direction manual copy magnification ratio adjustment Manual exposure lamp ON Sub scanning direction copy magnification ratio adjustment Photo exposure lamp ON 8 Set the adjustment mode to Manual with the copy mode select key 9 Enter the new set value of main scanning direction copy magnific...

Page 55: ... procedures 1 8 until the sub scanning direction actual copy magnification ratio in 100 copying is within the specified range When the set value is changed by 1 the magnification ration is changed by 0 1 3 Lens unit attachment reference Attach the lens unit so that the lens unit number on the lens ad justment plate is aligned with the scribe line on the base plate Example Lens unit number 2 8 Atta...

Page 56: ...Lead edge adjustment 1 Set a scale to the center of the paper lead edge guide as shown below and cover it with B4 or 8 1 2 14 paper 2 Execute SIM 50 01 3 Set the print start position AE lamp ON A the lead edge void amount TEXT lamp ON B and the scan start posi tion PHOTO lamp ON C to 0 and make a copy of a scale at 100 4 Measure the image loss amount R mm of the scale image Set C 10 R mm Example S...

Page 57: ...e there is no need to ad just manually 2 Copy density adjustment 1 Copy density adjustment timing The copy density adjustment must be performed in the follow ing cases When maintenance is performed When the developing bias grid bias voltage is adjusted When the optical section is cleaned When a part in the optical section is replaced When the optical section is disassembled When the OPC drum is re...

Page 58: ...xecute SIM 46 1 2 Select the mode to be adjusted with the exposure mode select key Set the exposure level to 3 for all adjustment Except for the auto mode Adjustment mode Exposure mode display lamp Ex posure level Sharp gray chart adjustment level Auto mode Auto lamp ON 3 is slightly copied Manual mode Manual lamp ON 3 3 is slightly copied Photo mode Photo lamp ON 3 3 is slightly copied Manual T S...

Page 59: ...id voltage LOW output mode 4 Adjust the control volume VR 141 so that the output volt age is 400 20V 5 Execute SIM 8 2 The main charger output is supplied for 30 sec in the grid voltage HIGH output mode 6 Adjust the control volume VR 142 so that the output volt age is 580 10V 2 DV bias adjustment Note A digital multi meter with internal resistance of 1GΩ must be use for correct adjustment Procedur...

Page 60: ...gistered Is it the Preform the operation according to the simulation number performed Press the clear key All displays on the operation panel go off and the machine enters the ready state for entering the main code Press the clear key End Is the main code the same Is the sub code displayed Press the clear key The COPY QUANTITY display blinks to indicate the previously set sub enters the ready7 sta...

Page 61: ...tor operation check 26 1 Manual paper feed section setting 6 Destination setting 7 Machine conditions check 20 Rear edge void setting 30 CE mark application control ON OFF setting 38 Drum life over stop cancel 39 Memory capacity setting 40 Polygon motor OFF time setting 42 Transfer ON timing control Setting the time to transfer ON 30 1 Paper sensor status display 43 1 Fusing temperature setting 4 ...

Page 62: ...is lighted for 5 sec 6 1 Paper feed solenoids CPFS1 CPFS2 MPFS operation check Operation Procedure When the START key is pressed the paper feed solenoid selected by the tray select key repeats ON 500ms and OFF 500ms 20 times 2 Resist solenoid RRS operation check Operation Procedure When the START key is pressed the resist solenoid RRS repeats ON 500ms and OFF 500ms 20 times 7 1 Warm up time displa...

Page 63: ...ancel of U2 trouble Operation Procedure 1 When the START key is pressed the EEPROM total counter check sum is rewritten and the trouble is canceled 2 After canceling the trouble the simulation is also automatically canceled 22 5 Total counter value display Operation Procedure The total counter value is divided into two 3 digit sections and displayed on the copy quantity display repeatedly Example ...

Page 64: ...ion 10 Polygon motor operation check Operation Procedure When the START key is pressed the polygon motor is operated for 30sec 26 1 Manual paper feed section setting Operation Procedure 1 When this simulation is executed the currently set bypass code number is displayed 2 Enter the code number corresponding to the bypass and press the START key and the setting will be changed Code number Bypass 0 ...

Page 65: ...he START key and the setting will be changed Code number Setting 0 Stop at drum life over 1 Stop cancel at drum life over 39 Memory capacity setting Operation Procedure 1 When this simulation is executed the currently set code number is displayed 2 Enter the code number and press the START key and the setting will be changed Code number Setting 0 No memory 1 4Mbyte 2 6Mbyte 40 Polygon motor OFF ti...

Page 66: ...e during multi copying the fusing temperature is automatically changed from the level set with SIM 43 1 to the level set with this simulation after 20 sheets of multi copy 46 1 Copy density adjustment Outline Used to adjust the copy density in each copy mode The copy density can be set by changing the set value of ASIC GAMMA ADJUST register Setting in each copy mode is performed at exposure level ...

Page 67: ...et by key operations Performed by changing the scanning speed 4 SPF mode scanning direction magnification ratio correction The scanning direction magnification ratio in the OC mode is set by key operations Performed by changing the scanning speed Operation Procedure 1 When this simulation is executed the current set value is displayed in two digits Center value 50 2 When the copy mode select key i...

Page 68: ... key and each setting mode and display are changed sequentially The selected adjustment mode is indicated by the lamps as follows 3 Enter the adjustment value with the 10 key and press the SORT key Then the set value is stored and a copy is made An increase of 1 in the set value corresponds to 0 1mm shift 4 Press the clear key to store the set value and exit the simulation Machine with the multi m...

Page 69: ...etection level of the white plate for shading Vref of AD conversion IC is fixed Operation Procedure When the START key is pressed the mirror base unit moves to the white plate for shading and Vref voltage of AD conversion IC is set to 4 5V and Vref voltage to 0 5V and the copy lamp is lighted This state is kept for 10 sec and the level of one pixel at the center is detected every second to display...

Page 70: ...sensor MHPS does not turn OFF L3 00 Return is not completed within the specified time When the mirror base is returned for the specified time 6 sec in mirror initializing after turning on the power the mirror home position sensor MHPS does not turn ON Or when the mirror base is returned for the specified time about 6 sec after start of copy return the mirror home position sensor MHPS does not turn...

Page 71: ...eys simultaneously to start setting Keep pressing the keys for five sec Display lamps blink simultaneously and is displayed on the copy quantity display 2 Select the function code with the 10 digit key copy quantity set key The number of the selected function blinks on the digit of 10 on the copy quantity display For auto clear select 1 For setting refer to the following function codes Function na...

Page 72: ... 5V GND 3 3V 12V FW MC GRIDL BIAS TC PR HLOUT AC100 110 120 127 230V Source SERIAL Toner Motor CN CN CN Printed Visual Data AND AND AND JITTER SYNC IC RESET IC 5V UART AND CN CN CN CN AC PWB MCU PWB AND LASER MIRROR MOTOR VFM MAIN MOTOR CPFS1 RRS MPFS COPY LAMP MHPS POD MMLD RTH PPD1 PPD2 TCS DVSEL CED1 MHPS INTERLOCK SWITCH HL Other Loads Other Inputs CN CN CN CN CN AL 1000 1010 12 1 ...

Page 73: ...EY NEW PROCESS UNIT SENSER ARZ300 SERIES MAIN PWB A BLOCK DIAGRAM HIGH VOLTAGE CONTROL UNIT ELECTRIC SOURCE POWER RELAY INTERLOCK INTERLOCK CN102 CN106 CN105 CN111 OR CN103 CN117 CN116 CN114 CN122 CN120 CN101 CN113 CN119 CN118 CN112 CN104 CN107 CN109 CN113 CN121 CN123 CN115 IC103 IC103 IC103 IC103 IC116 IC114 IC108 IC114 IC106 IC125 IC104 IC102 IC103 IC114 IC119 IC115 IC112 IC107 IC112 IC103 IC104...

Page 74: ...A12 Output Address Bus 21 A13 Output Address Bus 22 A14 Output Address Bus 23 A15 Output Address Bus 24 A16 Output Address Bus 25 A17 Output Address Bus for 2Mbit EPROM NC 26 A18 Output Address Bus NC pull up 27 A19 Output Address Bus NC pull up 28 D GND 29 A20 Output Address Bus NC pull up 30 NC pull up 31 NC pull up 32 Interruption input NC pull up 33 MHPS Interruption level input Mirror Home Po...

Page 75: ...l 64 PWOFF Output Power Off 65 D GND 66 NC pull up 67 D GND 68 D GND 69 PSW Input Print switch input 70 KIN1 Input Key input 1 71 KIN2 Input Key input 2 72 TMCLK Timer output Clock for Toner Motor 73 TMEN Output On Off Control for Toner Motor 74 NC pull up 75 PMCLK Timer output Clock for Polygon Motor 76 PRSTART Output Printing Start Signal 77 SCANSP Output Scaning Stop Signal 78 SCANST Output Sca...

Page 76: ...nsor input 2 109 SIN3 Input Not used 110 SIN4 Input Not used 111 DAH Analog output Reference Voltage High for CCD 112 DAL Analog output Reference Voltage Low for CCD 113 AN GND 114 D GND 115 NC pull up 116 NC pull up 117 NC pull up 118 NC pull up 119 MRMT3 Motor output Mirror Motor Excitement 120 MRMT2 Motor output Mirror Motor Excitement 121 MRMT1 Motor output Mirror Motor Excitement 122 MRMT0 Mo...

Page 77: ...on controls communication of interface IEEE1284 with the host PC and controls DRAM of send receive data buffer with the host PC Only for models with the printer function The ASIC is controlled by the CPU which writes the operation mode and the set values necessary for each operation mode to the ASIC control register Scan start CCD PWB Shading CCD drive AE SRAM control SRAM 32KB x 2 Resolution conv...

Page 78: ...f DRAM page memory 25 MDATA12 IN OUT DRAM Data bus of DRAM page memory 26 MDATA11 IN OUT DRAM Data bus of DRAM page memory 27 MDATA10 IN OUT DRAM Data bus of DRAM page memory 28 MDATA9 IN OUT DRAM Data bus of DRAM page memory 29 MDATA8 IN OUT DRAM Data bus of DRAM page memory 30 MDATA7 IN OUT DRAM Data bus of DRAM page memory 31 3 3v Power 32 MDATA6 IN OUT DRAM Data bus of DRAM page memory 33 MDAT...

Page 79: ...ard Not used 66 OUTD1 OUT Additional board Not used 67 OUTD2 OUT Additional board Not used 68 OUTD3 OUT Additional board Not used 69 3 3V Power 70 OUTD4 OUT Additional board Not used 71 OUTD5 OUT Additional board Not used 72 GND Power 73 OUTD6 OUT Additional board Not used 74 OUTD7 OUT Additional board Not used 75 OUTD8 OUT Additional board Not used 76 OUTD9 OUT Additional board Not used 77 OUTD11...

Page 80: ...rd Not used 117 ACK OUT 1284CN board Not used 118 BUSY OUT 1284CN board Not used 119 PE OUT 1284CN board Not used 120 FAULT OUT 1284CN board Not used 121 5V Power 122 SLCT OUT 1284CN board Not used 123 TESTPIN0 IN TEST PIN High Normal Low Test 124 GND Power 125 PFCLK IN Transmitter Write clock 126 TESTPIN1 IN TEST PIN High Normal Low Test 127 SYNCEN OUT JITTER ADJUSTMENT IC Jitter adjustment IC tr...

Page 81: ...fore are separation 149 GND Power 150 SD04 IN OUT SRAM separation Data line to SRAM before are separation 151 SD05 IN OUT SRAM separation Data line to SRAM before are separation 152 SD06 IN OUT SRAM separation Data line to SRAM before are separation 153 SD07 IN OUT SRAM separation Data line to SRAM before are separation 154 SAD0 OUT SRAM separation Address line to SRAM before area separation 155 S...

Page 82: ...r 8bit A D conversion 180 IDIN2 IN CCD PWB AD conversion Image scan data after 8bit A D conversion 181 IDIN3 IN CCD PWB AD conversion Image scan data after 8bit A D conversion 182 IDIN4 IN CCD PWB AD conversion Image scan data after 8bit A D conversion 183 IDIN5 IN CCD PWB AD conversion Image scan data after 8bit A D conversion 184 IDIN6 IN CCD PWB AD conversion Image scan data after 8bit A D conv...

Page 83: ... IC Laser circuit control signal Laser circuit ON at HIGH 222 PMD OUT Tr array IC Polygon motor control signal Polygon motor ON at HIGH 223 5V Power 224 MM OUT Tr array IC Main motor control signal Main motor ON at HIGH 225 MPFS OUT Tr array IC Manual paper feed solenoid control signal Multi paper feed ON at HIGH 226 GND Power 227 CPFS2 OUT Tr array IC Second cassette paper feed solenoid control s...

Page 84: ...art signal 3 Reset circuit This circuit detects ON OFF of power to control start stop of each circuit The 5V voltage of the main PWB is detected by the reset IC to generate the reset signal When the power voltage reaches the specified level the circuit operations are started Before the power voltage falls below the specified level the circuit operations are stopped to prevent against malfunctions ...

Page 85: ...og voltage into a digital signal level and compares it with the set value of the simulation to turn on off the heater lamp according to the level maintaining the heat roller surface temperature at a constant level 5V HLOUT 5 A4 Thermostat Heater lamp HLOUT PC2 TRC1 24V PR RY1 Selector IC112 ANo IC110 CPU PR PR Driver IC103 R112 120J1 4W Q104 DTA143XKA HL HL Heat roller Thermistor 1 2 THOPEN AC Dri...

Page 86: ...p turns OFF In case of the thermistor open The voltage at IC119 6pin over the voltage at 5pin to drive the output THOPEN at 7pin to LOW This is passed through the selector to the CPU and the trouble code H2 is displayed 5 Driver circuit Solenoid 1 Outline Since the control signal of each load outputted from the CPU cannot drive the load directly it is passed through the driver IC to the load 2 Ope...

Page 87: ...3 470PF R339 47KJ R345 750J C257 7 470PF R297 R114 1J2W R338 2 4KJ R344 2 4KJ R165 1J2W C254 2200p C276 2200PF R296 620J IC114 ASIC R346 100J Mirror motor 8 Mirror motor circuit The mirror motor is a stepping motor and it uses the IC118 and the constant current chopper control IC SLA7027 For control the CPU outputs the drive signal to the IC118 to drive the mirror motor with 1 2 phase excitement A...

Page 88: ... the high voltage output The FW signal section fullwave rectifies the AC power to supply signal output at the timing of 0V Noise filter ACin Invertor circuit Main section MC High voltage transformer T101 High voltage section FW control section Heater lamp drive circuit section Heater lamp output 3 3V 5V 12V 24V MC DV BIAS Rectifying smoothing BIAS GRID GRID L MC IN TC BC TC IN FW HL PR Control Rec...

Page 89: ...ircuit The DC voltage from the rectifying smoothing circuit is supplied to the secondary side of transformer T1 by switching operation of FET Q1 For switching the RCC Ringing Choke Convertor sys tem is employed FET Q1 is turned on by the starting resistors R20 and R1 to generate a voltage between terminals 4 and 6 of transformer T1 and between terminals 2 and 3 simul taneously Then a voltage is ap...

Page 90: ...urn OFF photo coupler PC3 and turn ON transistor Q3 LOW level output of FW signal is provided 3 Heater lamp drive circuit 4 High voltage section a Invertor circuit The 24V output of the main section is inverted by the RCC system and the high frequency power is supplied to the secondary side of high voltage transformer T101 and T102 The diode and the capacitor for rectifying and smoothing are built...

Page 91: ...between inputting two SH signals is called the photo accumulation time The signals are transfered to the register then to the shift register sequentially by transfer pulses 1 and 2 and to the floating capacitor section where electric signals are voltage converted Electric charges from the even number pixel shift register and the odd number pixel shift register are flowed to the floating capacitor ...

Page 92: ... system 5000 pixels of 7um x 7um are arranged in line to allow scanning of A3 document at 400dpi 16 lines mm Operation section 1 Outline The operation circuit is composed of the key matrix circuit and the display matrix circuit 2 Key matrix circuit The CPU in the MCU sends select signals SELIN1 3 to the selector in the operation circuit The signals detects ON OFF of the key and are sent to the CPU...

Page 93: ...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 1186 Japan 1998 July Printed in Japan N AL 1000 1010 ...

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