Sharp SF-2050 Service Manual

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[ 1 ] GENERAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 – 1
[ 2 ] PRODUCT SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 – 1
[ 3 ] OPTION SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 – 1
[ 4 ] PAPER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 – 1
[ 5 ] PRODUCT VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 – 1
[ 6 ] UNPACKING AND INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 – 1
[ 7 ] DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 – 1
[ 8 ] ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 – 1
[ 9 ] SIMULATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 – 1
[10] MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 – 1
Parts marked with "!" is important for maintaining the safety of the set. Be sure to replace these parts with specified
ones for maintaining the safety and performance of the set.
SERVICE MANUAL
CONTENTS
SHARP CORPORATION
CODE: 00ZSF2050FM/E
No.1
SF-2050
MODEL
SF-C52
MODEL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.

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Summary of Contents for Sharp SF-2050

  • Page 1 SERVICE MANUAL CODE: 00ZSF2050FM/E No.1 SF-2050 MODEL SF-C52 MODEL CONTENTS [ 1 ] GENERAL DESCRIPTION ........1 – 1 [ 2 ] PRODUCT SPECIFICATIONS .
  • Page 2: General Description

    [1] GENERAL DESCRIPTION (SF-S16) (SF-S53) 1. The SF-2050 is a high speed copier which allows copying of 50 sheets per minute, and first copy at the at the highest speed in the class with remarkable copying efficiency. 2. Target users 20,000 ∼...
  • Page 3: Basic Specifications

    (8) Copy magnification ratio [2] PRODUCT SPECIFICATIONS AB series: 4R+4E: 200, 141, 122, 115, Fixed 100, 86, 81, 70, 50 % magnification Inch series: 4R+4E: 200, 141, 129, 121, 1. Basic specifications ratio 100, 95, 77, 64, 50 % 50 ∼ 200% (151 steps in 1% increment) Zoom range (1) Type: Console...
  • Page 4 (11) Developing system: Dry, two-component magnetic brush (22) Power source Voltage: 100V, 110V, 120V, 127V, 220 ∼ 230V, development 200V, 220V, 240V (12) Charging system: (–) DC saw teeth electrode system Frequency: 50/60 Hz common (13) Transfer system: (–) DC corotron system (23) Power consumption Max.
  • Page 5 2. Supply parts Name Content Life Product name Packing × 1 Drum OPC drum 200K SF-250DR × 10 100K × 10 Developer (Black) Developer (1.0kg) SD-360MD × 10 28K × 10 Toner (Black) Toner cartridge (0.93kg) SD-360MT × 1 Upper heat roller kit Upper heat roller ×...
  • Page 6 SEEG/SUK Name Content Life Product name Packing × 1 Drum OPC drum 200K SF-250DM × 10 100K × 10 Developer (Black) Developer (1.0kg) SD-360LD × 10 28K × 10 Toner (Black) Toner cartridge (0.93kg) SD-360LT × 1 Upper heat roller kit Upper heat roller ×...
  • Page 7: Upper Heat Roller

    SCA, SCNZ, Middle East, Africa Name Content Life Product name Packing × 1 Drum OPC drum 200K SF-250DM × 10 100K × 10 Developer (Black) Developer (1.0kg) SD-360LD × 10 28K × 10 Toner (Black) Toner cartridge (0.93kg) SD-360LT × 1 Upper heat roller kit Upper heat roller ×...
  • Page 8: Option Specifications

    [3] OPTION SPECIFICATIONS 1. SF-A55 Name Duplex reversing automatic document feeder Document feed system Continuous, automatic feed Document exit system Face up exit Document transport system One-belt, (center reference) Document set direction Face up A3 ∼ B5 Document size Thin paper mode, 35 ∼ 50g/m Document weight standard mode, 51 ∼...
  • Page 9 [4] PAPER 1. Standard paper for tray feed Quanty in one Name Size Type SF-3AS2 250 sheets SF-4BS2 500 sheets SF-4AS2 500 sheets Standard type SF-5BS2 (Horizontal) 500 sheets each SF-5Bs3 (Vertical) SF-5AS2 250 sheets SF-6BS2 250 sheets SF-3AM2 250 sheets SF-4BM3 500 sheets General type...
  • Page 10: Product View

    [5] PRODUCT VIEW 1. External view 2. Internal view Transport section Roller rotation knob adjustment knob Transport section Duplex tray open/close lever Operation panel Front cover Waste toner box Fusing section Manual feed guide Manual feed additional tray OPC drum Manual feed tray Toner cover Original cover...
  • Page 11: Operation Panel

    3. Operation panel 13 14 15 16 AUTO IMAGE TRANSPARENCY COVERS/ MARGIN ERASE DUAL PAGE SCROLL DISPLAY INSERTS INSERTS SHFT COPY SORTER ORIGINAL TO COPY INFORMATION REDUCTION ENLARGEMENT PROGRAM 100% SORT (ORIGINALS) EVEN NUMBER CLEAR ALL ODD NUMBER START ATAPLE SORT ZOOM EXPOSURE...
  • Page 12: Drum Separation Pawl

    4. Internal structure (Japan model) 7 10 9 30 29 No. 2 mirror No. 3 mirror No. 1 mirror Copy lamp Lens unit Main charger unit Blank lamp No. 6 mirror No. 4 mirror No. 5 mirror Developing unit toner box Developing unit Transport roller (upper) Transfer charger...
  • Page 13 5. Unit Process unit Suction frame unit Fusing unit Optical unit Developing unit Toner hopper unit Transport unit Center tray unit (ADU) 500-sheet tray unit Paper feed unit 5 – 4...
  • Page 14 6. Clutches and solenoids Signal name Part name Function and operation Remark CPFC1 No. 1 cassette paper feed clutch No. 1 tray paper feed roller rotation CPFS1 No. 1 cassette paper feed solenoid No. 1 tray take-up roller rotation CPFC2 No.
  • Page 15 7. Switches and sensors 40 43 37 36 29 27 Signal name Part name Switch/sensor Function/operation Remark LUD1 No. 1 cassette upper limit sensor Sensor No. 1 tray upper limit sensing PED1 No. cassette paper sensor Sensor No. 1 tray paper presence sensing LUD2 No.
  • Page 16 Signal name Part name Switch/sensor Function/operation Remark Lens home position sensor Sensor Lens home position sensing DPFD ADU paper feed sensor Sensor Duplex section paper feed sensing Duplex section rear plate home position DTBHPS ADU rear plate home position Sensor sensing Duplex section alignment plate home DTWHPS...
  • Page 17 8. Motors Mirror motor Main motor Drum motor Toner motor Duplex motor 1 (for shifting Duplex motor 2 (for shifting No. 4, 5 mirror base motor Lens motor the rear plate) the alignment plate) Cooling fan motor Ventilation fan motor 1 Ventilation fan motor 2 Ventilation fan motor 3 Suction fan motor...
  • Page 18 9. PWB unit list DC power PWB High voltage PWB AC circuit PWB Main control PWB Operation control PWB Operation PWB 1 Operation PWB 2 Operation PWB 3 LCD invertor PWB LCD unit DL PWB BL PWB Original sensor light emitting Original sensor light receiving Sensor volume PWB AE sensor PWB...
  • Page 19 10. Large capacity cassette unit (LCC) Signal name Part name Switch/sensor Function/operation Remark TLMD Tray upper limit sensor Sensor Tray upper limit sensing Tray lower limit sensor Sensor Tray lower limit sensing Tray paper upper section and paper Tray paper upper section sensor Sensor presence sensing TPTD...
  • Page 20: Unpacking And Installation

    [6] UNPACKING AND INSTALLATION 1. Packing form view Unpack in the following sequence referring to the packing form view. • Copier body Remove the PP band. Remove the top support plate and the top case. Pull out the copier case upward. Remove top pads L and R.
  • Page 21 • 2. Installation Avoid a poorly ventilated place. The surrounding conditions of the machine affect the machine perfor- mance greatly. Avoid installation to the following places. • Avoid high temperature, high humidity, low temperature, and low humidity. Avoid sudden temperature change. (Avoid installation near a stove, a humidifier, a cooler, etc.) •...
  • Page 22 Be sure to connect the grounding wire. If not, a leak current may cause a fire or an electric shock. For grounding, consult the distributor. Ground terminal Do not remove the cabinet of the copier. There are high voltage sections, which may cause electric shocks. Do not touch the power plug with a wet hand.
  • Page 23: Cleaner Blade

    Turn the photoconductor drum one rotation clockwise. Install the process unit on the main body. 6. Set up of fusing unit (1) Fusing unit removal from the body Open the front cover, and remove two fixing screws in the upper side.
  • Page 24 Remove the screw in the left upper side (when viewed from the Hang the upper cleaning roller spring on the fusing frame F over paper exit side) of the fusing unit, and remove the upper cleaning the bearing. roller holding plate. Remove the hook section of the upper cleaning roller spring C Fix the upper cleaning roller holding plate with the fixing screw.
  • Page 25 Side plate R Screws Screws Side plate F (4) Insert the rear plate Remove the rear plate and set the plate into the position indicated for 7. Setting up the paper tray the desired paper sixe. (1) Remove the packing screw of the cassette Rear plate Pull out the tray drawer by lifting while pulling out drawer.
  • Page 26 (6) Change the paper size indication plate Push the developing unit pressure lever down to separate the developing unit from the drum. Remove the paper size indication plate. Install the plate so the size of the paper can be seen from the window. Paper sizes are printed on the front and the back of the paper size indicator plate.
  • Page 27 (3) Place the new toner cartridge with the tabs in Turn the MG roller with a screwdriver to attach the developer to the MG. the notches as shown. (4) Slide the toner cartridge along the guides over the toner hopper. Attach the DV joint.
  • Page 28 (7) Slide the empty toner cartridge back along the 11. Initial system setting guides and remove it. (1) Destination setting • The cartridge opening will be closed as it is moved back along the guides. Check the destination setting with the simulation. Execute simulation 26-6.
  • Page 29 The photoconductor drum rotates and the image density sensor 12. Initial setting related to process output is displayed on the copy quantity display. control Check that the displayed output adjustment is 815 ± 15. The check and adjustment must be performed when replacing the If the displayed output adjustment value is outside the adjustment photoconductor drum or the process control PWB, when cleaning or range, adjust the rough adjustment control (VR-2) and the minute...
  • Page 30 <When too light> Make the value displayed on the copy quan- Make a copy. tity display smaller. Check that "6" of UKOG-0162FCZZ is slightly copied. (0.5 of UKOG-0089FCZZ is clearly copied.) <When too dark> Make the value displayed on the copy quan- tity display greater.
  • Page 31 Check that "3" of UKOG-0162FCZZ (0.2 of UKOG-0089FCZZ) is 15. Installation of options slightly copied. <When too light> Make the value displayed on the copy quan- (1) SF-A55 tity display smaller. <When too dark> Make the value displayed on the copy quan- tity display greater.
  • Page 32 2. Adjust the angle of ADF. Unplug the copier and follow the procedure below. Loosen the two fixed screws for the angle adjusting panel which 1. Mount the ADF onto the copier. locate on the hinge angle and then fasten the loosened screws while Remove the 2 cut-outs from the upper cabinet panel of the copier.
  • Page 33 4. Connect the ADF tray connector. SIMULATION NO. 26-1 OPTION SETUP. Open the ADF cover and connect the ADF connector to the tray connector. CODE : RADF SORTER/STAPLE SORTER Connectors ADF cover |: SETTING : NO SETTING PLEASE SELECT BY 10-KEY PAD. 7.
  • Page 34 8. Original lead edge position adjustment. • After finished selecting settings using test command 53; the screen shown in the illustration bellow will appear. Select one of the num- • The original lead edge position for RADF can be determined using bers from this screen then use the 10-key pad to enter a setting for the test command 53.
  • Page 35 (2) SF-C52 Disconnect the plug to the main copier unit before performing the following procedures. Included parts 1. Using the adjusters to stabilize the main copier unit To stabilize the main copier unit, lower the two adjusters on the front of the main unit of the copier until they reach the floor.
  • Page 36 Next, mount the lower LCC mounting bracket to the main copier unit 6. Pulling out the slide lock on the large capacity tray using five M4 x 8 securingscrews. Gently pull out the large capacity tray’s paper tray as far as it will go. Lower LCC mounting bracket Securing screws Securing screw...
  • Page 37 8. Removing the tray stopper as well as the securing 9. Setting modes and paper size screw and the packing material which hold the paper Set modes and paper size using the keys on the main copier unit. feed table in place. The tray stopper is taped to the paper tray.
  • Page 38 10. Centering the paper • When copies come out off center as shown in figure 1 Move the tray lock in direction A the same number of millimeters The paper tray is adjusted at the factory, so there should be no need as the paper is off center, tighten first the two "a"...
  • Page 39 Before installing Be sure that you have plenty of room around the copier for work space. Rail mounting plate screws Rail screws A Rail screw B (M4 X 14): 2 (M4 X 6): 2 (M4 X 6): 1 Bracket screws (M4 X 10): 2 Rail mounting plate screws (M4 X 16): 2...
  • Page 40 Remove all the securing tape ( ) and securing Securing fixtures materials ( ) shown in the figures below. Sorter protection mat Adjust the position of the casters. Caster nuts Caster nuts Adjusted caster position Standard caster positon Move dip switch to "ON." Remove the 2 mounting screws securing the sorter control cover, then remove the sorter control cover.
  • Page 41 2. Attach the support guide. Attach the support guide by attaching its pawls (2 locations) to the inside of the copier’s paper output section. Pawls Support guide Mounting screws 3. Cut off the cut portions of the desk’s left cabinet panel. sorter control cover Dip switches Remove the cut-outs (2) from the lower part of the copier’s left...
  • Page 42 5. Fit the rail mounting plate onto the rail. Insert the rail between the rollers on the rail mounting plate as shown in the figure. Rollers Rail mounting plate Rollers Rail 6. Attach the rail mounting plate to the copier. Run the rail, which is attached to the sorter, underneath the copier as Sorter mounting plate shown in the illustration, then attach the rail mounting plate to the...
  • Page 43 9. Attach the sorter connectors. Loosely screw in 1 of the 2 supplied bracket screws as shown in the figure. Hook the bracket in place over this screw, then insert the remaining bracket screw and tighten both screws securely. Next, connect the 6-pin and 10-pin connectors from the sorter to the 1~3mm(section A) 6-pin and 10-pin connectors of the copier and insert the tie band into Support guide...
  • Page 44 H RADF (SF-A55) Performing the above operation will cause the current setting to be displayed. SIMULATION No. 26-1 SORTER/STAPLE SORTER SETTING? 1. YES 2. NO B. Staple sorter operation check 1. Check the sort mode. 13. Affix the green label. Make 20 copies in the sort mode and confirm that the copies are Lifting up on the staple sorter’s release lever, separate the sorter from distributed to the sort bins with no abnormal noises from the sorter.
  • Page 45 Copy papers 3. Reinsert the staple cartridge. Push the staple cartridge in horizontally until it clicks securely into place. Then close the stapler cover. This completes the staple sorter installation. If staples have become jammed 1. Remove the stapler unit. Open the stapler cover and loosen the mounting screw that secures the unit in place until there is no more resistance.
  • Page 46 3. Remove the jammed staples. 6. Confirm that papers are stapled correctly. Remove the jammed staples with the supplied tool as shown in the Place a set of papers in the 2nd bin (below the non-sort bin), check figure. the stapling location, and then press the manual staple key when it This tool can be found on the inside of the stapler unit cover.
  • Page 47 Setting switch lever For SF-2050 For SD-2060 Sorter seat (1 pc.) 2. Install the support guide. Hook the pawls (two locations) of the support guide to the inside of the copier paper exit end to install the guide as shown in Fig.
  • Page 48 4. Remove the front panel of the sorter. 6. Remove the sorter connector cover. Loosen the four mounting screws in the front panel of the sorter and Remove the mounting screw which secures the sorter connector remove the panel. cover to the copier’s rear cabinet panel, then remove the sorter con- nector cover.
  • Page 49 8. Mount the sorter connector cover. Caster unit Reinsert the sorter connector cover, which was removed in step 6, into the rear cabinet panel, then secure it with the mounting screw. Caster knob Mounting screw Sorter connector cover Sorter seat Caster mounting screws 11.
  • Page 50 Sorter seat Adjustment screws Plug the copier into a grounded outlet and turn the power switch on. Then, follow the procedure below. 12. Set the mode. Operate the keys on the copier to set the mode. The above key operation will display the currently set mode.
  • Page 51: Disassembly And Assembly

    [7] DISASSEMBLY AND ASSEMBLY 1. Process unit Loosen four screws (blue), and separate the upper and the lower Major parts: Photoconductor drum, toner receiver, BL PWB unit, dis- charge lamp unit, cleaning blade, drum marking sensor sections of the process unit from each other. PWB, separation solenoid, separation pawl, process control sensor PWB, process volume PWB Disassembly procedures...
  • Page 52 Loosen two screws (blue) and remove the cleaning blade. Remove two bearings of the DR drive shaft and the DR pawl returning SP-L, and remove the drum pawl drive plate. Remove two DR pawl springs from the hook, and remove the separation pawl together with the drum pawl shaft.
  • Page 53 Remove the blank lamp harness connector, and remove the BL Remove one screw and the connector, and slide and remove the PWB unit. discharge lamp unit. Remove the process tact cover. Remove tow screws and the connector, and remove the process volume PWB.
  • Page 54 2. Fusing unit Remove four screws and remove the upper fusing cover. Major parts: Heater lamp, upper/lower heat rollers, upper/lower separation pawls, upper/lower cleaning rollers, thermis- tor, thermostat Disassembly procedures Remove two screws, and remove the fusing unit from the body. Remove two screws (blue), and remove the fusing cover.
  • Page 55 Remove the screw which fixing the thermistor, and remove the Remove the upper heat roller unit. screws and connector of the holder which is fixing the harness, and remove the thermistor. Remove the lower heat roller unit. Remove the harness and two screws, and remove the thermostat. Remove two screws, and slide and remove the lower fusing cover.
  • Page 56 Remove the lower cleaning roller. Remove the spring, and remove the lower separation pawl. Remove three screws (blue), and remove the lower separation pawl attachment plate. 3. Manual paper feed unit Major parts: Manual paper feed roller, manual separation (reverse) roller, manual take-up roller, take-up roller spring clutch, paper feed roller spring clutch, manual paper feed solenoid...
  • Page 57 Remove the E-ring, and remove the take-up roller spring clutch. @ When the spring inside the spring clutch is removed, be careful of the attachment position of the spring to the sleeve for assembly. Remove the manual feed arm B. Remove the take-up roller from the manual feed arm.
  • Page 58 4. Four-stage tray, large capacity tray (LCC) paper Remove pick-up lever L, and remove the take-up roller and the feed unit paper feed roller. Major parts: Paper feed roller, separation (reverse) roller, take-up roller, paper feed roller spring clutch, pick-up solenoid, separation (reverse) roller spring clutch Disassembly procedures (The following descriptions are made on the four-stage tray, however,...
  • Page 59 Remove the separation (reverse) roller. Remove the E-ring, and remove the separation(reverse) roller spring clutch. 5. Optical unit Major parts: Copy lamp, copy lamp unit, No. 2/3 mirror base unit, No. 4/5 mirror base unit, AE sensor PWB Disassembly procedures Remove the original guides R and L, and remove the table glass.
  • Page 60 Remove the parts as shown below. @ Positions of No.1 mirror base (copy lamp unit) and drive wire Drive wire Remove the toner hopper unit. Drive wire Remove the upper cabinet left, and remove the left cabinet upper. Remove the mirror base wire from the No. 2/3 mirror base unit. Remove the No.
  • Page 61 Mirror base wire stretching Remove the harnesses, and remove the No. 4/5 mirror unit. (Preliminary check items) • Check and confirm the stop position of the wire winding pulley. • Check that the wire grooves of the wire winding pulley in the frons Optical base and the rear sides are in the same position.
  • Page 62 (Rear frame side) Viewed from the rear frame (Front frame side) Viewed from the front frame 7 – 12...
  • Page 63: Adjustments

    Mirror base wire stretching No. 2/3 mirror base unit attachment position Refer to "[8] ADJUSTMENTS." This is to adjust the parallelism of the mirror base B with the drum surface and the original surface. Copy lamp unit attachment position Manually turn the mirror base drive pulley to bring the mirror base B into contact with the mirror base positioning plate.
  • Page 64 Lens drive wire replacement A. Lens drive wire removal Remove original guide R, and remove the table glass. Remove the dark box cover. Remove the drive wire spring and the wire hook from the lens carriage boss. B. Lens drive wire stretching Reverse the above procedures.
  • Page 65 Remove two screws and remove the paper holding plate solenoid. Remove the take-up roller unit. Remove three E-rings, the gear, and the stopper, and remove the take-up roller. Remove two screws, and remove the paper feed guide unit. Remove the stopper, and remove the reverse roller. Remove the stopper, and remove the paper feed roller.
  • Page 66 Remove the set screw, and remove the transport roller clutch. 7 – 16...
  • Page 67: Developing Section

    [8] ADJUSTMENTS 1. Developing section (1) Developing doctor clearance adjustment Disassembly the section until as shown in the figure. +0.05 0.55 Loosen fixing screws A of the DV doctor. (2 pcs. in the rear frame, -0.03 2 pcs.in the front frame) Insert a 0.50mm clearance gauge between 50mm ∼...
  • Page 68 (3) DV bias voltage adjustment Set the digital multi meter range to DCV 300V or greater. BSCP Put test rods to the DV bias output check pin (BSCP) of the high voltage unit and the chassis (GND). Execute simulation 8-1. (A DV bias voltage is outputted for 30 sec.) Adjust the DV bias voltage adjustment volume (VR-301) so that the output voltage is –200V ±5V.
  • Page 69: Process Section

    2. Process section (1) Blank lamp (BL) position adjustment Check that the enter shift is within 2.0mm. (If the center shift is more than 2.0mm, adjust the center shift.) Set an A3 (11" x 17") white paper on the original table, and make a reduction copy (64%) on an A3 (11"...
  • Page 70 B. Transfer charger current adjustment Remove the developing unit, the transfer/separation charger unit, the main charger unit, and the waste toner collection bottle from the copier. Remove the process unit from the copier. Remove the photoconductor drum from the process unit. Attach the electrode sheet with rubber band or tape to the photoconduc- tor drum.
  • Page 71 C. Charger current check Check only the difference (balance) in the drum currents in the front frame side and the rear frame side. Perform procedures (3)-B-1 to 5. Clean the main charge saw teeth plate, and install the main charger unit to the copier. (Do not install the transfer/separation charger.) Manually turn on the door switch.
  • Page 72: Maintenance

    E. Separation charger output adjustment This adjustment is performed without the electrode sheet. Install the DV unit and the drum holer unit to the copier, and turn on the copier power. Install the separation charger unit and the drum holder unit to the copier.
  • Page 73 3. Optical system adjustments For adjustments of the optical system, follow the flowchart below. Check the following preset values based on the lens focal distance rank (lens number) Lens reference position adjustment - - - - - Simulation 48-01A No. 4/5 mirror reference position - - - - - Simulation 48-01D Horizontal copy magnification ratio - - - - - Simulation 48-02 Lens characteristics input - - - - - Simulation 48-01B/E/C/F Check focusing...
  • Page 74 (1) Lens reference position adjustment In this machine, the reference value for each lens characteristic must Year/month/day of production be inputted. (This value is used to determine the lens home position.) This adjustment must be performed in the following cases: (O –...
  • Page 75 Enter the [O.L] value in the previous displayed in section A of the lens unit in the previous item into the following formula, and input the obtained value and press PSW to store it. 49 – [(O.L. value) /2 × 10] = Corrected reference value (Example) When the value is 1.2, 49 –...
  • Page 76 Compare the scale image length on the copy paper and the actual scale length. Calculate the vertical copy magnification ratio correction ratio from 100 mm-scale the following formula. (original) Vertical copy magnification ratio correction ratio = Original size Copy image size/ Original size × 100% (Example) Vertical copy magnification ratio correction ratio = 100 –...
  • Page 77 When the input value is replaced and the print switch is pressed, the input value is stored and the ready lamp is turned off. Eg.1: Cancel simulation 48-02. Copy A, of (Note) The range of correction of the input is 1 ∼ 30. which length is shorter than original...
  • Page 78 (7) Vertical skew adjustment This adjustment must be performed in the following cases: • When the mirror base drive wire is replaced. • When No. 1 mirror base and No. 2 mirror base are replaced. • When a copy as shown below is made. Original Copy Making of the original for adjustment...
  • Page 79 (8) Horizontal skew adjustment If there is no skew in the mirror base scanning direction and the right angle to the scanning direction is not proper, adjust the height of the No. 2/3 mirror base unit rail and the No. 4/5 mirror base unit eccentric screw.
  • Page 80 When La < Lb (Lc < Ld), turn the adjustment screw counterclock- wise to decrease the height of the front frame side of the No. 4/5 mirror base unit. Take note on how much the adjustment screw is rotated. (One rotation of the adjustment screw will change the height by 2mm, and the difference of La –...
  • Page 81 (10) Exposure balance adjustment Make a half tone copy at normal ratio (100%), and adjust exposure adjustment plates a, b, and c in the directions of arrows A and B. Moving the adjustment plate in the direction of arrow A make the copy Fix.
  • Page 82 Measure the distance from each copy paper lead edge and the image (scale) edge, and obtain RRC-A and RRC-B from the for- mulas below. If the RRC-A preset value is not proper, the image lead edge varies in different magnification ratios. The RRC-B value is the preset value used for adjusting ON timing of the RRC in order to fit the drum image edge and the transfer paper edge.
  • Page 83 Press the message forward scroll key three times to set the LCD section to the void amount adjustment mode. End void area Make a copy with the OC cover open. Adjust so that the edge of 1~3mm the black background copy comes to 1 ~ 3mm of the copy scale image.
  • Page 84 (12) Mirror base wire tension adjustment Use the mirror base adjustment screw to shift the tension adjustment plate back and forth and adjust. When the mirror base B is at the home position, adjust so that the distance between the notched sections and the mirror base wire springs are about 4mm.
  • Page 85 (3) Preliminary arrangement for the copy density 4. Copy density adjustment adjustment (1) When the copy density adjustment is required: (1) Initial setting of AE copy density level The copy density adjustment must be performed in the following Enter the key operator code. cases: •...
  • Page 86 (Note) When entering with the 10-key pad, the display is limited to 1 ∼ 3 only. (5) Test chart setting Put 4 or 5 sheets of white paper (specified by Sharp) of 120mm wide and 420mm long on the original table in the center reference. Not copied...
  • Page 87 Not copied Copied Not copied Slightly copied (2) Toner save mode adjustment When the copy density is within the specified range, press the Press the exposure select key to set to the manual density mode. dark exposure key to set to the photo mode "5." Press the message forward scroll key to display "1"...
  • Page 88 UKOG-0162FCZZ DENSITY No. UKOG-0089CSZZ DENSITY No. 0,1 0.5 1.9 (5) Test chart setting KODAK GRAY SCALE SHARP CORPORATION MADE IN JAPAN (6) Copy density adjustment –200V ±5V (manual exposure 1). Execution of Sim 8-01. Developing bias output voltage adjustment Manual exposure copy density adjustment Execution of Sim 46-01.
  • Page 89 5. Adjustments related to process control Item Conditions where the process control is required: Remark – – A. When a new machine is installed. "4" differs in different destinations. – – B. When the developer is replaced. – – C. When the photoconductor is replaced. –...
  • Page 90 6. Large capacity cassette (LCC) adjustment (1) Off-center adjustment Left side view Right side view Make an original as shown below, and make a normal copy with the large capacity cassette. Move the tray lock plate in the arrow direction to adjust so that the shift of the copy center from the original center is within 1.5mm.
  • Page 91: Adu Unit

    7. ADU unit (1) Rear plate position check Execute simulation 52-1. Check that the rear plate moves smoothly. Paper feed take-up roller After the rear plate stops, pull out the ADU unit from the copier and check that the rear plate is at the reference position. Reference position: AB series —...
  • Page 92 (3) Off-center adjustment Make a duplex copy and adjust as follows: When the image is shifted from the original in direction of (a), loosen (rotate one or two turns) the off-center lock screw, turn and adjust the OC adjustment screw in the direction of A through the notch for the off-center adjustment, and tighten the off-center ad- Off-center lock screw justment lock screw.
  • Page 93 8. Curl correction unit adjustment Check that the clearance between the notch in the roller support- ing plates in the front and the rear sides of the curl correction unit and the reverse frame is 2 ± 0.2 mm. If the clearance is not 2 ± 0.2 mm, loosen the screw and move the roller supporting plates back and forward to adjust so that the clearance is 2 ±...
  • Page 94: Simulations

    [9] SIMULATIONS List of simulations Main Main Operation Operation code code code code Mirror scan operation Destination setting Optical system sensor check Drum sensitivity setting Lens operation check (No program) 09 ∼ 17 Lens operation aging (No program) Lens lock position shift PC/MODEM communication trouble (U7-00) detection YES/ NO setting RADF operation aging...
  • Page 95 Details of contents Adjustment value Main Item Contents Ref. page Adjustment code code Default scope When the main code is inputted, the LCD shows the following display and a sub code blinks on the copy quantity display. With the RPL on, enter the desired sub code and press the START key to start the operation.
  • Page 96 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope RADF aging When the sub code is entered, the LCD shows the following — — — display. With the RPL on, enter the RADF operation code to be checked and press the START key, then the RADF will start aging operation without originals.
  • Page 97 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope RADF individual When the sub code is entered, the LCD shows the following — — — load check display. With the RPL on, enter the RADF load code to be checked, and the code will be displayed on the copy quantity display.
  • Page 98 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Sorter (SF-S16) Staple sorter (SF-S53) Display name Display Name Sorter paper SPID Sorter set sensor entry sensor Indexer (pin) Sorter paper exit SPOD BHPS home position sensor sensor Indexer (pin) Indexer upper IULD...
  • Page 99 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Code Display Content Sorter main motor operation MAIN MOTOR check PAPER PASS Paper pass solenoid SOLENOID operation check PAPER HOLD Paper pass solenoid SOLENOID operation check Bin shift motor operation BINSHIFT MOTOR check Jogger motor operation...
  • Page 100 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope When the main code is inputted, the LCD shows the following display and a sub code blinks on the copy quantity display. With the RPL on, enter the desired sub code and press the START key to start the operation.
  • Page 101 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Fan motor operation When the sub code is entered, the LCD shows the following — — — display. With the RPL on, enter the code of the fan motor to be checked, and the code will be displayed on the copy quantity display.
  • Page 102 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Sensor Switch CSSn4 CSSn3 CSSn2 CSSn1 8.5" x 11" 8.5" x 14" 11" x 17" 5.5" x 8.5" 8.5" x 11"R When the main code is inputted, the LCD shows the following display and a sub code blinks on the copy quantity display.
  • Page 103 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Warm-up saving When the sub code is entered, the machine operation can be — — — checked without warm-up. If the heater section is at low temperature, the heater low temperature amy be detected and "H4"...
  • Page 104 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope (SUK) SIMULATION NO. 8 INPUT 1~7 1. DEVELOPING BIAS VOLTAGE TEST. 2. MAIN HIGE VOLTAGE UNUT TEST. 3. MAIN HIGE VOLTAGE UNUT TEST. (PHOTO MODE) 4. MAIN HIGE VOLTAGE UNUT TEST. (TSM) 5.
  • Page 105 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Toner motor ON When the main code is entered, the LCD shows the following — — — display. When "1" is selected and the START key is pressed, "1"...
  • Page 106 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope 0 ∼ 6 Maintenance cycle When the sub code is entered, the LCD shows the following — setting display and the current maintenance cycle set value is dis- played on the copy quantity display.
  • Page 107 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Page. 1 SIMULATION NO. 22-1 TOTAL : nn, nnn, nnn MAINTENANCE : nn, nnn, nnn COPIES : nn, nnn, nnn DEVELOPER : nn, nnn, nnn RADF : nn, nnn, nnn STAPLER : nn, nnn, nnn 1/2 →...
  • Page 108 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope SIMULATION NO.22-2 TOTAL MACHINE JAM :nn,nnn,nnn INFORMATION key ( ) on SIMULATION NO.22-2 ******* ******* ******* ******* ******* ******* ******* ******* ******* ******* (Last Page) SCROLL key ( ) on SIMULATION NO.22-2 INFORMATION...
  • Page 109 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Error (trouble) When the sub code is entered, the LCD shows the trouble — — — counter display count. With the trouble count displayed, when the information (*) key is pressed, the LCD shows the trouble code display, where the latest 10 trouble codes (x max.
  • Page 110 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope When the main code is inputted, the LCD shows the following display and a sub code blinks on the copy quantity display. With the RPL on, enter the desired sub code and press the START key to start the operation.
  • Page 111 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope 3. MACHINE/RADF JAM COUNTER CLEAR When "3. BOTH" is selected in the jam counter selection screen and the START key is pressed, the LCD shows the following display. When "1.
  • Page 112 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Staple counter clear When the sub code is entered, the LCD shows the following — — — display to allow clearing of the staple counter. SIMULATION NO. 24-5 STAPLE COUNTER CLEAR.
  • Page 113 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope 78 ∼ 179 Automatic When the sub code is entered, the drum motor rotates for 3 P. 6 – 9 developer minutes to stir the developing unit and monitor the toner den- adjustment sity sensor value 16 times.
  • Page 114 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope 0 ∼ 3 LCC paper size When the sub code is entered, the LCD shows the following P. 6 – 9 setting (Except for display and the currently set value (paper size) is displayed on SEC and SECL) the copy quantity display.
  • Page 115 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope 1 ∼ 9 Destination setting When the sub code is entered, the LCD shows the following — P. 6 – 9 display and the currently set value is displayed on the copy quantity display.
  • Page 116 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope When main code 27"" is entered, the following LCD screen is displayed. SIMULATION NO.27 INPUT 1-5 1.DISABLING OF U7-00 TROUBLE 2.PC/MODEM DATA CHANGE.:TEL # 3.PC/MODEM DATA CHANGE.:ID # 4.SERVICE START/END REPORT.
  • Page 117 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope During execution, the following message is displayed on the basic screen. SIMULATION NO.27-3 SELECT NUMBER TO CHANGE DATA. 1. PPC ID 2. PC/MODEM ID (When "1" is selected:) The following message (A) and (B) are displayed in the basic screen.
  • Page 118 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope During execution, the following message is displayed. SIMULATION NO.27-5 PRESENT TAG: ******** NEW TAG : Then a tag number (8 digits) can be entered with 10 key pad. After entering, press the print switch, and the following mes- sage will be displayed, allowing tag number setting and check- ing.
  • Page 119 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Tray sensor check When the sub code is entered, the LCD shows the following — — — display to allow checking of the machine sensors. (When sensed, it is highlighted.) SIMULATION NO.
  • Page 120 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope When the main code number "43" is entered, the LCD shows Single mode — — the stand-by and single copy fusing temperature adjustment level setting screen and the RPL lights up. The current set Double mode value is displayed on the copy quantity display.
  • Page 121 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope 1 ∼ 5 Process control When the sub code is entered, the current setting of process — inhibit/allow setting control inhibit/allow is displayed on the copy quantity display. With the RPL on, enter the set value of proces control in- hibit/allow with the 10-key and press the START key to store the setting.
  • Page 122 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Process control When the sub code is entered, the LCD shows the following — — — data display display to allow checking of the output level of the drum mark- ing sensor and the process control sensor.
  • Page 123 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope When the main code is inputted, the LCD shows the following display and a sub code blinks on the copy quantity display. With the RPL on, enter the desired sub code and press the START key to start the operation.
  • Page 124 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Paper transport When this simulation is executed, the machine starts warming — — direction magnification ratio At that time, the LCD shows the following display and the adjustment current set value of the mirror speed correction data is dis- played on the copy quantity display.
  • Page 125 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope No. 4/5 mirror When the sub code is entered, the LCD shows the following — — — characteristics display and the currently set value of "48D" (Focus correction value input value data) is displayed on the copy quantity display.
  • Page 126 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope When the main code is inputted, the LCD shows the following display and a sub code blinks on the copy quantity display. With the RPL on, enter the desired sub code and press the START key to start the operation.
  • Page 127 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Lead edge When this simulation is executed, the machine starts warming — — P. 8 – 17 adjustment (simple up and the LCD shows the following display. The currently set type) value of "50_L1"...
  • Page 128 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope LCD DISPLAY COPY QUANTITY DISPLAY : Distance from MHP to image lead edge (1 count = 0.47mm) INPUT_A (0~99) SCROLL KEY * * * : Time data from image lead edge to PSC ON (1 count = 0.5ms) INPUT_B (0~99) SCROLL KEY * * *...
  • Page 129 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Separation pawl When the sub code is entered, the LCD shows the following — — — timing adjustment display and the currently set value of the separation pawl timing is displayed on the copy quantity display.
  • Page 130 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope After completion of warming up, copying is allowed. LCD DISPLAY COPY QUANTITY DISPLAY WARP AMOUNT OFF TIMING * * * (1~99) (1~60) : Manual feed tray INTERRUPTION KEY ON SCROLL kEY * * * CAS1 (1~99)
  • Page 131 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope LCD DISPLAY COPY QUANTITY DISPLAY : Manual feed tray 51A MFT (1~99) SCROLL KEY * * * : Tray 1 51B CAS1 (1~99) SCROLL KEY * * * : Tray 2 51C CAS2 (1~99) SCROLL KEY...
  • Page 132 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope LCD DISPLAY COPY QUANTITY DISPLAY : Manual feed tray 51A MFT (1~99) SCROLL KEY * * * : Tray 1 51B CAS1 (1~99) SCROLL KEY * * * : Tray 2 51C CAS2 (1~99) SCROLL KEY...
  • Page 133 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope Duplex width guide When the sub code is entered, the LCD shows the following — — — adjustment display and the currently set value of the intermediate tray alignment plate adjustment value is displayed on the copy quantity display.
  • Page 134 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope When the main code is inputted, the LCD shows the following display and a sub code blinks on the copy quantity display. With the RPL on, enter the desired sub code and press the START key to start the operation.
  • Page 135 Adjustment value Main Item Contents Ref. page Adjustment code code Default scope RADF empty Used to adjust the threshold value of the RADF empty sensor — — — sensor adjustment sensing level. When this simulation is executed, the RADF adjusts the threshold value of the sensor sensing level automatically.
  • Page 136 PPC communication codes in the trouble mode Trouble code Trouble name Sub code Content of trouble ADU alignment plate home position detection trouble ADU trouble ADU rear plate home position detection trouble Communication rouble between the RADF and the machine Resist sensor trouble Paper reverse sensor trouble RADF trouble...
  • Page 137: Upper Heat Roller

    [10] MAINTENANCE Check F Clean b Replace ê Shift position v Adjust Lubricate Unit Part name 100K 200K 300K 400K Remark Drum Cleaner blade Toner reception seal Cleaner seal Charging plate unit (saw teeth) Screen grid MC case Process Drum separation pawl Blank lamp Discharge lamp Charger case...
  • Page 138: Key Operator Program List

    Key operator program list Code Program name Function Page No. Auditing Mode Enables or disables the basic auditing mode for copier access. Copies by Account Displays the total number of copies made against account numbers. Billing Clear Mode Clears all audit accounts or selectively clears individual accounts. Account Number Control Enters account numbers, clears account numbers, changes an account number, or displays all assigned account numbers.

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