Olivetti DF-790 Service Manual Download Page 90

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3NB/3ND/3N0/3NK

1-5-3

3. Remove all connectors from the DF

main PWB.

4. Remove six screws.
5. Remove the DF main PWB.
6. Check or replace the DF main PWB

and refit all the removed parts.

CAUTION:

when replacing the DF main

PWB, remove the EEPROM (U2) from
the DF main PWB that has been
removed and then reattach it to the new
DF main PWB.

Figure 1-5-3

YC23

YC17

YC14

YC16

YC15

YC22

YC6

YC13

YC19

YC1

YC2

YC21

YC5

YC7

YC8

YC1
1

YC9

YC10

YC3

YC12

YC18

YC4

YC20

Screw

DF main PWB

Service Manual Y113480-7

Summary of Contents for DF-790

Page 1: ...SERVICE MANUAL Options DF 790 BF 730 MT 730 AK 730 PH 7C Code Y113480 7...

Page 3: ...ficials for details in your area for proper disposal ATTENTION IL Y A UN RISQUE D EXPLOSION SI LA BATTERIE EST REMPLACEE PAR UN MODELE DE TYPE INCORRECT METTRE AU REBUT LES BATTERIES UTILISEES SELON L...

Page 4: ...This page is intentionally left blank...

Page 5: ...sonnel to ensure the safety of their customers their machines as well as themselves during maintenance activities Service personnel are advised to read this booklet carefully to familiarize themselves...

Page 6: ...this symbol CAUTION Bodily injury or damage to property may result from insufficient attention to or incorrect com pliance with warning messages using this symbol Symbols The triangle symbol indicates...

Page 7: ...or dusty place This may cause fire or electric shock Do not install the copier near a radiator heater other heat source or near flammable material This may cause fire Allow sufficient space around th...

Page 8: ...carefully Always check that the copier is correctly connected to an outlet with a ground connection Check that the power cable covering is free of damage Check that the power plug is dust free If it i...

Page 9: ...caution labels that should be present on the machine according to the instruction handbook are clean and not peeling Replace with new ones if necessary Handle greases and solvents with care by followi...

Page 10: ...This page is intentionally left blank...

Page 11: ...4 11 1 Self diagnostic function 1 4 11 2 Self diagnostic codes 1 4 12 1 4 3 Electric problems 1 4 26 1 4 4 Mechanical problems 1 4 32 1 5 Assembly and disassembly 1 5 1 Precautions for assembly and d...

Page 12: ...Electrical Parts Layout 2 2 1 Electrical parts layout 2 2 1 1 PWBs 2 2 1 2 Switches and sensors 2 2 2 3 Motors 2 2 4 4 Solenoids and cluch 2 2 5 5 Bridge section 2 2 6 6 Center folding unit option 2 2...

Page 13: ...K 65 sheets 90 g m2 70 sheets 64 g m2 Power source Electrically connected to the machine Dimensions W D H 607 2 668 5 1061 3 mm 23 29 32 26 5 16 41 25 32 Weight Approx 40 kg Approx 88 2 lb or less Ite...

Page 14: ...Folio Ledger Legal 60 to 105 g m2 50 sheets 106 to 163 g m2 25 sheets A4 A4R B5 B5R A5R Letter LetterR statementR 8K 16K 16KR 60 to 105 g m2 100 sheets 106 to 163 g m2 50 sheets Dimensions 510 W x 40...

Page 15: ...2 Parts names 1 Document Finisher Figure 1 1 1 5 4 2 1 3 6 1 DF Main tray tray A 2 DF left sub tray tray B 3 DF right sub tray tray C 4 DF upper front cover 5 DF lower front cover 6 DF operation pane...

Page 16: ...1 1 2 7 8 3 2 1 5 4 6 Centerfold unit option 1 Centerfold unit release lever 2 Centerfold tray 3 Centerfold unit top cover 4 Staple cartridge holder 5 Staple cartridge holder 6 Centerfold bridge unit...

Page 17: ...3NB 3ND 3N0 3NK 1 1 5 3 Bridge unit Figure 1 1 3 2 1 4 3 5 1 Bridge eject cover 2 Bridge conveying unit 3 Bridge conveying cover 4 Bridge drive unit 5 Bridge entry unit Y113480 7 Sevice Manual...

Page 18: ...0 4 2 3 5 7 9 1 DF processing section 2 Right sub tray eject section 3 Left sub tray eject section 4 Main tray eject section 5 Staple unit 6 Bridge unit section 7 Center folding bridge unit 8 Center f...

Page 19: ...y or low temperature and low humidity an abrupt change in the environmental temperature and cool or hot direct air Avoid places subject to dust and vibrations Choose a surface capable of supporting th...

Page 20: ...m left pad 4 Document Finisher 5 Plastic sheet 6 Outer case 7 Upper right pad 8 Upper left pad 9 Spacer A 10 Finisher tray 11 Spacer B 12 Earth connection plate 13 Earth spring 14 Wire guide 15 Staple...

Page 21: ...nit 5 Bridge drive unit 6 Bridge eject unit 7 Spacer A 8 Spacer B 9 Top spacer 10 Left connevtion cover 11 Upper front cover 12 Left scanner cover 13 Lower connevtion cover 14 Left cover 15 Front left...

Page 22: ...3NB 3ND 3N0 3NK 1 2 4 Center folding Unit Figure 1 2 3 17 19 11 4 3 13 2 5 15 29 16 8 14 6 7 18 20 12 9 10 1 21 22 23 24 25 26 27 28 Service Manual Y113480 7...

Page 23: ...er folding bridge unit 10 Spacer D 11 Spacer E 12 CF tray 13 Spacer F 14 Front rail 15 Rear rail 16 Guide 17 Spacer G 18 CF stock tray 19 Spacer H 20 Output stopper 21 Front side cover 22 Rear side co...

Page 24: ...17 15 14 13 1 Mailbox 2 Outer case 3 Inner case 4 Bottom pad A 5 Bottom pad B 6 Plastic sheet 7 Inner pad 8 Side spacer 9 Accessory case 10 Trays 11 Plastic bag 12 Plastic bag 13 Front mounting plate...

Page 25: ...2 Removing the tapes and pads Document Finisher Procedure 1 Remove tape from the finisher try Figure 1 2 5 2 Remove five tapes from the document finisher Figure 1 2 6 Tape Tape Tape Tape Tape Tape Y1...

Page 26: ...3NB 3ND 3N0 3NK 1 2 8 3 Open the DF upper front cover Figure 1 2 7 4 Remove three tapes and pad Figure 1 2 8 DF upper front cover Tape Tape Tape Pad Service Manual Y113480 7...

Page 27: ...ND 3N0 3NK 1 2 9 5 Remove tape from the DF upper rear cover Figure 1 2 9 6 Remove the lid rear cover and then remove tape Figure 1 2 10 DF Upper rear cover Tape Tape Lid rear cover Y113480 7 Sevice Ma...

Page 28: ...3ND 3N0 3NK 1 2 10 Bridge unit Procedure 1 Remove tape from the bridge entry unit Figure 1 2 11 2 Remove five tapes from bridge convey ing unit Figure 1 2 12 Tape Tapes Tape Tapes Service Manual Y1134...

Page 29: ...3NB 3ND 3N0 3NK 1 2 11 3 Remove two tapes from the bridge eject unit Figure 1 2 13 4 Remove three tapes and two pads Figure 1 2 14 Tape Tape Pad Pad Tape Tape Tape Y113480 7 Sevice Manual...

Page 30: ...3NB 3ND 3N0 3NK 1 2 12 5 Remove tape from the bridge drive unit Figure 1 2 15 Tape Service Manual Y113480 7...

Page 31: ...es and paper Figure 1 2 16 2 Remove nine tapes and pad Note Remove the tapes from the wire guide during installation Refer to the installa tion guide Figure 1 2 17 Tape Tape Paper Pad Tape Tape Tape T...

Page 32: ...3NB 3ND 3N0 3NK 1 2 14 3 Remove tape and pad Figure 1 2 18 Tape Pad Service Manual Y113480 7...

Page 33: ...3NB 3ND 3N0 3NK 1 2 15 Mail box Procedure 1 Remove two tapes Figure 1 2 19 2 Remove five tapes and paper Figure 1 2 20 Tape Tape Tape Tape Tape Tape Tape Paper Y113480 7 Sevice Manual...

Page 34: ...3NB 3ND 3N0 3NK 1 2 16 This page is intentionally left blank Service Manual Y113480 7...

Page 35: ...eys Enter the maintenance item number using the cursor up down keys or numeric keys The selected maintenance item is run Press the stop key Press the start key Start End Maintenance mode is entered Th...

Page 36: ...nel and support equipment U234 Setting punch destination Inch Inch Europe Met ric Metric U237 Setting finisher stack quantity U240 Checking the operation of the finisher U241 Checking the operation of...

Page 37: ...anner ROM Scanner Boot Scanner booting RFID RFID ROM IH CPU IH CPU ROM IH CPU Boot IH CPU booting Motor CPU Motor CPU ROM Motor CPU Boot Motor CPU booting Dictionary Option Language Optional language...

Page 38: ...paper feeder Side large capacity feeder booting DF 1000 sheet finisher 4000 sheet finisher ROM DF Boot 1000 sheet finisher 4000 sheet finisher booting PH Punch unit ROM PH Boot Punch unit booting MT M...

Page 39: ...ct the destination Initial setting Inch Inch specifications Europe Metric Metric specifications 3 Press the start key The setting is set 4 Turn the main power switch off and on Allow more than 5 secon...

Page 40: ...ing using the keys or numeric keys Initial setting 0 Number of sheets of stack on the internal tray for non staple copying 10 sheets 2 Press the start key The setting is set 3 Turn the main power swit...

Page 41: ...speed Middle H DF middle motor DFMM is turned on at high speed Middle L DF middle motor DFMM is turned on at low speed Eject H DF eject motor DFEM is turned on at high speed Eject L DF eject motor DFE...

Page 42: ...F center fold solenoid DFCFSOL is turned on Punch Punch solenoid PUSOL is turned on Three Fold CF feedshift solenoid CFFSSOL is turned on Display Description Conv Mailbox drive motor MBDM is turned on...

Page 43: ...and sensor of the mailbox Booklet Checking the switch and sensor of the center folding unit Punch Checking the switch and sensor of the punch unit Display Description Front Cover DF front cover switch...

Page 44: ...tion Display Description Eject MB eject sensor MBES Cover MB cover open close switch MBCOCSW Over Flow1 MB overflow sensor 1 MBOFS1 Over Flow2 MB overflow sensor 2 MBOFS2 Over Flow3 MB overflow sensor...

Page 45: ...F eject sensor CFES Paper CF paper sensor CFPS Tray Full CF tray full sensor CFTFS Bundle Up HP CF adjustment sensor 1 CFADS1 Bundle Down HP CF adjustment sensor 2 CFADS2 Width Up HP CF side registrat...

Page 46: ...ion when paper jam occurs due to an inferior fitting of the side registration guides to paper Adjustment of booklet stapling position Adjusts the booklet stapling position in the stitching mode if the...

Page 47: ...numeric keys If the distance of the position of a punch hole is smaller than the specified value A increase the setting value If the distance is larger than the value A decrease the setting value Fig...

Page 48: ...e adjustment until paper is properly in position Setting Shift Front HP Shift Tail HP 1 Select Shift Front HP or Shift Tail HP 2 Change the setting value using the keys or numeric keys 3 Press the sta...

Page 49: ...of front and back stapling home position 15 to 15 0 0 19 mm Sample 2 Sample 1 Display Description Width Up HP Adjustment of upper side registration home position Width Down HP Adjustment of lower side...

Page 50: ...ange the setting value using the keys or numeric keys When staples are placed too far right sample 1 decrease the preset value When staples are placed too far left sample 2 increase the preset value R...

Page 51: ...t sample 1 increase the preset value When the tri fold position too far left sample 2 decrease the setting value Reference value A 7 0 2 mm Figure 1 3 7 3 Press the start key The value is set Completi...

Page 52: ...ption Display Description DP Counts of DP DF Counts of 1000 sheet or 4000 sheet finisher Display Description ADP No of single sided originals that has passed through the DP RADP No of double sided ori...

Page 53: ...3NB 3ND 3N0 3NK 1 3 19 This page is intentionally left blank Y113480 7 Sevice Manual...

Page 54: ...gure 1 4 1 Paper misfeed indication A D H D K K K L L L L J J G J J H I F J J J J B C E E F C C A Misfeed in cassette 1 B Misfeed in cassette 2 C Misfeed in cassette 3 or 4 option D Misfeed in the MP...

Page 55: ...2 2 Paper misfeed detection condition Figure 1 4 2 Paper jam location 1 BRCS1 BRCS2 BRES DFSES DFPES DFMES DFDRS DFMTS CFPCS CFPES CFES TOFSW1 TEJS TOFSW2 TOFSW3 TOFSW4 TOFSW5 TOFSW6 TOFSW7 TEJS Y113...

Page 56: ...paper feeder F 4907 Bridge conveying sensor 1 BRCS1 does not turn on during paper feed from cassette 7 side paper feeder F 4908 Bridge conveying sensor 1 BRCS1 does not turn on during paper feed from...

Page 57: ...per feeder I 5006 Bridge conveying sensor 2 BRCS2 does not turn on during paper feed from cassette 6 side paper feeder I 5007 Bridge conveying sensor 2 BRCS2 does not turn on during paper feed from ca...

Page 58: ...or BRES does not turn on dur ing paper feed from cassette 5 SMT paper feeder I 5106 Bridge eject sensor BRES does not turn on dur ing paper feed from cassette 6 side paper feeder I 5107 Bridge eject s...

Page 59: ...21 DF front cover is opened during operation 1000 sheet finisher J 6041 DF top cover open DF top cover is opened during operation 1000 sheet finisher J 6050 CF eject cover open CF eject cover is opene...

Page 60: ...turn on within specified time of DF paper entry sensor DFPES turning on 4000 sheet finisher J 6301 DF middle eject sensor DFMES does not turn on within specified time of DF paper entry sensor DFPES tu...

Page 61: ...ndle discharge sensor DFBDS is not turned off since the bundle discharge starts 1000 sheet finisher J 6600 DF drum sensor non arrival jam DF drum sensor DFDRS does not turn on within specified time of...

Page 62: ...00 CF eject sensor non arrival jam CF eject sensor CFES is not turned on within specified time since centerfold operation starts J 7210 CF eject sensor stay jam During centerfold operation CF eject se...

Page 63: ...jam MB eject sensor MBES is not turned off within specified time of its turning on J 7820 MB eject sensor remaining jam MB eject sensor MBES does turned on when the power is turned on or cover close J...

Page 64: ...d with self diagnostic function When a problem is detected the machine stops print ing and display an error message on the operation panel An error message consists of a message prompting a contact to...

Page 65: ...ition sensor and punch PWB YC8 Punch PWB YC1 and DF main PWB YC8 Defective punch home position sen sor Replace the punch home position sensor Defective punch motor Replace the punch motor Defective PW...

Page 66: ...r correct operation see page 1 5 2 8090 DF paddle motor error When the DF paddle motor is driven DF paddle sensor does not turn on within 1 s Defective connec tor cable or poor contact in the con nect...

Page 67: ...hen the DF shift motor 1 is driven DF shift sensor 1 does not turn on within 160 ms Defective connec tor cable or poor contact in the con nector Reinsert the connector Also check for conti nuity withi...

Page 68: ...or does not turn on within 20 s Defective connec tor cable or poor contact in the con nector 4000 sheet finisher Reinsert the connector Also check for conti nuity within the connector cable If none re...

Page 69: ...sensor Defective DF tray motor Replace the DF tray motor Defective DF main PWB Replace the DF main PWB and check for correct operation see page 1 5 2 8160 DF tray motor error 3 When the main tray has...

Page 70: ...or 1 Defective DF main PWB Replace the DF main PWB and check for correct operation see page 1 5 2 8180 DF side registration motor 1 error 2 JAM6810 is detected twice Defective connec tor cable or poor...

Page 71: ...or 2 Defective DF main PWB Replace the DF main PWB and check for correct operation see page 1 5 2 8200 DF side registration motor 2 error 2 JAM6910 is detected twice Defective connec tor cable or poor...

Page 72: ...able or poor contact in the con nector 4000 sheet finisher Reinsert the connector Also check for conti nuity within the connector cable If none replace the cable Staple unit and DF main PWB YC17 Defec...

Page 73: ...r Reinsert the connector Also check for conti nuity within the connector cable If none replace the cable CF adjustment motor 1 2 and CF main PWB YC10 CF adjustment sensor 1 2 and CF main PWB YC20 Defe...

Page 74: ...onnector cable If none replace the cable CF side registration motor 1 and CF main PWB YC10 CF side registration sensor 1 and CF main PWB YC20 Defective CF side registration sensor 1 Replace CF side re...

Page 75: ...de motor Replace the punch slide motor Defective PWB Replace the punch PWB or DF main PWB and check for correct operation see page 1 5 2 8420 Punch slide motor error 2 In detection of paper edges the...

Page 76: ...onnec tor cable or poor contact in the con nector Reinsert the connector Also check for conti nuity within the connector cable If none replace the cable MB main PWB YC3 and DF main PWB YC6 Defective P...

Page 77: ...ive connec tor cable or poor contact in the con nector 1000 sheet finisher Reinsert the connector Also check for conti nuity within the connector cable If none replace the cable DF main PWB YC7 and en...

Page 78: ...rt the connector Also check for conti nuity within the connector cable If none replace the cable CF main PWB YC7 and DF main PWB YC9 Improper installa tion EEPROM Check the installation of the EEPROM...

Page 79: ...rotate smoothly If not grease the bushes and gears Check for broken gears and replace if any 3 Defective motor Replace the DF middle eject motor 4 Defective PWB Replace the DF main PWB and check for...

Page 80: ...on motor 1 2 4 Defective PWB Replace the DF main PWB and check for correct operation see page 1 5 2 7 DF drum motor does not operate 1 Defective connector cable or poor con tact in the connector Reins...

Page 81: ...so check for continuity within the connector cable If none replace the cable DF staple motor and DF main PWB YC17 2 Defective drive trans mission system Check if the rollers and gears rotate smoothly...

Page 82: ...nsert the connector Also check for continuity within the connector cable If none replace the cable CF main motor and CF main PWB YC16 2 Defective drive trans mission system Check if the rollers and ge...

Page 83: ...insert the connector Also check for continuity within the connector cable If none replace the cable CF feedshift solenoid and DF main PWB YC17 2 Defective solenoid Replace the CF feedshift solenoid 3...

Page 84: ...enter folding unit CF paper conveying sensor CF paper entry sensor CF eject sensor Mail box Tray overflow switch 1 to 7 Tray eject sen sor Check visually and remove it if any 2 Defective sensor Replac...

Page 85: ...ck visually and remedy if necessary 2 Paper jams Finisher Paper outside specifications is used Use only paper conforming to the speci fications Check if the surfaces of the following roll ers are dirt...

Page 86: ...try pul ley is correct Check visually and remedy if necessary Check if the contact between the CF eject roller and CF eject pulley is correct Check visually and remedy if necessary 4 Paper jams Mail b...

Page 87: ...3NB 3ND 3N0 3NK 1 4 34 This page is intentionally left blank Y113480 7 Sevice Manual...

Page 88: ...er cable from the wall outlet When handling PWBs printed wiring boards do not touch parts with bare hands The PWBs are susceptible to static charge Do not touch any PWB containing ICs with bare hands...

Page 89: ...ng and refitting the PF main PWB Procedure 1 Remove screw and then remove the lid rear cover Figure 1 5 1 2 Remove three screws and then remove the DF upper rear cover Figure 1 5 2 Lid rear cover Scre...

Page 90: ...remove the EEPROM U2 from the DF main PWB that has been removed and then reattach it to the new DF main PWB Figure 1 5 3 YC23 YC17 YC14 YC16 YC15 YC22 YC6 YC13 YC19 X1 1 1 1 11 1 16 15 4 12 1 6 1 1 18...

Page 91: ...Procedure 1 Open the DF upper front cover Figure 1 5 4 2 Insert a flat screwdriver under the lever of the staple cover Lift the lever upwards to open 3 Remove two connectors Figure 1 5 5 DF upper fro...

Page 92: ...B 3ND 3N0 3NK 1 5 5 4 Raise the front of the staple unit and pull the staple unit frontwards 5 Check or replace the Staple unit and refit all the removed parts Figure 1 5 6 Hook Service Manual Y113480...

Page 93: ...3NB 3ND 3N0 3NK 1 5 6 This page is intentionally left blank Y113480 7 Sevice Manual...

Page 94: ...lacement 1 6 1 Remarks on DF main PWB replacement When replacing the DF main PWB remove the EEPROM U2 from the DF main PWB that has been removed and then reattach it to the new DF main PWB Figure 1 6...

Page 95: ...6 2 Remarks on CF main PWB replacement When replacing the CF main PWB remove the EEPROM U2 from the CF main PWB that has been removed and then reattach it to the new CF main PWB Figure 1 6 2 EEPROM U2...

Page 96: ...sub tray Figure 2 1 1 Bridge unit section 5 1 1 1 3 4 6 5 2 2 2 7 8 9 10 11 13 12 1 Paper conveying roller 2 Paper conveying pulley 3 Bridge conveying sensor1 BRCS1 4 Bridge conveying sensor2 BRCS2 5...

Page 97: ...n block diagram BRCM 2 BRCS2 BRCS1 BRCM 1 BRES BRSOL YC6 2 YC4 2 YC3 YC1 YC7 1 2 3 4 YC7 5 6 7 8 BRIDGE_SENS1 BRIDGE1_B A B A BRIDGE2_B A B A BRPWB BRIDGE_SENS2 EPWBYC20 12 13 YC20 17 YC20 YC20 EXIT_S...

Page 98: ...ject sections Figure 2 1 4 Paper insertion feedshift and left sub tray eject sections block diagram 8 9 10 5 3 4 2 1 6 7 11 1 Paper entry roller 2 Paper entry pulley 3 Feedshift guide 3 4 Left sub tra...

Page 99: ...d to the feedshift section and conveys paper to the left sub tray or prosessing section In addition DF sub eject sensor detects paper jam when ejecting to the DF left sub tray Figure 2 1 5 DF sub ejec...

Page 100: ...ys paper to optional center folding unit when centerfolding the paper Figure 2 1 6 Processing section 7 6 5 9 10 8 1 2 3 4 14 13 12 16 17 15 18 11 19 1 Relief drum 2 Conveying pulley 3 Conveying pulle...

Page 101: ...2A 1A EJE PAP SENS SIG BUNDLE SENS SIG DRM SENS SIG SIDE REG F SENS SIG SIDE REG R SENS SIG PADDLE SENS SIG SIDE REG R MOT 2B 1B 2A 1A SIDE REG F MOT 2B 1B 2A 1A STAPLE SENS SIG ST MOV MOT 2B 1B 2A 1A...

Page 102: ...er path car ried to the feedshift section and first page of next group is carried to the relief section 2 In the same way second page of next group is carried to the relief drum Figure 2 1 8 3 When th...

Page 103: ...ed into the center folding unit by steering the paper within the relief drum as the DF feedshift solenoid 2 are energized respectively Figure 2 1 10 Center folding unit Feedshift guide 2 DF feedshift...

Page 104: ...ler the paper con veying guide lowers and the paper is fed to the adjustment tray by paddle DF adjustment motors 1 and 2 activate the adjustment guide to adjust the paper 3 When adjustment of the last...

Page 105: ...ay section 4 8 7 5 9 6 2 3 1 11 12 14 13 10 1 DF eject clutch DFCL 2 DF tray surface sensor 1 DFTUSS1 3 DF tray surface sensor 2 DFTUSS2 4 DF tray sensor1 DFTS1 5 DF tray sensor2 DFTS2 6 DF tray senso...

Page 106: ...4 YC23 12 DFMPWB DFTM BRAKE DIR CLK ENABLE MTRY HP1 SENS SIG TRY HALF SENS SIG MTRY BF SENS SIG DFTS1 DFTS3 DFTS5 YC23 15 MTRY FULL SENS SIG DFTS4 YC22 3 TRY U SENS SIG K DFTUSS1 2 YC21 19 YC13 3 EJEC...

Page 107: ...ce of the paper loaded on the main tray In addition a paper empty state is detected by the main tray upper limit detection sensor as it senses the upper most home position of the main tray Figure 2 1...

Page 108: ...g roller 1 2 CF paper conveying pulley 3 CF paper conveying sensor CFPCS 4 CF paper conveying roller 2 5 CF paper conveying pulley 6 CF paper entry roller 7 CF paper entry pulley 8 CF paper entry sens...

Page 109: ...18 YC20 6 YC20 15 YC20 26 YC20 29 YC20 21 YC10 9 10 11 12 YC16 1 2 3 4 YC15 1 2 3 4 STMOT_OUT1 2 CINMOT_2B 1B 2A 1A FULL WDU_HP CARRY_IN BULOW_HP TRANS PORT 3FSOL_ATT 3FSOL_HLD PAPER WDL_HP STMMOT_2B...

Page 110: ...nd 2 Figure 2 1 18 3 With the drive of the CF blade motor the CF blade pushes up the center of the paper and crowds CF left and right rollers 4 Center folded paper is ejected to the CF tray with the o...

Page 111: ...r upwards and crowds the CF left and right rollers 3 CF feedshift guide is operated by the CF feedshift solenoid which switches the paper path and conveys the paper to the relief section Figure 2 1 20...

Page 112: ...ND 3N0 3NK 2 1 17 5 The tri folded paper is ejected to the CF tray as the CF paper conveying roller 3 and CF eject roller oper ate Figure 2 1 22 CF paper conveying roller 3 CF tray Service Manual Y113...

Page 113: ...4 3 7 7 7 7 1 1 1 7 7 7 6 4 3 4 3 4 3 4 3 4 3 4 3 2 2 2 5 9 10 11 12 13 14 1 Paper conveying pulleys 2 Paper conveying rollers 3 Eject pulleys 4 Eject rollers 5 Lower paper entry guide 6 Upper paper...

Page 114: ...iagram TOFSW2 OFS2 TOFSW1 OFS1 TEJS TEJS TEJS MHPSW HP SIG MBDM TOFSW4 OFS4 TOFSW5 OFS5 TOFSW6 OFS6 LED TOFSW7 OFS7 MBMPWB YC1 18 YC2 2 YC1 5 TOFSW3 OFS3 YC1 8 YC2 14 MOTOR _A A B _B YC5 1 2 3 4 YC2 1...

Page 115: ...passes through the feedshift claw lever the feedshift claw is activated to switch the paper path for ejection to each tray In addition the tray eject sensor detects paper jam Figure 2 1 25 Belt retain...

Page 116: ...installed on the paper insertion section of the finisher It stops paper conveyance and punches paper Figure 2 1 26 Punch unit 1 4 5 2 3 1 Punch cam 2 Punch cutter 3 Punch waste box 4 Punch home positi...

Page 117: ...DFMPWB PUNPWB YC8 3 PUHPS PHMOT_HP YC8 6 YC8 YC7 PUM PHMOT_N P YC1 1 3 YC2 2 YC1 PUSLM PUSLS PUPES2 PUPES1 PUSOL PUTFS YC5 10 YC5 2 3 YC7 1 YC6 3 YC5 2 3 4 5 YC3 1 2 3 4 PHTNK_FUL PHSOL_PUL RET PHLED_...

Page 118: ...yout 2 2 1 Electrical parts layout 1 PWBs Figure 2 2 1 PWBs 1 DF main PWB DFMPWB Controls electrical components 2 Staple relay PWB STRPWB Relay the staple unit control signal 1 2 Machine front Machine...

Page 119: ...he conveying section 3 DF eject paper sensor DFMTS Detects a paper in the eject section 4 DF side registration sensor 1 DFSRS1 Detects the front registration plate in the home position 5 DF side regis...

Page 120: ...ects upper surface of paper in the DF main tray 16 DF tray upper surface sensor 2 DFTUSS2 Detects upper surface of paper in the DF main tray 17 DF shift set sensor DFSFSS Detects the side shift guide...

Page 121: ...motor 2 DFSRM2 Drives the rear registration plate 7 DF drum motor DFDRM Drives the relief drum 8 DF eject motor DFEM Drives the eject roller 9 DF tray motor DFTM Raises and lowers the eject tray 10 D...

Page 122: ...t solenoid 1 DFDRSOL Operates feedshift guide 1 2 DF feedshift solenoid 2 DFCFSOL Operates feedshift guide 2 3 DF feedshift solenoid 3 DFFSSOL Operates feedshift guide 3 4 DF eject clutch DFECL Drives...

Page 123: ...sor BRES Detects a paper misfeed in the bridge eject section 5 Bridge conveying unit switch BRCUSW Detects opening closing of the bridge cover 6 Bridge eject cover switch BRECSW Detects opening closin...

Page 124: ...s ejection of the paper to the CF tray 11 CF paper conveying sensor CFPCS Detection of paper in the CF bridge unit 12 CF paper entry sensor CFPES Detects insertion of paper in the center folding unit...

Page 125: ...ay overflow switch 5 TOFSW5 Detected overflow of ejected to tray 5 7 Tray overflow switch 6 TOFSW6 Detected overflow of ejected to tray 6 8 Tray overflow switch 7 TOFSW7 Detected overflow of ejected t...

Page 126: ...osition of the punch unit 5 Punch tank full sensor PUTFS Detects when the punch waste tank is full 6 Punch paper edge sensor1 PUPES1 Detects the side edge position of the paper 7 Punch paper edge sens...

Page 127: ...3NB 3ND 3N0 3NK 2 2 10 This page is intentionally left blank Y113480 7 Sevice Manual...

Page 128: ...1 DF main PWB silk screen diagram YC23 YC17 YC14 YC16 YC15 YC22 YC6 YC13 YC19 X1 1 1 1 11 1 16 15 4 12 1 6 1 1 18 2 13 1 14 YC1 U2 1 5 1 5 YC2 YC21 YC5 1 1 1 1 12 2 4 19 YC7 YC8 YC11 YC9 YC10 1 1 5 1...

Page 129: ...lse Serial communication data signal input 7 ENG DO O 0 3 3 V DC pulse Serial communication data signal output YC5 1 GND Ground Connected to machine 2 GND Ground 3 24V1 I 24 V DC 24 V DC power input f...

Page 130: ...ation data signal output YC8 1 GND Ground Connected to the punch PWB 2 24V2 O 24 V DC 24 V DC power output YC9 1 BF DO O 0 3 3 V DC Serial communication data signal output Connected to the CF main PWB...

Page 131: ...C pulse DFERM control signal 18 EJE RELS MOT 1B O 0 24 V DC pulse DFERM control signal 19 EJE RELS MOT 2A O 0 24 V DC pulse DFERM control signal 20 EJE RELS MOT 1A O 0 24 V DC pulse DFERM control sign...

Page 132: ...REG F MOT 1B O 0 24 V DC pulse DFSRM1 control signal 11 SIDE REG F MOT 2A O 0 24 V DC pulse DFSRM1 control signal 12 SIDE REG F MOT 1A O 0 24 V DC pulse DFSRM1 control signal YC17 1 STP_MOT OUT2 O 0...

Page 133: ...L On Off 11 24V2 O 24 V DC 24 V DC power output 12 SUB_MID SOL ACT O 0 24 V DC DFFSSOL On Off 13 SUB_MID SOL KEEP O 0 24 V DC DFFSSOL On Off YC19 1 BRAKE O 0 24 V DC 3 3 V DC power output to DFEPS Con...

Page 134: ...round 18 3 3V O 3 3 V DC 3 3 V DC power output 19 TRY U SENS K O 0 3 3 V DC DFTUSS1 On Off YC22 1 MTRY HP1 SENS A O 3 3 V DC 3 3 V DC power output to DFTS1 Connected to the DF tray sensor1 2 DF slide...

Page 135: ...SS On Off YC23 1 SFT F HP SENS A O 3 3 V DC 3 3 V DC power output to DFSFS1 Connected to the DF shift sensor1 2 DF tray sensor 3 4 5 and DF shift release sensor 2 GND Ground 3 SFT F HP SENS SIG I 0 3...

Page 136: ...3NB 3ND 3N0 3NK 2 3 9 18 SFT RELS SENS SIG I 0 3 3 V DC DFSFRS On Off Connector Pin Signal I O Voltage DescrIption Service Manual Y113480 7...

Page 137: ...ram YC11 YC15 YC16 YC14 U19 U1 U16 U17 U20 U12 U9 U11 U10 U14 U15 X1 U2 U8 U6 YC12 YC13 YC20 YC18 U18 YC10 YC17 YC6 YC9 YC4 YC19 YC3 YC5 YC7 YC8 YC1 YC2 1 1 6 7 12 1 U7 U13 5 1 30 16 15 1 6 1 1 5 1 1...

Page 138: ...Ground 3 ENG_RDY I 0 3 3 V DC Ready signal 4 ENG_SEL O 0 3 3 V DC Select signal 5 ENG_CLK O 0 3 3 V DC Clock signal 6 ENG_DI I 0 3 3 V DC Serial communication data signal input 7 ENG_DO O 0 3 3 V DC S...

Page 139: ...it HP signal 6 STMOT_OUT1 O 0 5 V DC pulse CFSTM control signal 7 STMOT_OUT1 O 0 5 V DC pulse CFSTM control signal 8 FGND Ground 9 STMOT_OUT2 O 0 5 V DC pulse CFSTM control signal 10 STMOT_OUT2 O 0 5...

Page 140: ...SRS1 On Off 7 5V O 5 V DC 5 V DC power output 8 GND Ground 9 FULL I 0 5 V DC CFTFS On Off 10 5V O 5 V DC 5 V DC power output 11 GND Ground 12 OUT I 0 5 V DC CFES On Off 13 5V O 5 V DC 5 V DC power out...

Page 141: ...3ND 3N0 3NK 2 3 14 2 3 3 Mailbox main PWB Figure 2 3 3 Mailbox main PWB silk screen diagram YC1 YC2 YC3 YC4 U2 U1 U4 X1 YC7 YC6 YC5 U3 U5 13 12 1 19 1 1 1 3 11 20 2 5 1 1 7 1 4 2 Y113480 7 Sevice Man...

Page 142: ...I 0 5 V DC TOFSW5 On Off 15 5V O 5 V DC 5 V DC power output 16 LED O 0 5 V DC LED signal 17 GND Ground 18 TEJS I 5 0 V DC pulse TEJS Off On receiving 19 5V O 5 V DC 5 V DC power output YC2 1 5V O 5 V...

Page 143: ...ilbox clock signal 10 SEL I 0 5 V DC Mailbox select signal 11 READY O 0 5 V DC Mailbox ready signal YC4 1 R24V I 24 V DC 24 V DC power input Connected to the mailbox cover open close switch 3 24V O 24...

Page 144: ...BRIDGE OPEN O 0 5V DC BRCUSW On Off 3 BRIDGE_SENS 2 O 0 5V DC BRCS2 On Off 4 BRIDGE1 DIR I 0 5V DC BRCM1 control signal 5 BRIDGE1 PD I 0 5V DC BRCM1 control signal 6 BRIDGE1 CLK I 0 5V DC pulse BRCM1...

Page 145: ...Off 6 5V O 5V DC 5 V DC power output to BRCUSW 7 NC Not used YC7 1 BRIDGE1_B O 0 24V DC pulse BRCM1 control signal Connected to the bridge conveying motor1 2 2 BRIDGE1_A O 0 24V DC pulse BRCM1 control...

Page 146: ...4 PH_SEL I 0 3 3V DC Select signal from the machine 5 PH_RDY O 0 3 3V DC Ready signal to the machine 6 PHMOT_REQ I 0 3 3V DC PUM On Off 7 PHPES_REQ O 0 3 3V DC PUPES On Off 8 GND Ground 9 GND Ground 1...

Page 147: ...PHLED_A O 0 3 3V DC PUPES1_A On Off 5 PHLED_B O 0 3 3V DC PUPES1_B On Off 6 PHLED_C O 0 3 3V DC PUPES1_C On Off 7 PHLED_D O 0 3 3V DC PUPES1_D On Off 8 PHLED_3 3V O 3 3V DC 3 3 V DC power output to PU...

Page 148: ...3NB 3ND 3N0 3NK 2 3 21 YC9 1 PHTNK_SET I 0 3 3V DC PUTSSW On Off Connected to the punch tank set switch 2 GND Ground Connector Pin Signal I O Voltage Description Service Manual Y113480 7...

Page 149: ...3NB 3ND 3N0 3NK 2 3 22 This page is intentionally left blank Y113480 7 Sevice Manual...

Page 150: ...1 1 2 3 3 2 1 2 1 3 3 2 1 1 3 2 1 2 3 3 2 1 3 2 1 3 2 1 2 3 5 4 1 1 3 2 9 7 8 1 3 2 1 3 2 1 3 2 6 2 1 5 4 3 6 2 1 2 3 4 1 5 6 5 4 3 6 2 1 2 3 1 3 2 1 3 2 1 1 2 3 2 3 1 1 2 3 A8 A8 A9 A9 B8 B8 YC3 YC4...

Page 151: ...12 11 3 14 3 6 15 1 18 17 17 16 8 BRIDGE2 DIR 5 13 12 BRIDGE_SENS 2 BRIDGE1 DIR BRIDGE1 PH BRIDGE1 REM 3 BRIDGE OPEN 2 3 BRIDGE1 DIR 5 15 BRIDGE2 PD BRIDGE2 MODE 13 19 BRIDGE2 CLK BRIDGE2 REM 7 11 12...

Page 152: ...3 3 2 1 2 1 2 3 2 3 2 1 2 1 3 3 2 1 2 1 3 3 2 1 2 1 3 3 2 1 2 1 3 3 2 1 2 1 3 GND GND GND GND GND 5V ENG_RDY ENG_SEL ENG_CLK ENG_DI ENG_DO YC9 YC10 3 3V 3 3V 1 2 3 4 6 1 2 3 4 6 24V2 3 2 1 3 2 1 3 1...

Page 153: ...5 4 3 2 1 GND GND GND 5V 24V 24V SDI SDO SCLK SEL READY YC5 1 2 3 4 4 3 2 1 MOTOR _A MOTOR A MOTOR B MOTOR _B 1 2 1 2 YC4 1 3 1 3 R24V 24V YC7 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 GND GND G...

Page 154: ...GND YC4 PHMOT_ N 1 2 GND 1 1 PHADJ_ HP PHADJ_ MOT 1B 2 PH_ CLK 2 PHADJ_ MOT 2B 1 1 SENS3 3V 1 1 YC6 2 2 PHADJ_ HP 3 3 YC5 24V2 1 PHSOL_ PUL 2 2 PHSOL_ RET PHSOL_ PUL 24V2 SENS3 3V PHADJ_ MOT_ An PHAD...

Page 155: ...STATODIAGGIORNAMENTO UPDATINGSTATUS DATA PAGINE AGGIORNATE PAGINE CODICE DATE UPDATED PAGES PAGES CODE 08 2011 1a EDIZIONE 1st EDITION 155 Y113480 7...

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Olivetti DF-790, Service Manual

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