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Toshiba DP3500, Service Handbook

The Toshiba DP3500 Service Handbook is a must-have manual for owners of this exceptional product. Packed with comprehensive instructions, troubleshooting tips, and expert advice, this manual is available for free download from our website. Enhance your product knowledge and maximize its performance with this invaluable resource.

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December 2000  ©  TOSHIBA TEC

5 - 55

DP4500/3500  TROUBLESHOOTING

5.1.9 Scanning system related service call

[C26] Peak detection error

Does the exposure lamp light?

YES

1. Check if the connectors on the CCD and SLG boards are disconnected.

2. Check if the shading correction plate is dirty.

3. Check if the conductor pattern on the CCD board is short- or open-circuited.

4. Check if the conductor pattern on the SLG board is short- or open-circuited.

5. Replace the lens unit.

6. Replace the SLG board.

NO

1. Check if the connectors of the exposure lamp and inverter are disconnected.

2. Check the SLG board if the connector pin J9 is disconnected and the harness is short- or open-

circuited.

3. Check if the conductor pattern on the SLG board is short- or open-circuited.

4. Replace the SLG board.

5. Replace the inverter.

6. Replace the exposure lamp.

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Summary of Contents for DP3500

Page 1: ...ick the Bookmarks to open the Contents and display Bookmarks created for the document Click a bookmark s name to go to the Page marked by that bookmark Click the Thumbnails to open the overview area and display thumbnail images of each document page Click a thumbnail to go to the Page marked by that thumbnail Copyright TOSHIBA CORPORATION 2001 ALL RIGHTS RESERVED ...

Page 2: ...y accessible 2 Service of Machines Basically be sure to turn the main switch off and unplug the power cord during service Be sure not to touch high temperature sections such as the exposure lamp the fuser unit the damp heater and their periphery Be sure not to touch high voltage sections such as the chargers high voltage transformer IH control circuit exposure lamp control inverter inverter for th...

Page 3: ...noted in this manual or other related documents Be careful not to reassemble small parts such as screws washers pins E rings star washers in the wrong places 7 Basically the machine should not be operated with any parts removed or disassembled 8 Precautions Against Static Electricity The PC board must be stored in an anti electrostatic bag and handled carefully using a wristband because the ICs on...

Page 4: ... ERROR CODE AND SELF DIAGNOSIS 2 ADJUSTMENT 3 PREVENTIVE MAINTENANCE PM 4 PRECAUTIONS FOR STORING HANDLING SUPPLIES AND PARTS 5 TROUBLESHOOTING 6 UPDATING THE FIRMWARE 7 WIRE HARNESS CONNECTION DIAGRAMS ...

Page 5: ...F adjustment 2 19 2 4 3 Gamma slope adjustment 2 19 2 4 4 Setting for the range correction 2 20 2 5 High Voltage Adjustment 2 21 2 6 Adjustment of Developer Unit 2 27 2 6 1 Adjustment of the doctor sleeve gap 2 27 2 6 2 Adjustment of the developer polarity position 2 29 2 7 Adjustment of Scanning Section 2 30 2 7 1 Adjustment of carriages 2 30 2 7 2 Lens unit 2 34 2 8 Adjustment of Angle of the Pr...

Page 6: ...nisher 5 28 5 1 7 Drive system related service call 5 48 5 1 8 Paper feeding system related service call 5 49 5 1 9 Scanning system related service call 5 55 5 1 10 Fuser unit related service call 5 57 5 1 11 Communication related service call 5 60 5 1 12 ADF related service call 5 63 5 1 13 Laser optical unit related service call 5 65 5 1 14 Finisher related service call 5 66 5 1 15 Service call ...

Page 7: ...0 3500 CONTENTS 6 2 4 Display 6 25 6 3 Updating the Firmware Using the Downloading Jig 6 29 6 3 1 System firmware 6 30 6 3 2 Engine firmware 6 37 7 WIRE HARNESS CONNECTION DIAGRAMS 7 1 7 1 AC Wire Harness 7 2 7 2 DCWire Harness Appendix ...

Page 8: ...ding paper not reaching the PFP lower feed sensor E19 LCF misfeeding paper not reaching the LCF feed sensor Paper transport jam inside the E20 Paper fed from the upper cassette copier 2 not reaching the registration sensor E21 Paper fed from the lower cassette not reaching the registration sensor E22 Paper fed from the lower cassette not reaching the upper feed sensor E30 Paper fed from the PFP up...

Page 9: ...rt sen sor 1 E93 Leading edge of paper not reaching the relay unit transport sensor 2 E94 Trailing edge of paper not passing the relay unit transport sen sor 2 E9F Punching jam EA1 Finisher paper transport delay jam EA2 Finisher paper transport stop jam EA3 Paper remaining inside the finisher at power ON EA4 Finisher front door opened during printing EA5 Finisher stapling jam EA6 Finisher early ar...

Page 10: ...detection error C27 Carriage home position sensor not going OFF within a fixed time C28 Carriage home position sensor not going ON within a fixed time Fuser unit related service call C41 Thermistor or heater is abnormal at power ON C43 Thermistor is abnormal after abnormality judgment C44 Fuser is abnormal after abnormality judgment C45 Side thermistor is abnormal after the copier has become ready...

Page 11: ...al CBC Saddle stitcher alignment motor is abnormal CBD Saddle stitcher guide motor is abnormal CBE Saddle stitcher paper folding motor is abnormal CBF Saddle stitcher paper positioning plate motor is abnormal CC0 Saddle stitcher sensor connector connection error CC1 Saddle stitcher microswitch error CC2 Communication error between finisher and saddle stitcher CC3 Stack processing motor is abnormal...

Page 12: ...1 BOOK 2 Two sided Single sided 4 Two sided Duplex 8 Single sided Duplex G Not used 0 Not used H Image shift 0 Not used 1 BOOK 2 LEFT 3 RIGHT I Editing 0 Not used 1 Masking 2 Trimming 3 Mirror image 4 Negative Positive J Edge erasing Dual page 0 Not used 1 Edge erase 2 Dual page 3 Edge erase Dual page K Not used 0 Not used L Function 0 Not used 1 Copying 2 Fax input 3 Fax printing 4 LAN printer 5 ...

Page 13: ...then leave the machine to the customer 0 1 POWER 0 3 POWER 0 4 POWER 0 5 POWER 0 8 POWER 9 START POWER 6 START POWER All LEDs on the control panel are lit and all the LCD pixels flash Checks the status of input output signals Outputs the test patterns Adjusts various items Sets various items Prints out the lists for the codes 05 and 08 Performs auto toner adjustment and clears the process counters...

Page 14: ...usly and then becomes standby state by pressing 0 and 9 simultaneously it can go back to the adjustment mode by the pressing of 0 and 5 simultaneously 2 In the whole control panel items lighting mode copying is disabled Enter the standby state by pressing 0 and 9 simultaneously or C S key to perform copying 3 Turn OFF the power after using the self diagnosis mode and leave the copier to the user P...

Page 15: ...ing the FAX key and the digital keys in the test mode 03 Operation procedure Note Initialization is performed before the copier enters the test mode Example of display during input check Items to be checked and the state of the copier with the icons A to H displayed in black are listed on the following pages 0 3 POWER START FAX Digital key LCD ON 0 9 Exit ...

Page 16: ...B C PFP lower cassette paper stock sensor Paper is almost finished 4 D PFP lower feed sensor There is paper E PFP motor rotation condition motor is being rotated in the output check 03 Abnormal rotation F G PFP lower cassette paper empty sensor No paper H PFP lower cassette tray up sensor Tray at upper limit position A LCF end fence home position sensor Fence at home position B LCF end fence stop ...

Page 17: ...sensor No cassette A B C 9 D PFP lower cassette detection sensor No cassette E F G Upper cassette detection sensor No cassette H Upper cassette paper stock sensor Paper is almost finished A B C 0 D LCF cassette detection switch No cassette E F G Lower cassette detection sensor No cassette H Lower cassette paper stock sensor Paper is almost finished Digital Icon Items to check Copier state key with...

Page 18: ... rotation condition motor is being rotated by in the output check 03 Abormal rotation A B Key copy counter connection Not connected C Toner bag full detection sensor Toner is full 3 D Fuser unit connection Unit connected E Relay unit transport sensor 2 No paper F Relay unit opening closing switch Cover opened G H Relay unit paper full detection sensor Paper not full A B C 4 D E F G Relay unit inst...

Page 19: ...C RADF jam access cover opening closing switch Cover opened 7 D RADF opening closing sensor RADF opened E RADF exit sensor Original present F RADF reverse sensor Original present G RADF read sensor Original present H RADF registration sensor Original present A B C 8 D E RADF original length sensor Original present F RADF original width sensor 1 Original present G RADF original width sensor 2 Origi...

Page 20: ...Code 102 operation OFF 1 103 Polygonal motor 600dpi ON 153 Code 103 operation OFF 1 108 Registration clutch ON 158 Code 108 operation OFF 1 109 PFP motor ON 159 Code 109 operation OFF 1 110 ADU motor 215mm s ON 160 Code 110 operation OFF 1 118 Laser ON 168 Code 118 operation OFF 1 120 Exit motor ON forward rotation 170 Code 120 operation OFF 1 121 Exit motor ON reverse rotation 171 Code 121 operat...

Page 21: ...ay unit gate solenoid ON OFF 3 235 Discharge lamp ON OFF 3 236 Exhaust fan low speed ON OFF 3 237 Exhaust fan high speed ON OFF 3 238 IH control board cooling fan developer unit cooling fan ON OFF 3 241 Fuser unit cooling fan ON OFF 3 242 Upper cassette tray up motor ON tray raised 2 243 Lower cassette tray up motor ON tray raised 2 248 Developer bias DC ON OFF 3 249 Developer bias DC1 ON OFF 3 25...

Page 22: ...e is displayed on the control panel if an error occurs in the process but no recovery operation is performed Turn the power OFF and then back ON to clear the error Code Types of test pattern Remarks 111 Primary scanning direction 33 gradation steps error diffusion 113 Secondary scanning direction 33 gradation steps error diffusion 142 Grid pattern Pattern width 2 dots Pitch 10 mm 0 4 POWER Code ST...

Page 23: ...EL Stores value in RAM Press FC to enter 0 5 POWER Digital key Code START C S or CANCEL UP or DOWN Enter a value RESET Corrects value SET or INTERRUPT Stores value in RAM 0 9 Exit 0 5 POWER Digitalkey Code CANCEL START START Digital key FC key Enter a value 0 9 Exit FAX Test copy Stores value in RAM C S Corrects value 0 5 POWER Digital key Code START 0 9 Exit 0 5 POWER Digitalkey Selects output pa...

Page 24: ...ncreases the sen sor output increases correspond ingly The value starts changing approx 2 minutes after this ad justment was started and is auto matically set in the range of 2 35 to 2 45V chapter 2 2 Adjustment value of auto toner sensor can be displayed As the value increases by 1 out put from the transformer increases correspondingly Remove the de veloper unit and install the service jig to mak...

Page 25: ...t the trailing edge of the paper Secondary Upper cassette scanning laser Lower cassette write start position Bypass feed LCF PFP ADU Paper aligning PFP upper cas amount adjustment sette Long size at the copier regis PFP upper cas tration section sette Middle size PFP upper cas sette Short size ALL 50 0 100 ALL 50 0 100 PRT 133 0 255 PPC 129 0 255 PPC 128 0 255 PRT 128 0 255 ALL 138 0 255 FAX 139 0...

Page 26: ...ort size 219mm or shorter When the value increases by 1 the aligning amount increases by approx 0 5mm When the value increases by 1 the aligning amount increases by approx 0 8mm When the value increases by 1 binding folding position shifts to ward the right page by 0 25mm When the value increases by 1 the image shifts toward the front side by 0 0423mm When the value increases by 1 the image shifts...

Page 27: ... units Enter one of the following fixed values in the copying mode 1 Text Photo 2 Photo 5 Text The number of tens intensity 0 default value 1 to 9 when the value increases the image becomes sharper In case of Text Photo mode code 620 2 1 Fixed value for the Text Photo mode Enter a number 0 to 9 PPC 20 0 255 Text Photo 12forJPN PPC 25 0 255 Photo PPC 14 0 255 Text 8 for JPN PPC 128 0 255 Photo PPC ...

Page 28: ...4 Photo 41 44 PPC 44 Text Set whether the value of the background peak and text peak are fixed or not If they are fixed the range correction is performed with standard values The values of the background peak and text peak affect the reproduction of the background density and text density respec tively Background peak Text peak 1 fixed fixed 2 varied fixed 3 fixed varied 4 varied varied 1 1 1 Rang...

Page 29: ...R Digital key Code C S Corrects value SET or INTERRUPT 0 9 Exit START CANCEL Digital key or Select icon Sets or changes value Stores value in RAM 0 8 POWER Digital key Code START SET or INTERRUPT 0 9 Exit Adjustment value cannot be changed 0 8 POWER Digital key Code CANCEL START Digital key 1st setting C S Corrects value START Digital key 2nd setting SET or INTERRUPT 0 9 Exit Stores value in RAM C...

Page 30: ...opy counter not used 1 Coin controller 2 Copy key card 3 Key copy counter 0 For factory shipment 1 For line Field 0 must be selected Need to be checked when K SRAM was changed Timer to return the machine to the default settings when the START key is not pressed after the function and mode were set 0 Max 150 sec 1 to 10 Set number X 15 sec Timer to automatically switch to the en ergy saving mode wh...

Page 31: ...on Paper size for LCF ALL 420 297 182 432 140 297 ALL 297 210 182 432 140 297 ALL 210 148 182 432 140 297 ALL 364 257 182 432 140 297 ALL 257 182 182 432 140 297 ALL 279 216 182 432 140 297 ALL 432 279 182 432 140 297 ALL 356 216 182 432 140 297 ALL 216 140 182 432 140 297 ALL 356 257 182 432 140 297 ALL 330 210 182 432 140 297 ALL 330 216 182 432 140 297 ALL 216 216 182 432 140 297 ALL 432 279 14...

Page 32: ...lue displayed at right is overwritten on the counter value on the left 1 32 0 999 1 99 2 9 0 Not displayed 2 Displayed 0 Copy 1 FAX 0 Single count 1 Double count Counter for paper fed from the upper cas sette Counter for paper fed from the lower cas sette Counter for paper fed from the bypass tray Counter for paper fed from LCF Counter for paper fed from the PFP upper cassette Counts number of sca...

Page 33: ...otation time sec Counts the copier running time min Counts the fuser roller rotation time sec Counts the total consumed paper Long size double count 0 Not used 1 1sec 2 2sec 3 3sec 4 4sec 5 5sec 6 6sec 7 7 sec 8 8sec 9 9sec 10 10sec 11 12 sec 12 14sec 13 16sec 14 18sec 15 20sec 0 140 C 1 145 C 2 150 C 3 155 C 4 160 C 5 165 C 6 170 C 7 175 C 8 180 C 9 185 C 10 190 C 11 195 C 12 200 C 13 205 C 14 21...

Page 34: ...nsumed paper Long size double count 0 Automatic density 1 Manual density 0 Text Photo 1 Photo 2 Text 0 Display OFF 1 Display ON 0 Disabled 1 Single sided to duplex 2 Two sided to duplex 3 User selection 0 APS 1 AMS 2 None Paper source priority selection Paper source automatic alternation Feeding retrying Pre running rotation of polygonal motor Auto stop of pre running rotation of polygonal motor R...

Page 35: ... the RADF needs to be printed in the same direction with the original placed on the original glass 0 Not performed 1 Performed 0 Automatic 1 Portrait 2 Landscape 0 Enabled 1 Disabled 1 1 2 1 1 1 1 1 1 1 1 1 PPC 0 0 1 PPC 0 0 1 ALL 0 0 1 PPC JPN A5R 0 255 EUR FOLIO UC COMP PPC 0 0 1 ALL 4 0 10 PPC 0 0 1 PPC 1 0 1 PPC 0 0 1 PPC 0 0 2 PPC 7 0 7 ALL 0 0 1 RADF priority mode se lection BOOK duplex copy...

Page 36: ... coun ter and printer counter displayed 0 OFF 1 ON 0 2000 11 28 1 28 11 2000 2 11 28 2000 0 Disabled 1 STAPLE 2 SORT 3 GROUP 4 ALTERNATION 0 NON SORT 1 STAPLE 2 SORT 3 GROUP 4 ALTERNATION Set the reproduction ratio for X in 1 print ing including magazine sort to Repro duction ratio x adjustment reproduction ratio 0 90 1 91 2 92 3 93 4 94 5 95 6 96 7 97 8 98 9 99 10 100 0 Images placed at the upper...

Page 37: ...perform the initialization If the area storing the department management information is destroyed for some reason Enter Department code is displayed on the control panel even if the department management function is not set on In this case initialize the area with this code This area is normally ini tialized at the factory 2 Normal format 0 Not formatted 1 Not used 2 Normal format Timer for the HD...

Page 38: ...67 872 873 900 903 905 907 908 920 921 922 923 924 925 926 927 928 930 PPC 128 0 255 Photo PRT 128 0 255 PPC 128 0 255 Text Photo PPC 128 0 255 Text PPC 128 0 255 Photo PRT 128 0 255 PPC 128 0 255 ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL ALL Adjusts the developer transformer DC output adjustment value in 05 205 in PPC Photo mode Adjusts the main charger transformer out put adjustmen...

Page 39: ...rns to the code entry screen without copying overwriting the value when the CANCEL icon is pressed Enter 2 to copy the value of the backup coun ter SLG board B onto the value of the total counter LGC board A Enter 1 to copy the value of the total counter LGC board A onto the value of the backup counter SLG board B 3 Enter the value 1 or 2 with the digital key and press the START key The value ente...

Page 40: ...er while the digital keys 0 and 8 are pressed simultaneously 2 Confirm that Test Mode is displayed on the control panel Enter the code 690 and press the START key The display changes to System Mode 3 Enter 2 and then press the SET icon or INTERRUPT key 4 Wait is displayed 5 Turn OFF the power after the message Wait is gone ...

Page 41: ...y changes as follows Note A indicates the controlled value of the auto toner sensor output Press the Up or Down icon to change the value B indicates the output voltage of the auto toner sensor 2 30 V in the above case The drum developer unit etc are in operation C indicates the latest adjustment value 4 After about two minutes the value B automatically starts changing 5 After a short time the valu...

Page 42: ...ust the value manually Note The relation between the icons and the values A and B is as follows Icon to be pressed Value A Value B Up Increased Increased Down Decreased Decreased 8 Press the SET icon or INTERRUPT key The drum developer unit etc are stopped and the following is displayed 0 9 SET or INTERRUPT 100 TEST MODE READY A3 A 100 A4 1 ...

Page 43: ...ain motor rotation speed 421 d Image position of secondary scanning direction Laser writing start position 441 440 443 444 445 442 e Image position of primary scanning direction during duplex copying Laser writing start position 498 a Image distortion b Reproduction ratio of primary scanning direction Fine adjustment of polygonal motor rotation speed PPC 405 c Image position of primary scanning di...

Page 44: ...diately after entering the adjust ment mode 05 Keys used in operation Display Varies depending on the code xxx entered with the digital keys Adjustment value newly entered YYY is default display Current adjustment value 0 5 POWER Code No Digital keys Enter a code START If the copied image does not satisfy the specifica tions return to y and perform the adjustment again TEST MODE TEST MODE TEST MOD...

Page 45: ...requently at the registra tion section In this case it is advised to change reduce the aligning amount However if the aligning amount is reduced too much this may cause the shift of the leading edge position Select the appropriate value when the adjustment value is changed while confirming if the lead ing edge is not shifted As a tentative countermeasure the service life of the feed roller can be ...

Page 46: ...rection the adjustment of the laser writing start position 1 Turn ON the power while the digital keys 0 and 5 are pressed simultaneously n Adjustment mode 2 Press 1 n FAX A grid pattern is printed out Use A3 LD in the lower cassette 3 Measure the distance B from the leading edge of the paper to the 6th line of the grid pattern 4 Check if the distance B is in the range of 52 0 5 mm 5 If not change ...

Page 47: ...t value the shorter the distance D becomes 0 4 mm steps c Reproduction ratio adjustment of the secondary scanning direction fine adjustment of main motor rotation speed 1 Turn ON the power while the digital keys 0 and 5 are pressed simultaneously n Adjustment mode 2 Press 1 and then FAX A grid pattern is printed out Use A3 LD in the lower cassette 3 Measure the distance C from the 1st line at the ...

Page 48: ... and measure the distance E again Procedure Adjustment mode n Enter the code 498 with the digital keys nPress 0 n START n Enter a value acceptable values 0 to 255 with the digital keys nPress the SET icon or the INTERRUPT key to store the value in the RAM n 100 A is displayed nPress 3 n FAX n Grid patterns are printed out on both sides of the paper The larger the adjustment value the longer the di...

Page 49: ...401 lower cassette A3 LD n 200 0 5 mm 0 5 mm 4 steps B 05 411 lower cassette A3 LD n 52 0 5 mm 0 5 mm 10 steps n enter the same value for 05 410 C 05 421 lower cassette A3 LD n 200 0 5 mm 0 5 mm 4 steps D 05 441 lower cassette A3 LD 440 upper cassette A4 LT 443 LCF A4 LT 444 PFP A3 LD 445 ADU A3 LD 442 bypass feed A4 LT n 52 0 5 mm 0 4 mm steps E 05 498 0 498 1 n 52 0 5 mm 0 5 mm 10 steps ...

Page 50: ...per 3 Enter 308 and press the START key to move the carriage to the position for adjustment exit side 4 Make an adjustment in the order of step 1 and 2 Step 1 In the case of A Tighten the adjustment screw for mirror 2 CW In the case of B Loosen the adjustment screw for mirror 2 CCW Step 2 In the case of C Tighten the adjustment screw for mirror 1 CW In the case of D Loosen the adjustment screw for...

Page 51: ... distance A from 10 mm to 270 mm of the copied image of the ruler 5 Check if the distance A is within the range of 260 0 5 mm 6 If not change the value taking the following procedure and repeat the steps 3 to 5 until the distance falls within range Procedure Adjustment mode n Enter the code 405 with the digital keys n START n Enter a value acceptable values 0 to 255 with the digital keys n Press t...

Page 52: ...e 4 Measure the distance B from the left edge of the paper to 10 mm of the copied image of the ruler 5 Check if the distance B is within the range of 10 0 5 mm 6 If not change the value taking the following procedure and repeat the steps 3 to 5 until the distance falls within range Procedure Adjustment mode n Enter the code 306 with the digital keys n START n Enter a value acceptable values 0 to 2...

Page 53: ...A3 or from 220 mm to 420 mm in case of LD of the copied image of the ruler 5 Check if the distance C is within the range of 200 0 5 mm 6 If not change the value taking the following procedure and repeat steps 3 to 5 until the distance falls within range Procedure Adjustment mode n Enter the code 340 with the digital keys n START n Enter a value acceptable values 0 to 255 with the digital keys n Pr...

Page 54: ...ndition of A3 LD 400 and lower cassette 4 Measure the distance D from the leading edge of the paper to 10 mm of the copied image of the ruler 5 Check if the distance D is within the range of 34 0 5 mm 6 If not change the value taking the following procedure and repeat the steps 3 to 5 until the distance falls within range Procedure Adjustment mode n Enter the code 305 with the digital keys n START...

Page 55: ...n 100 A is displayed The larger the adjustment value the wider the blank area becomes 0 0423 mm step E Feeding direction g Right margin 1 Turn ON the power while the digital keys 0 and 5 are pressed simultaneously n Adjustment mode 2 Open the platen cover or ADF 3 Press the FAX key and make a copy in the condition of A3 LD 100 and lower cassette 4 Measure the blank area F at the right side of the ...

Page 56: ...ed image 5 Check if the blank area G is within the range of 2 0 5 mm 6 If not change the value taking the following procedure and repeat the steps 2 to 4 until the area falls within range Procedure Adjustment mode n Enter the code 433 with the digital keys n START n Enter value acceptable values 0 to 255 with the digital keys n Press the SET icon or the INTERRUPT key to store the value in the RAM ...

Page 57: ...he darker theimage of the darker steps become 514 512 515 Automatic density Thelargerthevalue thedarkertheimagebecomes Adjust the image density to satisfy the user s request by taking the following procedure while studying the image obtained from the test copy and the currently entered values Keys used in the operation Display Notes 1 Only one single sided copy can be made 2 Since the duplex copyi...

Page 58: ... HPF adjustment If user requests to make the image sharpness softer or harder adjust the sharpness setting HPF inten sity in the adjustment mode 05 The entry procedure of the adjustment value is the same as that for 2 4 1 Image density 2 4 3 Gamma slope adjustment If the user requests to change the gamma slope perform the gamma slope adjustment in the adjustment mode 05 The entry procedure of the ...

Page 59: ...ng on image data to be copied Value of the text peak fixed 3 Value of the background peak fixed Value of the text peak varies depending on image data to be copied 4 Value of the background peak varies depending on image data to be copied Value of the text peak varies depending on image data to be copied 2 4 4 Setting for the range correction The range correction on the values of the background pea...

Page 60: ...ig in the copier NOTE 1 Connect the green cable of the current measuring jig to ground on the copier frame Refer to a Installation of current measuring jig Connect the jig detection conector with the developer unit connector of the copier Digital Tester Connect with the white cable of the current measuring jig to ground a Installation of the current measuring jig Notes 1 Clean the toner recovery a...

Page 61: ...nnect the white cable of the jig terminal Front cover opening closing switch terminal Connect the white cable of the jig terminal Connect the red cable of the jig Front cover opening closing switch Connect the jig detection connector with the developer unit connector Grounded to the machine frame green cable Grounded to the machine frame green cable Connect the jig detection connector with the dev...

Page 62: ...ectors of the current measuring jig and the developer unit of the copier are not connected with each other high voltage adjustment codes except those for the developer bias are not ac cepted Do not connect anything with the connector of the developer unit of the copier during the measurement of the developer bias 6 After the high voltage transformer is replaced with a new one the output of the mai...

Page 63: ...e and adjustment value is as follows Output voltage Adjustment value 1 256 5 V 0 5 POWER Digital keys Enter the code START UP or DOWN Adjust the value YYY to satisfy the following table Adjusted value YYY is stored in the BC RAM Return to y to enter the other adjustment mode 0 9 To exit the adjustment mode Main Developer Transfer charger charger biascharger Center value Code 210 205 221 Adjustment...

Page 64: ...rly installed Is the developer magnetic brush in contact with the drum Is the developer sleeve rotating during copying Is the toner density low Is the copy paper fed straight Is the copy paper abnormally moist Is the rotation of the registration roller normal Is the output of the transfer guide bias normal Is the separation output different from the set value Is the developer bias value an appropr...

Page 65: ...registration roller normal Is the output of the main charger normal Is the transfer output different from the set value Is the transfer separation charger case grounded Is the transfer separation transformer grounded Is the sub separation fan rotating Is the separation finger in contact with the drum surface Note for adjustment When poor paper separation occurs Increase the separation output value...

Page 66: ...ws fixing the doctor blade 4 Lift up the toner scattering prevention sheet urethane sheet and insert the jig of the gauge 0 45 into the gap between the developer sleeve and doctor blade front and rear 5 Tighten the screws while the doctor blade is pressed against the doctor sleeve jig lightly 6 Insert the jig of the gauge 0 40 into the gap between the developer sleeve and doctor blade Confirm that...

Page 67: ...e screws one each for the front and the rear to fix the developer sleeve cover Note 1 Tighten the screw of the front side first 2 Attach the developer sleeve cover prop erly otherwise the cover may be deformed 3 Make sure that the toner scattering pre vention sheet is not caught between the doctor blade and the developer sleeve 9 Attach the top cover Securely hook it on the latches and fit the pro...

Page 68: ...ame Notes 1 Do not loosen or remove the fixing screw of the lever unnecessarily since it is ad justed with a special jig at the factory 2 When the screw needs to be loosened for disassembly mark the position of the po larity adjustment lever and reassemble it where it was However when the new developer sleeve is installed the height H in the figure below has priority over the position of the lever...

Page 69: ...nt of the carriage wires Adjustment is not necessary since a certain tension is applied to the carriage wires by the tension springs Note Make sure that the tension applied to the wire is normal Wire winding pulley Carriage 2 Carriage wire black Idler pulley Bracket for Carriage 1 Idler pulley Hook Spring Front side Carriage wire silver Idler pulley Bracket for Carriage 1 Idler pulley Hook Spring ...

Page 70: ...attached to the wire temporarily to the base of the carriage 1 Push the positions C and D of the carriage 1 against inside the frame of the exit side while the carriage 2 is also pushed against inside the frame of the exit side and then fix the carriage 1 to the wire The adjustment screw of the carriage 2 can not be reached when the carriage 1 has been fixed temporarily to the wire bracket Carriag...

Page 71: ...t side b Wind the wires around the wire pulleys of the front and rear sides The number of turns to be wound are as follows 2 turns to the opposite side of the boss 4 turns to the boss side After winding the wires around the pulleys at tach the wire holder jigs not to loosen the wires Wire pulley Rear side Front side Ball terminal 4 turns 2 turns Hook Pulley rear Pulley front Hook 2 turns 4 turns B...

Page 72: ...d be pushed against the previously wound turn so that there is no space be tween them 2 When the wire holder jig is attached make sure that the wire is not shifted or loosened 3 The wire should come out of the slot of the wire holder jig 4 Attach the wire holder jig with its one side with the wider space between the slots facing the exit side Ball termi nal ø3 Pulley Wire holder jig Front side Rea...

Page 73: ...field and some of the components cannot be replaced If any of the components is defective replace the whole unit When the unit is replaced with a new one do not loosen or remove the 8 screws indicated with the arrows Handle the unit with care Do not hold the lens and adjusted part hold the unit as shown below Front side Rear side Rear side Front side Do not hold the lens and adjusted part ...

Page 74: ...tual ruler a Place a ruler on the original glass and make a copy on a A4 LT sized paper at a 100 reproduction ratio b Compare the copied ruler with the actual ruler to see the difference in size c Make adjustment following the procedure below so as to make the distance between each mark on the rulers match Note After this adjustment is finished be sure to perform the deviation adjustment of the sc...

Page 75: ...of unit 0 1 0 5 mm 0 2 0 9 mm 0 3 1 4 mm 0 4 1 8 mm 0 5 2 3 mm 0 6 2 7 mm 0 7 3 2 mm 0 8 3 6 mm 0 9 4 1 mm 1 0 4 5 mm Direction of movement Reproduction ratio error is large Reproduction ratio error is small Exit side Lens unit Feeding side Note Finer adjustment can be made in the Fine adjustment of polygonal motor rotation speed 4 Attach the lens cover and original glass Make a copy to confirm th...

Page 76: ...he deviation A on the printed grid pattern in the direction as described below to adjust the deviation of the laser optical unit ex If the grid line is slanted by 1mm to the rear side slide the stay 1mm downward 240 A 240 A Feeding direction Feeding direction a The grid line is slanted to the rear side against the feeding direction n Slide the stay downward b The grid line is slanted to the front ...

Page 77: ... of the copied image shifts to the front side n Move the guide to the front side the di rection A in the figures below The center of the copied image shifts to the rear side n Move the guide to the rear side the direc tion B in the figures below Feeding direction Center Rear Feeding direction Center Rear Bypass feeding Cassette feeding A B A B ...

Page 78: ...procedure 1 Remove the rear side upper cover 2 Remove the feeding side upper cover and cut out the cover for the key copy counter 3 Pull out the harness connector from the hole on the frame and cut the shorted harness of the connector Treat the cut harness properly to avoid its being shorted on the machine frame Disconnect the dummy connector Dummy connector Screw hole to attach the socket Harness...

Page 79: ...of the copier 5 Install the counter socket to the copier frame with two M3 screws 6 Attach the feed side upper cover and the rear side upper cover 8 Enter the value 3 for the code 202 in the set ting mode 08 7 Insert the key copy counter with its arrow mark facing up Socket connector Connector of the copier M3 screws Arrow mark ...

Page 80: ...n the drive section gears pulleys timing belts etc Replace them with new ones if they are damaged 3 Check all the adhesives such as tape and Mylars if they are damaged or have become unstuck Replace them with new ones if necessary 4 Check the performance of all the switches and sensors Replace them with new ones if necessary 5 Clean inside the copier thoroughly 3 3 Cleaning the Units which Have Pr...

Page 81: ...lts and belt pulleys Replace Section Items to check Cleaning Lubri ment Operation Remarks cation x1 000 check P I sheets Scanner Laser unit Drive system Feeding section 1 Original glass 2 ADF original glass 3 Mirror 1 4 Mirror 2 5 Mirror 3 6 Reflector 7 Lens 8 Exposure lamp 9 Automatic original detection sensor 10 Slide sheet front and rear 11 Slit glass 12 Main motor drive unit gear 13 Pickup rol...

Page 82: ...aft 30 Photoconductive drum 31 Ozone filter 32 Charger case 33 Charger wire 34 Contact point of terminals 35 Charger wire cleaner 36 Grid 37 Charger case 38 Transfer charger wire 39 Separation charger wire 40 Pre transfer guide 41 Post transfer guide 42 Separation supporter 43 Terminal cover 44 Contact point of terminals 45 Whole unit 46 Drum cleaning blade 47 Toner bag 80 80 P17 I18 80 80 P17 I14...

Page 83: ...r 60 Separation finger for fuser roller 61 Separation finger for pressure roller 62 Pressure roller cleaning roller 63 One side of the cleaning roller to which the shaft is inserted 64 Thermistor 2pcs 65 Fuser unit entrance guide 66 Exit reverse guide 67 Exit roller 68 Drive gear 69 Transport roller upper middle and lower 70 One side of the GCB bushing to which the shaft is inserted 71 One side of...

Page 84: ...TEC 3 5 DP4500 3500 PREVENTIVE MAINTENANCE Front side 5 4 2 8 6 3 9 1 7 10 69 62 63 65 59 60 66 67 58 64 46 30 28 33 32 35 34 29 61 48 72 41 49 37 69 39 44 31 43 38 69 40 31 24 23 20 22 15 21 16 14 13 53 25 42 36 55 11 51 57 ...

Page 85: ...elow when the pickup roller and feed roller are replaced with new ones Notes 1 Do not put the white molycote to the idler gear tooth and the other parts 2 Do not put oil to the roller surface In case that it was wipe it off in the same manner of the cleaning with alcohol Apply white molycote 3 Separation roller Apply Alvania No 2 over the entire inner surface of the spring Put some silicon oil on ...

Page 86: ...ith a cloth soaked in water and then squeezed tightly Notes 1 Do not deform the metal plate of the pre transfer guide 2 Be careful of the following when attaching a new wire length 353mm Insert the wire securely into the V grooves of the front and rear sides Do not twist the wire Do not touch the wire with your bare hand 8 Drum cleaning blade Since the edge of the blade is breakable and can be eas...

Page 87: ... new oil seal in parallel with the frame of the developer unit or bushing of the mixer shaft paying attention to its direction 3 Apply grease Alvania No 2 quantity like one grain of rice evenly over the entire surface of the oil seal Assemble the mixer and de veloper sleeve Note Wipe off excessive grease 4 Apply grease Alvania No 2 quantity like one or two grains of rice on the entire surface of t...

Page 88: ...pies which have been made Do not damage the tip of the finger during the cleaning The finger may be damaged if the toner adhering to the tip of it is scraped off forcibly Replace the finger if the toner is sticking to it heavily 14 Pressure roller cleaning roller Refer to 4 4 Checking and Replacement of Pressure Roller Cleaning Roller 15 Thermistor Clean the thermistor with alcohol if the toner or...

Page 89: ...DRUM 3 4 Main charger wire WIRE CH 363 1 5 Main charger grid GRID 220 1 6 Transfer charger wire WIRE CH 060 353 1 7 Separation charger wire WIRE CH 060 353 1 8 Ozone filter FILTER OZ 320 1 9 Fuser roller HR 3500 U 1 10 Pressure roller HR 3500 L 1 11 Pressure roller cleaning roller SHAFT CLN P R 1 12 Separation finger for fuser roller SCRAPER H R 6 4 5 2 9 12 10 11 3 8 6 1 7 Location of PM parts ...

Page 90: ...3 6 Jig List Item Parts list Page Item Door switch jig 100 1 Doctor sleeve jig 100 2 Brush 100 3 Current measuring jig 100 4 Wire holder jig 100 5 Downloading jig DLM board 100 6 Downloading jig DLS board 100 7 Blade releasing jig 100 8 Developer material nozzle 100 9 ...

Page 91: ...DP4500 3500 PREVENTIVE MAINTENANCE 3 12 December 2000 TOSHIBA TEC ...

Page 92: ...e fuser roller away from place where it may be subjected to high humidity chemicals and or chemical gases E Cleaning Roller Keep the cleaning roller away from place where it may be exposed to high humidity chemicals and or chemical gases F Copy Paper Do not store copy paper in place where it may be subjected to high humidity After a package is opened be sure to store the paper in a storage bag 4 2...

Page 93: ...ctly with your fingertips or nails Remove your rings and wristwatch before cleaning so as not to damage the drum Do not use organic solvents such as alcohol or silicone oil as they have a bad influence on the drum Do not use selenium refresher either 5 Scratches on the photoconductive drum surface If the surface is scratched and the aluminum base is exposed black spots or streaks will appear on th...

Page 94: ...er As a thin fluoroplastic coating is applied on the roller defective cleaning can be caused by hitting or rubbing the roller surface with something hard b Pressure roller Do not put oil fingerprints etc on the pressure roller 2 Checking Check the fuser roller for staining and damage Clean it if necessary Clean the separation fingers and check if the tips are damaged Check the cleaning effect of t...

Page 95: ...DP4500 3500 SUPPLIES 4 4 December 2000 TOSHIBA TEC ...

Page 96: ... on the LGC board is disconnected 3 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the exit sensor 6 Replace the LGC board YES Is the registration clutch working Perform the output check in the test mode 03 108 158 NO 1 Check if the connector of the registration clutch is disconnected 2 C...

Page 97: ...oard is short or open circuited 5 Replace the sensor 6 Replace the LGC board YES Replace the LGC board Relation between the jamming area and the corresponding sensors covers If a jam is occuring in the ADU LCF or PFP check the board in each unit Jamming area Cover Sensor Test mode Input check Registration area Jam access cover Registration sensor 03 FAX ON 2 A Upper feed sensor 03 FAX OFF 6 E Exit...

Page 98: ...f the connector J313 on the LGC board is disconnected 3 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the registration sensor 6 Replace the LGC board YES Is the upper cassette feed clutch working Perform the output check in the test mode 03 201 NO 1 Check if the connector of the upper ca...

Page 99: ...ion sensor is disconnected 2 Check if the connector J313 on the LGC board is disconnected 3 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the registration sensor 6 Replace the LGC board YES Are the transport clutches working Perform the output check in the test mode 03 203 205 NO 1 Check...

Page 100: ...ensor is disconnected 2 Check if the connector J313 on the LGC board is disconnected 3 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the upper feed sensor 6 Replace the LGC board YES Are the transport clutches working Perform the output check in the test mode 03 203 205 NO 1 Check if the...

Page 101: ...nector J313 on the LGC board is disconnected 3 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the lower feed sensor 6 Replace the LGC board YES Are the transport clutches working Perform the output check in the test mode 03 203 205 NO 1 Check if the connectors of the transport clutches ar...

Page 102: ...ssesareopen circuited 5 CheckiftheconductorpatternsonthePFPboardandLGCboardareshort oropen circuited 6 Replace the PFP upper feed sensor 7 Replace the PFP board 8 Replace the LGC board YES Is the PFP transport clutch working Perform the output check in the test mode 03 225 NO 1 Check if the connector of the PFP transport clutch is disconnected 2 Check if any of the connectors CN241 CN242 and CN244...

Page 103: ...ctor pattern on the LGC board is short or open circuited 5 Replace the registration sensor 6 Replace the LGC board YES Check the rollers Replace them if they are worn out In case an paper is fed from the lower cassette PFP or LCF Open the jam access cover Is there any paper in front of the upper feed sensor YES Remove the paper NO Is the upper feed sensor working Perform the input check in the tes...

Page 104: ...ing Perform the input check in the test mode 03 FAX ON 2 A NO 1 Check if the connector of the registration sensor is disconnected 2 Check if the connector J313 on the LGC board is disconnected 3 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the registration sensor 6 Replace the LGC board...

Page 105: ... Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the registration sensor 6 Replace the LGC board YES Is the ADU clutch working Perform the output check in the test mode 03 222 NO 1 Check if the connector of the ADU clutch is disconnected 2 Check if the connector J316 on the LGC board is di...

Page 106: ...nnectedandtheharnessesareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the registration sensor 6 Replace the LGC board YES Is the bypass feed clutch working Perform the output check in the test mode 03 204 NO 1 Check if the connector of the bypass feed clutch is disconnected 2 Check if the connector J316 on the LGC board is disconnected 3 Che...

Page 107: ...sareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the upper feed sensor 6 Replace the LGC board YES Is the upper cassette feed clutch working Perform the output check in the test mode 03 201 NO 1 Check if the connector of the upper cassette feed clutch is disconnected 2 Check if the connector J310 on the LGC board is disconnected 3 Check if t...

Page 108: ...eopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the lower feed sensor 6 Replace the LGC board YES Is the lower cassette feed clutch working Perform the output check in the test mode 03 202 NO 1 Check if the connector of the lower cassette feed clutch is disconnected 2 Check if the connector J310 on the LGC board is disconnected 3 Check if the ...

Page 109: ...orpatternsonthePFPboardandLGCboardareshort oropen circuited 6 Replace the PFP upper feed sensor 7 Replace the PFP board 8 Replace the LGC board YES Is the PFP upper cassette feed clutch working Perform the output check in the test mode 03 226 NO 1 Check if the connector of the PFP upper cassette feed clutch is disconnected 2 Check if any of the connectors CN241 CN242 and CN244 on the PFP board is ...

Page 110: ...orpatternsonthePFPboardandLGCboardareshort oropen circuited 6 Replace the PFP lower feed sensor 7 Replace the PFP board 8 Replace the LGC board YES Is the PFP lower cassette feed clutch working Perform the output check in the test mode 03 228 NO 1 Check if the connector of the PFP lower cassette feed clutch is disconnected 2 Check if any of the connectors CN241 CN242 and CN244 on the PFP board is ...

Page 111: ...d 5 CheckiftheconductorpatternsontheLCFboardandLGCboardareshort oropen circuited 6 Replace the LCF feed sensor 7 Replace the LCF board 8 Replace the LGC board YES Is the LCF feed clutch working Perform the output check in the test mode 03 209 NO 1 Check if the connector of the LCF feed clutch is disconnected 2 Check if any of the connectors CN100 CN101 and CN103 on the LCF board is disconnected 3 ...

Page 112: ...24V being supplied from the power supply unit Perform the input check in the test mode 03 FAX ON 1 H NO 1 Check if the connector for 24V power supply is disconnected 2 Check if the connector J319 on the LGC board is disconnected 3 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the LGC boa...

Page 113: ...nessesareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the LGC board YES Is the front cover opening closing switch working Perform the input check in the test mode 03 FAX ON 2 D NO 1 Check if the connector of the front cover opening closing switch is disconnected 2 Check if the connector J305 on the LGC board is disconnected 3 Check if the co...

Page 114: ...nnector of the PFP side cover opening closing switch is disconnected 2 CheckifeitheroftheconnectorsCN241orCN243onthePFPboardisdisconnected 3 Check if the connector J312 on the LGC board is disconnected 4 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 5 Check if the conductor patterns on the PFP board and LGC board are short or open circuited 6 Replace the PFP side cover ope...

Page 115: ... on the ADU board and LGC board are short or open circuited 6 Replace the ADU opening closing switch 7 Replace the ADU board 8 Replace the LGC board YES 1 Replace the ADU board 2 Replace the LGC board E44 Side cover opened during printing Is the side cover open YES Remove the paper if there is any then shut the cover NO Is the side door switch working Perform the input check in the test mode 03 FA...

Page 116: ...nnector of the LCF side cover opening closing switch is disconnected 2 CheckifeitheroftheconnectorsCN100orCN106ontheLCFboardisdisconnected 3 Check if the connector J312 on the LGC board is disconnected 4 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 5 Check if the conductor patterns on the LCF board and LGC board are short or open circuited 6 Replace the LCF side cover ope...

Page 117: ...e input check in the test mode 03 FAX ON 3 F NO 1 Check if the connector of the relay unit opening closing switch is disconnected 2 Check if the connector J315 on the LGC board is disconnected 3 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the relay unit opening closing switch 6 Replace...

Page 118: ...he LGC board is disconnected 4 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 5 Check if the conductor patterns on the ADU board and LGC board are short or open circuited 6 Replace the ADU entrance sensor 7 Replace the ADU board 8 Replace the LGC board YES Is the exit motor rotating in reverse working Perform the output check in the test mode 03 121 171 NO 1 Check if the co...

Page 119: ...CN215 on the ADU board is disconnected 3 Check if the connector J316 on the LGC board is disconnected 4 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 5 Check if the conductor patterns on the ADU board and LGC board are short or open circuited 6 Replace the ADU exit sensor 7 Replace the ADU board 8 Replace the LGC board YES Check the rollers in the ADU and the exit roller o...

Page 120: ...ftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 5 Check if the conductor patterns on the ADU board and LGC board are short or open circuited 6 Replace the ADU exit sensor 7 Replace the ADU board 8 Replace the LGC board YES Is the ADU clutch working Perform the output check in the test mode 03 222 NO 1 Check if the connector of the ADU clutch is disconnected 2 Check if the connecto...

Page 121: ... Replace the sensor 6 Replace the LGC board YES Replace the LGC board Relation between the jamming area and the corresponding sensors covers If a jam is occurring in the ADU LCF or PFP check the board in each unit Jamming area Cover Sensor Test mode Input check Registration area Jam access cover Registration sensor 03 FAX ON 2 A Upper feed sensor 03 FAX OFF 6 E Exit area Jam access cover Exit sens...

Page 122: ...rollers insufficient YES Replace the rollers NO Is the original abnormally curled or folded YES Flatten and set it again E72 Original transport jam E73 Original discharging jam Are the registration roller read roller and exit roller dirty YES Clean the rollers E74 Original reversing jam Are the read roller and reverse roller dirty YES Clean the rollers NO Is the reverse flapper working properly NO...

Page 123: ...is disconnected 3 Check if the connector J315 on the LGC board is disconnected 4 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 5 Check if the conductor pattern on the LGC board is short or open circuited 6 Replace the relay unit transport sensors 7 Replace the LGC board YES Is the relay unit gate solenoid working Perform the output check in the test mode 03 232 NO 1 Check ...

Page 124: ...e connector J1 on the punch driver PC board disconnected Is the harness connecting the punch driver PC board and punch home position sensor PI3P open circuited YES Connect the connector securely Replace the harness NO Is the punch home position sensor working properly NO 1 Connect the connector of the punch home position sensor securely 2 Replace the punch home position sensor YES Replace the punc...

Page 125: ...curely 2 Attach the actuator securely if its shaft is out of place 3 Replace the inlet sensor YES Replace the finisher controller PC board MJ 1012 1013 Finisher section Is there any paper remaining on the transport path in the finisher or main unit YES Remove the paper NO Is the connector J17 on the finisher controller PC board disconnected Is the harness connecting the finisher controller PC boar...

Page 126: ... controller PC board disconnected Is the harness connecting the finisher controller PC board and inlet sensor S2D open circuited YES Connect the connector securely Replace the harness NO Is the inlet sensor working properly Check the movement of the actuator NO 1 Connect the connector of the inlet sensor securely 2 Attach the actuator securely if its shaft is out of place 3 Replace the inlet senso...

Page 127: ...ting the finisher controller PC board and stapling tray sensor PI4 open circuited Is the harness connecting the finisher controller PC board and delivery sensor PI3 open circuited YES Connect the connectors securely Replace the harnesses NO Is the inlet sensor working properly Check the movement of the actuator Is the buffer path inlet paper sensor working properly Check the movement of the actuat...

Page 128: ...r controller PC board disconnected Is the harness connecting the finisher controller PC board and inlet sensor S2D open circuited YES Connect the connector securely Replace the harness NO Is the inlet sensor working properly Check the movement of the actuator NO 1 Connect the connector of the inlet sensor securely 2 Attach the actuator securely if its shaft is out of place 3 Replace the inlet sens...

Page 129: ...ller PC board and buffer path paper sensor PI14 open circuited Is the harness connecting the finisher controller PC board and delivery sensor PI3 open circuited YES Connect the connectors securely Replace the harnesses NO Is the inlet sensor working properly Check the movement of the actuator Is the buffer path inlet paper sensor working properly Check the movement of the actuator Is the buffer pa...

Page 130: ...d YES Connect the connector securely Replace the harness NO Is the joint sensor working properly NO 1 Connect the connector of the joint sensor securely 2 Replace the joint sensor YES Replace the finisher controller PC board MJ 1012 1013 Finisher section Is there any paper remaining on the transport path in the finisher or main unit YES Remove the paper NO Is the finisher connected with the main u...

Page 131: ...ngsensor PI16 open circuited YES Connect the connector securely Replace the harness NO Is the door opening sensor working properly NO 1 Connect the connector of the door opening sensor securely 2 Replace the door opening sensor YES Is the connector J5 on the finisher controller PC board disconnected Is the harness connecting the finisher controller PC board and door switch MS1 open circuited YES C...

Page 132: ...witch MS1P open circuited Is the harness connecting the punch driver PC board and front door switch MS2P open circuited YES Connect the connector securely Replace the harness NO Are the upper and front door switches working properly NO 1 Connect the connectors of the upper and front door switches securely 2 Replace the upper front door switches YES Replace the finisher controller PC board ...

Page 133: ...staple sheet sliding it from the staple case YES End NO Is the connector J8 on the finisher controller PC board disconnected Is the harness connecting the finisher controller PC board and stapling home position sensor S17D open circuited YES Connect the connector securely Replace the harness NO Is the stapling home position sensor working properly NO 1 Connect the connector of the stapling home po...

Page 134: ...e staple sheet sliding it from the staple case YES End NO Is the connector J8 on the finisher controller PC board disconnected Is the harness connecting the finisher controller PC board and staple home position sensor PI22 open circuited YES Connect the connector securely Replace the harness NO Is the staple home position sensor working properly NO 1 Connect the connector of the staple home positi...

Page 135: ...ly 2 Attach the actuator securely if its shaft is out of place 3 Replace the inlet sensor YES Replace the finisher controller PC board MJ 1012 1013 Finisher section Is there any paper remaining on the transport path in the finisher or main unit YES Remove the paper NO Is the connector J17 on the finisher controller PC board disconnected Is the harness connecting the finisher controller PC board an...

Page 136: ...r PC board disconnected Is the harness connecting the finisher controller PC board and stack delivery lever home position sensor S8D open circuited YES Connect the connector securely Replace the harness NO Is the stack delivery lever home position sensor working properly NO 1 Connect the connector of the stack delivery lever home position sensor se curely 2 Replace the stack delivery lever home po...

Page 137: ...oving the staples stuck in the stapling unit YES End NO Is the connector J8 on the saddle stitcher controller PC board disconnected Is the harness connecting the saddle stitcher controller PC board and stitcher home position switch rear MS5S front MS7S open circuited YES Connect the connector securely Replace the harness NO Are the stitcher home position switches working properly NO 1 Connect the ...

Page 138: ... of the connectors J10 or J11 on saddle stitcher controller PC board disconnected Are the harnesses connecting the saddle stitcher controller PC board and cover opening sensors PI2S front door opening closing sensor PI3S delivery cover sensor PI19S inlet cover sensor open circuited YES Connect the connector securely Replace the harness NO Are the cover opening sensors working properly NO 1 Connect...

Page 139: ...circuited Is the harness connecting the saddle stitcher controller PC board and vertical path paper sensor PI17S open circuited Is the harness connecting the saddle stitcher controller PC board and delivery sensor PI11S open circuited YES Connect the connectors securely Replace the harnesses NO Is the No 1 paper sensor working properly Check the movement of the actuator Is the No 2 paper sensor wo...

Page 140: ... and No 2 paper sensor PI19S open circuited Is the harness connecting the saddle stitcher controller PC board and No 3 paper sensor PI20S open circuited Is the harness connecting the saddle stitcher controller PC board and delivery sensor PI11S open circuited YES Connect the connectors securely Replace the harnesses NO Is the inlet sensor working properly Check the movement of the actuator Is the ...

Page 141: ...he sensor securely 2 Attach the actuator securely if its shaft is out of place 3 Replace the sensor YES Replace the finisher controller PC board EAD Print end command time out jam Is the main motor rotating normally NO 1 Replace the SYS board 2 Replace the LGC board EAE Receiving time time out jam Is the finisher working YES Replace the finisher controller PC board NO 1 Check if the voltage 24V is...

Page 142: ...1 Connect the connector of the returning roller home position sensor securely 2 Replace the returning roller home position sensor YES Replace the finisher controller PC board EB3 Ready time time out jam Is there paper in the main unit NO Replace the LGC board YES Are the IPC board and LGC board properly connected to each other NO Connect them properly YES Is the harness securely connected to the I...

Page 143: ...e main motor board and LGC board are short or open circuited 5 Replace the main motor 6 Replace the LGC board YES Is the LED on the main motor board lit without flickering NO 1 Checkiftheconnectorpinsaredisconnected andtheharnessesareopen circuited 2 Check if the conductor patterns on the main motor board and LGC board are short or open circuited 3 Replace the main motor 4 Replace the LGC board YE...

Page 144: ...he connector J312 on the LGC board is disconnected 7 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 8 Check if the conductor patterns on the PFP motor board PFP board and LGC board are short or open circuited 9 Replace the PFP motor 10 Replace the PFP board 11 Replace the LGC board YES Is the LED on the PFP motor board lit without flashing NO 1 Checkiftheconnectorpinsaredis...

Page 145: ...insaredisconnectedandtheharnessesareopen circuited 4 Check if the conductor pattern on the LGC board is short or open circuited 5 Replace the LGC board YES Is the tray up sensor working Perform the input check in the test mode 03 FAX OFF 6 H 7 H NO 1 Check if the connector of the sensor is disconnected 2 Check if the connector J310 on the LGC board is disconnected 3 Check if the slit reaches the s...

Page 146: ...reopen circuited 5 Check if the conductor patterns on the PFP board and LGC board are short or open circuited 6 Replace the PFP board 7 Replace the LGC board YES Is the tray up sensor working Perform the input check in the test mode 03 FAX OFF 2 H 4 H NO 1 Check if the connector of the sensor is disconnected 2 Check if any of the connectors CN241 CN247 and CN248 on the PFP board is disconnected 3 ...

Page 147: ...ard are short or open circuited 6 Replace the LCF board 7 Replace the LGC board YES Are the LCF tray bottom sensor and LCF tray up sensor working Perform the input check in the test mode 03 FAX OFF 5 F 3 A NO 1 Check if the connectors of the sensors are disconnected 2 Check if any of the connectors CN100 CN104 and CN105 on the LCF board is disconnected 3 Check if the connector J312 on the LGC boar...

Page 148: ...oard and LGC board are short or open circuited 6 Replace the LCF board 7 Replace the LGC board YES Are the LCF end fence home stop position sensors working Perform the input check in the test mode 03 FAX OFF 5 A 5 B NO 1 Check if the connectors of the sensors are disconnected 2 Check if either of the connectors CN100 or CN107 on the LCF board is disconnected 3 Check if the connector J312 on the LG...

Page 149: ...on the LGC board is disconnected 6 Checkiftheconnectorpinsaredisconnectedandtheharnessesareopen circuited 7 Check if the conductor patterns on the LCF motor board LCF board and LGC board arer short or open circuited 8 Replace the LCF motor 9 Replace the LCF board 10 Replace the LGC board YES 1 Check if the connector pins are disconnected and the harnesses are open circuited 2 Check if the conducto...

Page 150: ...ern on the CCD board is short or open circuited 4 Check if the conductor pattern on the SLG board is short or open circuited 5 Replace the lens unit 6 Replace the SLG board NO 1 Check if the connectors of the exposure lamp and inverter are disconnected 2 Check the SLG board if the connector pin J9 is disconnected and the harness is short or open circuited 3 Check if the conductor pattern on the SL...

Page 151: ...ck if the conductor pattern on the SDV board is short or open circuited 3 Check if the conductor pattern on the SLG board is short or open circuited 4 Replace the SDV board 5 Replace the SLG board C28 Do the carriages make a big noise after they arrive at the home position YES The carriage home position sensor is not turned ON 1 Check if the connector of the sensor is disconnected 2 Check if the c...

Page 152: ...is disconnected 3 Check if the thermostat is blown 4 Check if the connectors on the IH control board are disconnected AC input connector and LGC I F connector J552 5 Check if the IH control board or the switching power supply unit are abnormal Replace the IH control board 3 Check the LGC board 1 Check if the connectors J315 and J317 are disconnected 2 Check if the conductor pattern on the LGC boar...

Page 153: ...urred during warming up 4 or 5 The error occurred after the machine has become ready 6 or 7 The temperature detected by the center thermistor is 230 C or higher 9 The temperature detected by the side thermistor is 270 C or higher 9 C45 Side thermistor is abnormal after the copier has become ready 1 Check the side thermistor 1 Check if the connector is disconnected 2 Check if the side thermistor is...

Page 154: ...as blown 3 Replace the IH control board 4 Check the LGC board 1 Check if the connector J317 is disconnected 2 Check if the conductor pattern on the board is short or open circuited 3 Replace the LGC board 5 Clear the status counter Change the values 10 11 13 14 or 17 of the status counter 08 400 to 0 The status counter value is as follows in the following cases Change them to 0 respectively The er...

Page 155: ...chine has become ready 14 The error occurred when the machine is in the ready state 18 C49 IH circuit or coil is abnormal 1 Check the IH control board 1 Check if the conductor pattern on the board is short or open circuited 2 Replace the IH control board 2 Check the IH coil 1 Check if the coil is broken or shorted 2 Replace the IH coil 3 Clear the status counter Change the values 13 15 16 or 19 of...

Page 156: ...rn on the LGC board mainly IC18 IC19 IC21 and J318 for short and open circuits 2 Check if the conductor pattern on the IPC board is short or open circuited 3 Replace the IPC board 4 Replace the LGC board C58 Communication error between IPC board and finisher 1 Check if the specified finisher is attached 2 Check if the conductor pattern on the IPC board is short or open circuited 3 Check if the con...

Page 157: ... SLG board is disconnected 3 Check if the harness connecting the SYS and SLG boards is open circuited and the connector pins are disconnected 4 Check if the harness connecting the SYS board and LGC board is open circuited and the connector pins are disconnected 5 Check the version of the FROM on the SYS board 6 Check the version of the MROM on the LGC board 7 Check the version of the SROM on the S...

Page 158: ...tment error 1 Check if there is any foreign object between the reverse sensor and reflecting mirror Check if the reflecting mirror is dirty 2 Check if the harness connecting the reverse sensor and ADF control board is open circuited 3 Check the circuits and connectors on the ADF control board mainly IC3 IC4 and CN4 for short and open circuits 4 Replace the reverse sensor 5 Replace the ADF control ...

Page 159: ...r 5 Replace the ADF control board 6 Initialize the EEPROM and perform automatic sensor adjustment of the ADF C83 Original length sensor adjustment error 1 Check if there is any foreign object between the original length sensor and reflecting mirror Check if the reflecting mirror is dirty 2 Check if the harness connecting the original length sensor and the ADF control board is open circuited 3 Chec...

Page 160: ...ce the laser optical unit 6 Replace the LGC board YES Are the pins 3 and 4 of the connector J203 on the POL board always level L NO 1 Check if the conductor pattern on the LGC board is short or open circuited 2 Replace the laser optical unit 3 Replace the LGC board YES 1 Check if the conductor pattern on the LGC board is short or open circuited 2 Replace the LGC board CA2 H Sync detection error Ar...

Page 161: ...eed motor or finisher controller PC board YES Is the shutter securely attached to the shutter upper lower bars NO Attach it securely YES Turn the feed roller 2 in reverse by hand Do the shutter upper lower bars move up and down NO Fix the mechanism including the shutter upper lower bars and gears of the feed roller 2 YES Is the shutter closed detecting switch MS4 working normally NO Replace the sw...

Page 162: ...e mechanism including the shutter upper lower bars and gears of the feed roller 2 YES Is the shutter open sensor PI5 working normally NO Replace the sensor YES Replace the finisher controller PC board Procedure 3 Check the safety zone switch MS3 Is the switch working normally NO Replace the switch YES Is the safety zone switch MS3 correctly pressed NO Fix the mechanism YES Is the shutter closed de...

Page 163: ...by replacing the delivery motor M1 NO Replace the finisher controller PC board YES Replace the motor MJ 1012 1013 Finsher section Rotate the delivery motor by hand Does it rotate smoothly NO Fix the mechanism YES Is the delivery motor clock sensor PI10 working normally NO Replace the sensor YES Does the voltage between J11 4 and 5 on the finisher controller PC board become 24V when the delivery mo...

Page 164: ...eplace the sensor YES Is the tray elevation mechanism normal NO Fix the mechanism YES Is 24V DC supplied to the tray lift motor M5 from the finisher controller PC board when the tray is being driven NO Replace the finisher controller PC board YES Is the wiring between the finisher controller PC board and the tray lift motor M5 correct YES Correct the wiring NO Replace the tray lift motor M5 ...

Page 165: ...etecting switch correct YES Correct the wiring NO Replace the finisher controller PC board Procedure 3 Does the tray move up down NO Is the power supplied to the motor from the finisher controller PC board when the tray is moving NO Replace the finisher controller PC board YES Is there any problem with the tray elevation mechanism YES Replace the tray lift motor M5 NO Fix the tray elevation mechan...

Page 166: ... PI6 working normally NO Replace the sensor YES Is the wiring between the finisher controller PC board and the alignment motor M3 correct YES Correct the wiring NO Is there any mechanical problem with the alignment guide movement path YES Fix the mechanism NO Is the problem solved by replacing the alignment motor NO Replace the finisher controller PC board YES END ...

Page 167: ... NO Correct the wiring YES Is the problem solved by replacing the stapler NO Replace the finisher controller PC board YES END MJ 1012 1013 Finisher section Is the wiring between the stapler and the finisher controller PC board correct YES Connect or replace the harness NO Is the problem solved by replacing the stapler NO Replace the finisher controller PC board YES END ...

Page 168: ...ix the mechanism NO Is the problem solved by replacing the stapler shift motor NO Replace the finisher controller PC board YES END CB7 Height sensor is abnormal MJ 1012 1013 Finisher section Procedure 1 Is the problem solved by turning the power of the copier OFF and ON YES END NO Is the wiring between the finisher controller PC board and the height sensor PS1 correct YES Correct the wiring NO Is ...

Page 169: ...ace the finisher controller PC board YES Is the wiring between the finisher controller PC board and height sensor correct YES Correct the wiring NO Replace the height sensor Procedure 3 Is the problem solved by readjusting the DIP switch YES END NO Is the wiring between the finisher controller PC board and height sensor PS1 correct YES Correct the wiring NO Is the voltage between J6 2 and J6 4 on ...

Page 170: ...ES END CB9 Saddle stitcher paper pushing plate motor is abnormal MJ 1013 Saddle stiticher section Procedure 1 Is the paper pushing plate home position sensor PI14S working normally NO Replace the sensor YES Is the paper pushing plate motor M8S operating at the fixed timing YES Replace the saddle stitcher controller PC board NO Is the paper pushing plate drive mechanism normal NO Fix the mechanism ...

Page 171: ...ism NO Is the problem solved by replacing the paper pushing plate motor M8S NO Replace the saddle stitcher controller PC board YES END Procedure 3 Is the paper pushing plate motor clock sensor PI1S working normally NO Replace the sensor YES Is the paper pushing plate motor M8S operating at the fixed timing YES Replace the saddle stitcher controller PC board NO Is there any problem with the pushing...

Page 172: ...ting at the fixed timing NO Replace the front or rear stitcher YES Check the wiring between the stitcher and saddle stitcher controller PC board If there is no problem replace the controller PC board CBC Saddle stitcher alignment motor is abnormal MJ 1013 Saddle stitcher section Is the alignment plate home position sensor PI5S working normally NO Replace the sensor YES Is the alignment motor M5S o...

Page 173: ... the problem solved by replacing the guide motor M3S NO Replace the saddle stitcher controller PC board YES END CBE Saddle stitcher paper folding motor is abnormal MJ 1013 Saddle stitcher section Is the paper folding motor clock sensor PI4S working normally NO Replace the sensor YES Is the paper folding motor M2S operating at the fixed timing YES Replace the saddle stitcher controller PC board NO ...

Page 174: ... paper positioning plate motor M4S NO Replace the saddle stitcher controller PC board YES END CCO Saddle stitcher sensor connector connection error MJ 1013 Saddle stitcher section Procedure 1 Is the guide home position sensor PI13S connected to the saddle stitcher controller PC board NO Connect it to the board YES Is the wiring between the sensor and the saddle stitcher correct YES Correct the wir...

Page 175: ...he saddle stitcher controller PC board properly connected to the ground NO Replace the saddle stitcher controller PC board YES END Procedure 3 Is the paper pushing plate top position sensor PI15S connected to the saddle stitcher controller PC board NO Connect it to the board YES Is the wiring between the sensor and the saddle stitcher correct YES Correct the wiring NO Is 1 or 2V DC being supplied ...

Page 176: ...e the switch YES Measure the voltage of J10 8 on the saddle stitcher controller PC board when the inlet door is open Is it 5V NO The inlet cover sensor PI9S is broken Replace it YES Measure the voltage between J19 2 and J19 1 on the saddle stitcher controller PC board Is it 24V NO Replace the saddle stitcher controller PC board YES Check the wiring between J19 and J1 on the saddle stitcher control...

Page 177: ...is opened Is it 5V NO The front door opening closing sensor is broken Replace it YES Replace the saddle stitcher controller PC board Procedure 3 Is the switch actuator for the delivery door working properly NO Fix the mechanism YES Is the delivery cover switch working normally NO Replace the switch YES Measure the voltage of J11 9 on the saddle stitcher controller PC board when the delivery door i...

Page 178: ... and ON the power switch of the copier YES END NO Is the wiring between the finisher controller PC board and the saddle stitcher controller PC board connected YES Connect the wiring NO Measure the voltage between J3 2 and J3 1 on the finisher controller PC board Is it DC 24V NO Replace the finisher controller PC board YES Replace the saddle stitcher controller PC board ...

Page 179: ...n NO Apply grease on the cut out part of the front side frame with where the bushing contacts YES Is the spring of the returing roller detached YES Attach the spring YES Is the wiring between the finisher controller PC board and stack processing motor correct YES Correct the wiring YES Is the stack delivery lever home position sensor S8 working properly NO Replace the sensor YES Is the problem sol...

Page 180: ...e the bushing contacts YES Is the spring of the returning roller detached YES Attach the spring YES Is the tension of the stack processing motor drive belt normal NO Loosen the adjustment screw to adjust the tension YES Is the returning roller home position sensor S3 working properly NO Replace the sensor YES Is the problem solved by replacing the stack processing motor NO Replace the finisher con...

Page 181: ...ing guide open sensor PI18 working normally NO Replace the sensor YES Is the swing motor M7 rotating in reverse at the fixed timing NO Replace the motor YES END Procedure 2 Is the safety zone switch MS3 working normally NO Replace the switch YES Is the safety zone switch MS3 correctly pressed NO Fix the mechanism YES Is the swing guide closed detection switch 2 MS6 working normally NO Replace the ...

Page 182: ...y NO Replace the sensor YES Does the voltage between J11 6 and 7 on the finisher controller PC board become 24V when the swing motor starts rotating NO Replace the finisher controller PC board YES Is the wiring between the swing motor and finisher controller PC board correct YES Correct the wiring NO Replace the swing motor ...

Page 183: ...between the horizontal registration home position sensor PI1P and finisher controller PC board correct YES Correct the wiring NO Is the horizontal registration mechanism normal NO Fix the mechanism YES Is the problem solved by replacing the horizontal registration motor M2P YES END NO Is the problem solved by replacing the punch motor YES END NO Is the problem solved by replacing the punch driver ...

Page 184: ... Replace the sensor YES Is the wiring between the punch home position sensor PI3P and finisher controller PC board correct YES Correct the wiring NO Is the punching mechanism normal NO Fix the mechanism YES Is the problem solved by replacing the punch motor M1P YES END NO Is the problem solved by replacing the punch driver board YES END NO Replace the finisher controller PC board ...

Page 185: ...tion sensor S6 working properly NO Replace the sensor YES Is the wiring between the finisher controller PC board and front jogging motor correct NO Correct the wiring YES Has the rack run over the stopper of the roll YES Fix it NO Is the problem solved by replacing the front jogging motor NO Replace the finisher controller PC board YES END ...

Page 186: ... stack tray paper height sensor S10 working properly NO Replace the sensor YES Are the upper stack tray upper limit sensor S25 lower stack tray full sensor S23 and stack processing safety switch working properly NO Replace the sensor or sensor controller PC board YES Does the voltage between the pins J14 1 and 2 on the finisher controller PC board become 24V when the upper stack tray lift motor st...

Page 187: ...r YES Is the stack tray paper height sensor S10 working properly NO Replace the sensor YES Are the lower stack tray upper limit sensor S13 and lower stack tray lower limit sensor S12 working properly NO Replace the sensor or sensor controller PC board YES Does the voltage between the pins J3 1 and 2 on the finisher controller PC board become 24V when the lower stack tray lift motor starts rotating...

Page 188: ...tion sensor S7 working properly NO Replace the sensor YES Is the wiring between the finisher controller PC board and rear jogging motor correct NO Correct the wiring YES Has the rack run over the stopper of the roll YES Fix it NO Is the problem solved by replacing the rear jogging motor NO Replace the finisher controller PC board YES END ...

Page 189: ... the main CPU and MROM is short or open circuited 2 Replace the LGC board if this error occurs frequently F10 HDD Initialization error 1 Initialize the HDD mode 08 n code 690 n 2 2 Check if the HDD is mounted 3 Check if the specified HDD is mounted 4 Check if the connector pins of the HDD are bent 5 Check if the power supply connector is disconnected 6 Check if the connector J111 on the SYS board ...

Page 190: ...the image Scanner 3 Are the original glass or mirrors Clean them dirty Printed image 4 Is the image faded Perform troubleshooting for faded image Is background fogging occuring Perform troubleshooting for background fogging Is there a blotch on the image Perform troubleshooting for blotched image Is the image transferred normally Perform troubleshooting for abnormal transfer Feeding direction Imag...

Page 191: ...canner 3 Are the original glass especially Clean them shading position mirrors and lens dirty Auto toner 4 Is the auto toner sensor normal Check the performance of the auto toner sensor and readjust 5 Is the toner supplied normally Check the motor and circuits Main charger output 6 Is the main charger output normal Check the circuits Developer bias 7 Is the developer bias proper Check the circuits...

Page 192: ...he appropriate trouble shooting if there is any problem with the image Defective area Step Check Items Prescription Remarks Density reproduction 1 Check the reproduction of the Adjust the density image density Parameter adjustment 2 Check the image processing Check the adjustment value for value parameters sharpness Printer section 3 Check the printed image Make a test print using 04 113 Perform t...

Page 193: ...er roller roller 4 Is there a scratch on the fuser roller Replace the fuser roller surface 5 Has the fuser roller reached its PM Replace the fuser roller life 6 Is the temperature of the fuser roller Check the adjustment values of fuser normal roller temperature 08 410 12 200 C 08 411 12 200 C Paper 7 Has the appropriate paper mode been Select a proper mode selected 8 Using the recommended paper U...

Page 194: ...TING Defective area Step Check Items Prescription 5 Blurred image Scanner condensation Drum 1 Is the scanner condensed 2 Is the drum surface wet or dirty Clean it Wipe the drum with a dry cloth Do not use alcohol or other organic solvents Feeding direction ...

Page 195: ...ctor contacts properly 2 Is the IH coil shorted or broken Is the IH control board normal 3 Are the pressure springs working prop erly 4 Is the temperature of the fuser roller too low 5 Is the paper moist Correct it Replace the IH coil or IH control board Check adjust the pressure springs Check the adjustment values of fuser roller temperature 08 410 12 200 C 08 411 12 200 C Change the paper 6 Poor...

Page 196: ...developer material smoothly trans ported 6 Has the magnetic brush phase been shifted 7 Is the doctor blade positioned properly 8 Is the drum rotating 9 Are the connectors securely connected Check if the harnesses connecting the boards are open circuited Adjust the output or replace the transformer Replace the transfer charger wire Check and correct the engaging condition of the developer unit gear...

Page 197: ... 4 Is the main charger securely installed 5 Check the main charger wire for breaks 6 Is the output from the high voltage trans former normal 7 Are the connectors securely connected Check if the harnesses connecting the boards are open circuited Check if the connector contacts with the lamp ter minal Replace the defective inverter Remove it Clean the mirrors lens and drum Keep the power cord plugge...

Page 198: ... drum 6 Is there a foreign object on the drum sur face 7 Does the toner image contact with any foreign object before the paper enters the fusing section after the separation 8 Are any of the discharge lamps off 9 Is there a foreign object or stain on the light path 10 Is there any foreign object which contacts the drum on the cleaner stay Clean the slit glass Remove the foreign object Remove the f...

Page 199: ...e rotating normally Is there any abnormality on the sleeve surface 6 Are the drum and scanner jittering 7 Is the output from the high voltage trans former normal 8 Is any foreign object such as dust stick ing to the transfer charger wire Remove the foreign object Clean or adjust the terminal Replace the drum Replace the discharge lamp or clean the terminals Check the drive system of the developer ...

Page 200: ...of the feed roller dirty 6 Are the roller and shaft secured 7 Is the spring detached from the registra tion roller 8 Is the pre registration guide properly installed Install the cassette or LCF PFP properly The hieght of the paper stack should not exceed 60 5mm 137 5mm or lower room for LCF Change the direction of the paper and set it again Adjust the position of the side guides Clean the roller s...

Page 201: ...beenrecoveredproperly 11 1 Is the fuser roller surface dirty or dam aged 2 Is the thermistor cleaned at the pre ventive maintenance 12 Are there scratches on the drum surface 13 Is there a foreign object or stain on the slit glass 14 Is there dust or stains on part of the original glass where the shading correction plate is placed on top Clean the lens and mirrors Remove the foreign object Clean o...

Page 202: ...sure roller reached its PM life 4 Is the output from the high voltage trans former normal 5 Is there a deep scratch on the drum sur face 6 Are there thin scratches drum pitting on the drum surface 7 Is there a foreign object on the carriage rail Clean or replace the charger wire Clean them Replace it Check the circuit and replace the high voltage transformer if it is defective Replace the drum if ...

Page 203: ...3 Is there any foreign object on the charger 4 Is the charger wire dirty or deformed 5 Is the output from the high voltage trans former normal 6 Is there any object such as fiber in the paper transport area of the transfer sepa ration charger 7 Has the developer material reached its PM life Check and correct the auto toner sensor and toner supply operation Check if the amount of the toner is suffi...

Page 204: ...LCF PFP moist 5 Is there any abnormality related to the reg istration roller or with the roller itself 6 Is the output from the high voltage trans former normal Clean it Clean it Reinsert the paper with the reverse side up or change the paper Change the paper Be sure to store the paper correctly Clean the roller if it is dirty Securely attach the springs if they are detached Replace the clutch if ...

Page 205: ...mp dirty 6 Are any of the discharge lamps off 7 Is the magnetic brush in proper contact with the drum 8 Is the developer sleeve pressure mechanism working 9 Is the developer material transported nor mally 10 1 Is the platen cover open 2 Are the original glass especially shading position mirrors and lens dirty Clean or replace the charger wire Clean it Clean it Remove the foreign object Clean it Re...

Page 206: ...e 7 Is the magnetic brush in proper contact with the drum 8 Is the developer sleeve pressure mecha nism working 9 Is the main charger dirty 10 Is film forming occurring on the drum sur face 11 Is the setting for the high voltage trans former proper Replace the toner cartridge Check the performance of the auto toner circuit Check the motor drive circuit Replace the toner cartridge Replace the devel...

Page 207: ...r the spring detached 3 Is the registration roller moving normally 4 Is the feed clutch working properly 5 Is the pre registration guide installed prop erly Adjust the position of the leading edge of paper in the adjustment mode Clean the roller with alcohol Securely attach the springs Adjust or replace the gears if they are not engaged properly Check the circuit or clutch and replace them if nece...

Page 208: ...carriage foot 6 Is the tension of the timing belt normal 7 Is there any problem with the drive system of the carriage 8 Is the mirror secured 9 Is there any problem with the drive sys tem of the drum If normal perform steps 1 to 3 Perform step 4 and followings in case the image is abnormal Check the registration roller area and springs for installation condition Check the fuser roller area Replace...

Page 209: ...f the fuser roller normal 6 Is the temperature of the fuser roller normal 7 Is the blade in proper contact with the drum 8 Has the cleaning blade been turned up 9 Is the toner recovered normally Use the specified developer material and toner Replace the roller Replace the fuser roller Check and adjust the tem perature control circuit Replace it Check and adjust the pressurization mechanism Check t...

Page 210: ...re lamp 1 Is the original glass dirty 2 Is the main charger wire dirty 3 Is the discharge lamp dirty 4 Are the reflector exposure lamp mirrors lens etc dirty 5 Is the exposure lamp tilted 6 Is the lamp discolored or degraded Clean it Clean or replace the wire Clean it Clean them Adjust the position of the lamp Replace it 21 Uneven light distribution Feeding direction ...

Page 211: ...he paper too thin 2 Is the paper too dry 3 Is the output from the separation charger normal 4 Is the transfer charger case dirty 5 Is the transfer charger wire dirty 6 Is the output from the high voltage trans former normal Change the paper Change the paper Adjust the output Clean the case Clean the wire Adjust the output Replace the transformer if nec essary 22 Blotched image Feeding direction ...

Page 212: ...mi time lag 24VF Main unit Toner motor F6 4A semi time lag LGC board Sub separation fan Middle cooling fan Laser unit fan Exhaust fan Tray up motor Feed clutch upper and lower Transport clutch low speed Transport clutch high speed Registration clutch ADU motor ADU clutch Bypass feed clutch Discharge lamp Fuser unit cooling fan Polygonal motor Auto toner sensor Main switch PFP 24VG Main unit Exit m...

Page 213: ...DP4500 3500 TROUBLESHOOTING 5 118 December 2000 TOSHIBA TEC ...

Page 214: ...alled should be compatible with the other firmware in stalled in the machine The offical name of Windows 95 is Microsoft Windows 95 Operating System The offical name of Windows 98 is Microsoft Windows 98 Operating System Microsoft Windows and the brand names and product names of other Microsoft products are trademarks or registered trademarks of US Microsoft Corporation in the US and other countri...

Page 215: ...ibed in this section 6 1 2 Requirements The following environment is necessary to update the firmware Software Requirements for PC MicrosoftWindows95 98 Virtual modem FTP Server tools ex War FTP Daemon Use a serial cable for the DTE DTE connection to connect the PC and SYS board Update cannot be performed with the cable for the DCE DCE connection DTE DTE connection 1 CD 1 CD 2 RXD 2 RXD 3TXD 3 TXD...

Page 216: ... Virtual modem Since a modem is supposed to be used for the Windows 95 98 dial up networking download a virtual modem to enable the connection performed directly with a serial cable 2 Installation of virtual modem Download the following file from the web URL http www kevin wells com net mdmcbx4 inf After the above file was downloaded install the modem as follows Click the Modems button on the cont...

Page 217: ...THE FIRMWARE 6 4 December 2000 TOSHIBA TEC The Modem Wizard is opened Check Don t detect my modem I will select it from a list and click Next Click Have Disk then select a folder in which the downloaded file has been stored ...

Page 218: ...December 2000 TOSHIBA TEC 6 5 DP4500 3500 UPDATING THE FIRMWARE Select Direct Connection then click Next Select Communications Port COM1 then click Next ...

Page 219: ...DP4500 3500 UPDATING THE FIRMWARE 6 6 December 2000 TOSHIBA TEC Click the Finish button to complete the virtual modem installation ...

Page 220: ... Windows prompts you for a network password at the startup and if the Network Neighborhood icon appears on the Windows desktop the network function is already set up In this case you can skip this section In the Network dialog box click the Configuration tab Confirm that Dial Up Adapter and TCP IP are displayed If your PC does not have Dial Up Adapter click Add ...

Page 221: ...MWARE 6 8 December 2000 TOSHIBA TEC Select Microsoft from the Manufacturers list and Dial Up Adapter from the Network Adapters list then click OK TCP IP Protocol components are automatically installed together with Dial Up Adapter ...

Page 222: ...4500 3500 UPDATING THE FIRMWARE 6 1 5 Setting dial up networking Double click My Computer If the Dial Up Networking icon is not in the window open Add Remove Programs in the Control Panel to install it Double click Make New Connection ...

Page 223: ...name in the box Type a name for the computer you are dialing and then select Direct Con nection for Select a device Then click Configure Click the General tab in the Direct Connection Properties dialog box Select 115200 for Maximum speed and check Only connect at this speed ...

Page 224: ...ick the Connection tab confirm that no item in Connection preferences is selected and then click Advanced Confirm that no item in the Advanced Connection Settings dialog box is selected Click the OK button to return to the Make New Connection dialog box and click Next ...

Page 225: ...3500 UPDATING THE FIRMWARE 6 12 December 2000 TOSHIBA TEC Enter 39 in the Telephone number box Select an appropriate country code then click Next Click Finish to complete the setting for the dial up networking ...

Page 226: ...emon Version 1 65 to use it as an FTP server War FTP Daemon can be downloaded from the following website URL http www jgaa com downloadpage htm Some files are extracted by doubleclicking the ward165 exe icon Double click Setup exe to start installation Create a new folder C WEBSHARE FTPROOT Double click war ftpd exe in the war ftpd folder ...

Page 227: ... December 2000 TOSHIBA TEC Click Add and type in dppc in the New name box Type in dppc in the New Password and Verify Password boxes then click OK Select dppc and click the File Access tab Then click Add Select Properties Security Edit User ...

Page 228: ...RMWARE Double click Webshare Check the Read Write Delete Execute List Create and Remove boxes Confirm that the check marks are not gray but black Check Root Home and Recursive in the Special box as well Click Apply and then OK Double click Ftproot and click OK ...

Page 229: ...DP4500 3500 UPDATING THE FIRMWARE 6 16 December 2000 TOSHIBA TEC Enter the ONLINE mode by clicking the button before starting the firmware update ...

Page 230: ...simultaneously The copier enters the FirmwareVersion up Mode The system software and UI data can be updated in this mode 6 2 2 Preparation The following need to be prepared or performed in advance to update the firmware 1 Software installation Virtual modem and War FTP Daemon have to be installed in the PC Refer to 6 1 Installing Software for Firmware Update War FTP Daemon has to be in the ONLINE ...

Page 231: ...guage UI data uidata4 tz 5th language UI data uidata5 tz 2 New file New files with the preset directory and names are provided in the following folder C WEBSHARE FTPROOT 3 Connection between the copier and PC The copier and PC are connected with a cross cable Note Do not connect serial cable with machine power turned ON Connect the MMF FSMS port of the copier and serial communication port of the P...

Page 232: ...ult Location 6 2 3 Updating firmware 1 Turn ON the power of the copier while the digital keys 3 and 9 are pressed simultaneously 2 The following is displayed on the control panel of the copier 3 Make a serial connection using the dial up networking function of the PC Refer to 6 1 Installing Software for Firmware Update for the dial up network connection ...

Page 233: ...ge UI data 6 3rd language UI data 7 4th language UI data 8 5th language UI data The version number is displayed as XXX YYY XXX indicates the major version and YYY is the minor version Firmware Version Up Mode Target 1 Established serial connection with PC Press START key to install new firmwares Please select a target with DIGI TAL keys Target area number Firmware Version Up Mode Target 1 Establis...

Page 234: ...ey The selected number is displayed at upper right of the screen next to Target Press INTERRUPT to enter The relation between the selected number and area to be updated is as follows 1 Program data 2 Fixed UI data 3 Common UI data 4 1st language UI data 5 2nd language UI data 6 3rd language UI data 7 4th language UI data 8 5th language UI data 1 All data 1 2 3 4 5 6 7 and 8 2 All UI data 2 3 4 5 6...

Page 235: ...e transmission to the copier will destroy the file in the FROM of the copier The data must be reinstalled In case of target 1 8 In case of target 1 3 Firmware Version Up Mode Target 1 Installing a new firmware reading a file Target Version code l installing Displays the area being processed Firmware Version Up Mode Target 1 Installing new firmware reading a file Displays the status of updating pro...

Page 236: ...OFF the power or press the CLEAR STOP key to exit the update screen Destination code of the firmware installed In case of target 1 3 The following is displayed when the updating is finished Firmware Version Up Mode Target 1 Firmware version up completed target version code 1 001 002 U 2 002 001 0 3 002 031 0 4 003 022 2 5 003 022 3 6 003 033 6 7 003 022 7 8 003 033 11 Version of the firmware updat...

Page 237: ...ry mode is automatically activated when the power is turned ON next time See 10 Recovery mode Further operations and displays are the same as those of the normal sequence Firmware Version Up Mode Recovery mode target 3 8 failed make a connection from PC Firmware Version Up Mode Target 3 Recovery mode target 3 8 failed Press START key to install new firmwares 10 Recovery mode The following is displ...

Page 238: ...rresponding to the keys to be pressed Firmware Version Up Mode Target 1 Program canceled 1 1 2 Press the START key Press the CLEAR STOP key 2 Press the CLEAR STOP key Power OFF Firmware Version Up Mode Make a connection from PC Firmware Version Up Mode Target 1 Established serial connection with PC Press START key to install new firmware Please select a target with the digital keys 6 2 4 Display T...

Page 239: ...splay changes corresponding to the keys pressed 1 Status of updating process reading a file checking a read file checking the device setting NvRAM flags erasing the device writing to the device verifying the device cleaning NvRAM flags Press the CLEAR STOP key Firmware Version Up Mode Target 1 Firmware version up completed Version 001 003 code U Press START key to continue Press the CLEAR STOP key...

Page 240: ...AM flags erasing the device writing to the device verifying the device cleaning NvRAM flags Press the CLEAR STOP key Current area being updated Firmware Version Up Mode Target 1 Firmware version up completed target version code 1 001 002 U 2 002 001 0 3 002 031 0 4 003 022 2 5 003 022 3 6 003 033 7 7 003 022 9 8 003 033 11 Version of the firmware installed Firmware Version Up Mode Target 1 Program...

Page 241: ...s file read error file information error unfit device device erase error device write error verify error cannot set NvRAM flags Power OFF Power OFF Firmware Version Up Mode Target 1 Failed to install a new firmware file read error Target Version code 1 001 002 U 2 error Error messages file read error file information error unfit device device erase error device write error verify error cannot set ...

Page 242: ...ading jig using the dedicated connector and turning the power of the copier ON The downloading jig consists of the programmed ROM and jig board Two types of the jig board are available as follows Firmware PC board Jig board to be used System firmware System PC board SYS board PWA F DLS 320 Engine firmware Logic PC board LGC board PWA F DLM 320 printer ROM and scanner ROM Scanner control PC board S...

Page 243: ...cannot be downloaded using PC Applications UI data fixed area UI data common area Default language b ROM for UI data downloading The language data in the HDD are updated The data to be updated by this ROM are as follows UI data The 1st to 5th languages When downloading is performed using the ROM for UI data downloading only UI data in the HDD are updated To make these updated data effective it is ...

Page 244: ...e the jig board PWA F DLS 320 2 ROMs are required to download the applications Only one ROM is used for UI data downloading and the ROM should be attached to the socket for ROM2 Note Pay attention to the direction and position of the ROM when it is attached Jig board PWA F DLS 320 Connector Socket for ROM1 Socket for ROM2 ...

Page 245: ... ROM s on the jig board and connect the board with the connector of the copier 1 Open the front cover 2 Remove 2 screws Lift up the exit side of the paper receiving tray and hang it on the hook 3 Connect the downloading jig with the jig connector on the SYS board Note Turn OFF the power before connecting or disconnecting the jig Hook Jig connector for system firmware Download Board Firmware Update...

Page 246: ...a downloading is performed the UI data in the HDD are updated but the display UI at power ON in the FROM is not changed To make the updated data effective for the display UI at power ON it is necessary to copy the result of the update into the FROM by selecting a language in the setting mode 08 220 Update Failed is displayed on the control panel when the downloading was not completed success fully...

Page 247: ...d version numbers Confirmation for application downloading 08 900 System firmware version 08 920 System software version 08 921 Internal program application version 08 922 UI data fixed area version 08 923 UI data common area version 08 930 Version of display UI at power ON in FROM Confirmation for UI data downloading 08 924 Version of UI data 1st language in HDD 08 925 Version of UI data 2nd lang...

Page 248: ...C o m p l e t e d Update FROM C o m p l e t e d Data Check C o m p l e t e d Update Completed Download Board Firmware Update Mode Download Board FROM Update Start Check Devices C o m p l e t e d Update FROM F a i l e d Data Check Update Failed Power ON Downloading started Downloaded successfully Downloading failed Power OFF Power OFF Message to notify that the process has been finished Process suc...

Page 249: ...k C o m p l e t e d Update Completed Download Board Firmware Update Mode Download Board Hard Disk UI data Update Start HDD Initialize C o m p l e t e d Update HDD F a i l e d Data Check Update Failed Power ON Downloading started Downloaded successfully Downloading failed Power OFF Power OFF Message to notify that the process has been finished Process succeeded Completed Process failed Failed HDD I...

Page 250: ...r ROM LGC board and scanner ROM SLG board is described in this section 1 Jig board Both of the printer ROM LGC board and scanner ROM SLG board use PWA F DLM 320 as a jig board to update the engine firmware Note Pay attention to the direction of the ROM when it is attached to the board LED Connector Jig board PWA F DLM 320 Socket for ROM ...

Page 251: ...ng it on the hook 3 Connect the downloading jig with the jig connector on the LGC board Scanner ROM SLG board Note Remember that the damp heater lens cover etc are hot 1 Remove 4 screws and take off the right top cover Remove the original glass 2 Remove 7 screws and disconnect one connector of the damp heater Take off the lens cover 3 Connect the downloading jig with the jig connector J22 on the S...

Page 252: ...ROM 08 903 scanner ROM 08 905 Note It is assumed that the downloading was failed if the LED on the jig board does not start flashing even though 30 seconds have elapsed since the downloading was started Check if the ROM is attached properly if the ROM data were written correctly and if the downloading jig is connected properly Clean the mirrors 1 2 and 3 part of the original glass where the shadin...

Page 253: ...DP4500 3500 UPDATING THE FIRMWARE 6 40 December 2000 TOSHIBA TEC ...

Page 254: ...December 2000 TOSHIBA TEC 7 1 DP4500 3500 WIRE HARNESS CONNECTION DIAGRAMS 7 WIRE HARNESS CONNECTION DIAGRAMS ...

Page 255: ...581 2 NOISE FI LTER To DSS WHITE Q J582 1 J625 2 J582 6 J582 5 J625 1 BL UE WHI TE REL AY FUSER UN IT IH CONTROL BOARD DHTR L DHTR R MAIN SW BLACK D B MAIN SW BLUE C Q A DOOR SW DOOR SW SW REG DOOR SW REG MAIN J581 3 Q WHI TE BLUE J584 3 WHITE SCN DH Q J581 6 BROWN BLACK Q BL ACK BLACK BL ACK WHITE BROWN J584 6 J584 1 J584 4 SW PW J598 3 J582 3 J581 5 J606 J598 2 BLACK FUSE J624 2 BL ACK WHITE WHI...

Page 256: ...DP4500 3500 WIRE HARNESS CONNECTION DIAGRAMS 7 4 December 2000 TOSHIBA TEC ...

Page 257: ...PPE BLK BLK BLK BLK BLK BLK BLK BLK BLK BLK PPE PPE BLK BLK BLK BLK POMPL 0 POMON 0A POMCK 0A DG 24VF POL MTR 4 3 5 2 1 WH LGC POL 320 J302 1 2 3 4 5 J203 PPE BLK BLK BLK BLK GND HERR1 0 HERR2 0 HTRON 0A HPWR1 0A HPWR2 0A HPWR3 0A VDD KCTRO 0A 24VG KCTRC 0 GND N C N C PS IH 320 WH LGC IH 320 KEY COUNTER 1 2 3 4 8 7 6 5 4 3 2 1 J317 1 2 3 4 5 6 7 8 9 10 11 12 13 14 J552 J554 BLK PPE PPE PPE PPE PPE...

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