Minolta Di151 Service Manual Download Page 101

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FrameMaker Ver.5.5E(PC) Di151 TROUBLESHOOTING
00.03.10

T-23

(7)

Blank streaks or bands

(8)

Void areas

Section

Step

Check

Result

Action

Engine

PC Drum is dirty.

YES

Clean.

Sleeve Roller is dirty.

YES

Clean.

Image Transfer Roller is
scratched.

YES

Change.

Fusing Roller is scratched or
dirty.

YES

Clean or change.

Paper Separator Fingers are
scratched or dirty.

YES

Change.

Dust is present on the light
path between PH and PC
Drum.

YES

Clean.

Change I/C.

Original Glass, mirrors, or lens
are dirty.

YES

Clean.

Shading sheet is dirty.

YES

Clean.

Wiring between the Scanner
and Control Board is con-
nected.

YES

Change Control Board.
Change Scanner.

Connect.

Section

Step

Check

Result

Action

Engine

Sleeve Roller is contaminated
with foreign matter.

YES

Clean or change.

Image Transfer Roller is
scratched.

YES

Change.

Image transfer current termi-
nal is dirty.

YES

Clean.

Developing bias terminal is
dirty.

YES

Clean.

Fusing Roller is scratched.

YES

Change.

Change I/C.

Wiring between the Scanner
and Control Board is con-
nected.

YES

Change Control Board.
Change Scanner.

Connect.

Summary of Contents for Di151

Page 1: ...FrameMaker Ver5 5E PC COVER FIELD SERVICE FOR Di151 00 03 15 Di151 SERVICE MANUAL Di151 SERVICE MANUAL FIELD SERVICE FIELD SERVICE ...

Page 2: ...Always observe precautions 2 Before starting the procedures be sure to unplug the power cord 3 Use the specified parts WARNING CAUTION WARNING Parts requiring special attention in this product will include a label containing the mark shown on the left plus precautionary notes Be sure to observe the pre cautions Be sure to observe the Safety Information given in the Operator s Manual This product c...

Page 3: ... result in an electric shock A part marked with the symbol shown on the left and other parts such as the exposure lamp and fusing roller can be very hot while the machine is energized Touching them may result in a burn Wait until these parts have cooled down before replacing them or any surround ing parts Be sure to connect the ground wire to the ground terminal even when perform ing an inspection...

Page 4: ... unattended Never place disassembled parts or a container of liquid on the product Parts falling into or the liquid spilling inside the mechanism could result in an electric shock or fire Never use a flammable spray near the product This could result in a fire Make sure the power cord is unplugged before removing or installing circuit boards or plugging in or unplugging connectors Always use the i...

Page 5: ...e or blindness Be sure to unplug the power cord before removing this cover If removing this cover while the power is ON is unavoidable be sure to wear pro tective laser goggles that meet specifications Make sure that no one enters the room when the machine is in this condition When handling the laser unit observe the Precautions for Handling Laser Equipment DANGER Invisible laser radiation when op...

Page 6: ... observe the INSTRUCTIONS FOR HAN DLING THE PWBs WITH MOS ICs applicable only to the products using MOS ICs The PC Drum is a very delicate component Observe the precautions given in HAN DLING OF THE PC DRUM because mishandling may result in serious image problems Note that replacement of a circuit board may call for readjustments or resetting of partic ular items or software installation After com...

Page 7: ...ettre au rebut les batteries usageés conformément aux instructions du fabricant Denmark ADVARSEL Lithiumbatteri Eksplosionsfare ved fejlagtig håndtering Udskiftning må kun ske med bat teri af samme fabrikat og type Levér det brugte batteri tilbage til leverandøren Norway ADVARSEL Eksplosjonsfare ved feilaktig skifte av batteri Benytt samme batteritype eller en tilsvarende type anbefalt av apparatf...

Page 8: ...WB or functional unit and does not give trou bleshooting procedures applicable within the defective unit All troubleshooting procedures contained herein assume that there are no breaks in the harnesses and cords and all connectors are plugged into the right positions The procedures preclude possible malfunctions due to noise and other external causes Check the area surrounding the service site for...

Page 9: ...r Never use flammable sprays near the copier A battery lithium nickel cadmium etc is used in this machine Do not charge or short circuit it and make sure of the correct polarity at replacement A used battery should be disposed of according to the local regulations and never be dis carded casually or left unattended at the user s premises When reassembling parts make sure that the correct screws si...

Page 10: ...checking the IC directly with a multimeter use connectors on the Board Never create a closed circuit across IC pins with a metal tool Before unplugging connectors from the P W Boards make sure that the power cord has been unplugged from the outlet When removing a Board from its conductive bag or conductive case do not touch the pins of the ICs or the printed pattern Place it in position by holding...

Page 11: ...ace of the PC Drum Do not apply chemicals to the surface of the PC Drum Do not attempt to wipe clean the surface of the PC Drum If however the surface is contaminated with fingerprints clean it using the following proce dure Handling of the PC Drum 1 Place the PC Drum into one half of its carton 1076D001 2 Gently wipe the residual toner off the surface of the PC Drum with a dry Dust Free Cotton Pa...

Page 12: ...tion on the PC Drum Inside the Imaging Cartridge Use care not to contaminate the surface of the PC Drum with oil base solvent finger prints and other foreign matter Do not scratch the surface of the PC Drum Do not attempt to wipe clean the surface of the PC Drum 3 Soak a small amount of either ethyl alcohol or iso propyl alcohol into a clean unused Dust Free Cot ton Pad which has been folded over ...

Page 13: ...FrameMaker Ver 5 5 PC Di151 00 03 29 INDEX FIELD SERVICE DIS REASSEMBLY ADJUSTMENT SWITCHES ON PWBs TECH REP SETTINGS TROUBLESHOOTING ...

Page 14: ...FrameMaker Ver 5 5E PC Di151 DIS REASSEMBLY ADJUSTMENT 00 03 21 DIS REASSEMBLY ADJUSTMENT 18605 ...

Page 15: ...f the Fusing Backup Roller D 18 2 Removal of the Fusing Heater Lamp D 20 3 Removal of the Fusing Roller D 21 2 7 MISCELLANEOUS D 22 1 Removal of the Scanner and Timing Belt D 22 2 Removal of the Scanner Motor D 24 3 Removal of the Paper Take Up Roll D 25 4 Removal of the Paper Take Up Solenoid D 26 5 Removal of the Main Motor and PH Section Cooling Fan Motor D 28 3 ADJUSTMENT D 30 3 1 ADJUSTMENT R...

Page 16: ...and PC Drum be sure to turn the copier OFF first If the job requires that the copier be left ON take off your watch and ring and wear laser protective goggles A highly reflective tool can be dangerous if it is brought into the laser beam path Use utmost care when handling such tools near the laser The PH is not maintainable in the field It is to be replaced as a unit including the control board Ne...

Page 17: ...sted or set at the factory and should not be readjusted set or removed in the field Note that when two or more screws are used on the part in question only one representa tive screw may be marked with red paint 2 Variable Resistors on Board Do not turn the variable resistors on boards for which no adjusting instructions are given in ADJUSTMENT 3 Other Screws 4007D045AA PH Unit Scanner 4007D043AA P...

Page 18: ...and service jobs are given at the corresponding part name in the illustration The disassembly procedures omit removal of exterior parts D 4 4007D017AA Part requiring service jobs Remove the roller after the I C has been taken out of the copier 1 Image Transfer Roller cover 2 Image Transfer Roller Disassembly Procedures Image Transfer Roller Replace Image Transfer Roller Cover Image Transfer Roller...

Page 19: ... Ver 5 5E PC Di151 DIS REASSEMBLY ADJUSTMENT 00 03 21 D 4 2 DISASSEMBLY REASSEMBLY 2 1 COVERS AND EXTERIOR PARTS IDENTIFICATION AND REMOVAL PROCEDURES 4007D001AB 1 2 3 4 5 6 7 8 9 10 11 12 4007D002AB 16 15 13 14 ...

Page 20: ...cure the Front IR Cover 8 Paper Tray Remove 9 Release and swing up the upper half of the copier Remove 6 Remove 14 Remove the screw that secures the Paper Tray 9 Manual Bypass Tray 10 Paper Exit Tray Lower Cover Remove 9 Remove 6 Remove 14 Remove 8 Remove screws that secure the Paper Exit Tray Lower Cover 11 Left IR Cover Remove 1 Remove 3 Remove 7 Remove 13 Remove 12 Remove screws that secure the...

Page 21: ... Remove the Rear Lower Cover and Rear Upper Cover Remove the protective cover PWB I PWB M Memory Board Remove the Rear Lower Cover and Rear Upper Cover Remove the protective cover PWB M PWB S Scanner Interface Board Remove the Front Upper Cover Front IR Cover Rear IR Upper Cover Rear Upper Cover and Rear Lower Cover Remove the Original Glass bracket Remove the Original Glass Remove the protective ...

Page 22: ...end its service life it is recom mended that the maintenance jobs described in this schedule be carried out as instructed PM Parts Maintenance Schedule K Part No Qty Reference Page Cleaning Replacement Fusing Section Fusing Unit 50 100V Area 4007 0431 02 200V Area 4007 0432 02 1 D 15 Image Transfer Section Image Transfer Roller 50 4110 4103 01 1 D 17 ...

Page 23: ...lf of the copier after the Front Upper Cover control panel Front Mid dle Cover Rear Upper Cover and Paper Exit Tray Lower Cover have been removed 1 Protective cover 2 Control Board NOTE Unplug all print jacks from the PWB 3 IR Lower Cover 4 Paper Exit Tray Protective Cover 4007D010AB Control Board 4007D062AA IR Lower Cover 4007D005AC Paper Exit Tray ...

Page 24: ...e removing or reinstalling the torsion bars be sure to release and swing up the upper half of the copier to release pressure When reinstalling them install torsion bar A first then torsion bar B 4007D006AB Torsion Bar B Torsion Bar A Front Side 4007D063AA Torsion Bar B Torsion Bar A Rear Side 4007D064AA Torsion Bar B Torsion Bar A ...

Page 25: ...her screws NOTE When mounting the shoulder screws make sure that the round hole and the slot in the frames are properly aligned with each other 8 Upper half of the copier Lock Plate 4007D073AA Front Side Rear Side 4007D007AA 4007D008AA Shoulder Screw Screws Shoulder Screw Upper Half of the Copier 4007D009AA ...

Page 26: ...per Cover Front IR Cover Rear IR Upper Cover Rear Upper Cover Rear Lower Cover and Right IR Cover have all been removed 1 Protective Cover 2 Control Board NOTE Unplug all print jacks from the PWB 3 ADF Set Switch hookup connector 4 IR Unit Protective Cover 4007D010AB Control Board 4007D011AB IR Unit ADF Set Switch Hookup Connector ...

Page 27: ...Unit after the Front Lower Cover Rear Lower Cover Paper Exit Tray Lower Cover and I C have been removed 1 Protective cover 2 Control Board NOTE Unplug all print jacks from the PWB 3 IR Lower Cover 4 Paper Exit Tray Protective Cover 4007D010AB Control Board 4007D062AA IR Lower Cover 4007D005AC Paper Exit Tray ...

Page 28: ...FrameMaker Ver 5 5E PC Di151 DIS REASSEMBLY ADJUSTMENT 00 03 21 D 13 5 Protective Cover 6 Print Jack 7 PH Unit fixing screws 4007D012AA Protective Cover 4007D013AB Master Board 4007D015AC PH Unit ...

Page 29: ...aker Ver 5 5E PC Di151 DIS REASSEMBLY ADJUSTMENT 00 03 21 D 14 8 Cover 9 PH Unit NOTE Take care with the torsion bars They will come off when the upper half of the copier is swung up 4007D014AA Cover PH Unit ...

Page 30: ...ng Unit Remove the Fusing Unit after the Right Cover Rear Lower Cover Front Lower Cover and I C have been removed 1 Fusing cover 2 Cover 3 Fusing Section Cooling Fan Motor 4 Right Side Plate 4007D067AA Fusing Cover Cover 4007D074AA 4007D068AA Right Side Plate Fusing Section Cooling Fan Motor ...

Page 31: ...FrameMaker Ver 5 5E PC Di151 DIS REASSEMBLY ADJUSTMENT 00 03 21 D 16 5 Fusing Unit 4007D069AA Fusing Unit Replace ...

Page 32: ...n removed 1 Image Transfer Roller cover 2 Image Transfer Roller NOTE Be sure not to lose the pusher springs hooked to the Image Transfer Roller holder 3 Gear 4 Bushing 5 Roll 6 Image Transfer Roller 4007D017AA Image Transfer Roller Cover Image Transfer Roller Replace Image Transfer Roller Holder Pusher Spring Bushing Roll Image Transfer Roller Roll 4007D018AB Gear Bushing Bushing Pusher Spring ...

Page 33: ... 18 2 6 FUSING SECTION 1 Removal of the Fusing Backup Roller 1 Thermistor hookup harness 2 Lower Fusing Unit 3 Fusing Entrance Guide Plate 4007D070AA Thermistor hookup harness Lower Fusing Unit 4007D019AC Lock in the Rear Lock at the Front Fusing Entrance Guide Plate ...

Page 34: ...1 D 19 4 Pressure spring 5 Fusing Backup Roller NOTE During reinstallation make sure that the pressure springs fit over the protrusions on the Lower Fusing Unit 4007D020AB Fusing Backup Roller Pressure Springs Front Side Rear Side Protrusions 4007D047AA 4007D060AB ...

Page 35: ...STMENT 00 03 21 D 20 2 Removal of the Fusing Heater Lamp 1 Terminal 2 Fusing Heater Lamp NOTE When inserting the Fusing Heater Lamp make sure that the end marked with the specifica tions is on the gear end 4007D021AB Gear Fusing Heater Lamp Terminal ...

Page 36: ...ng the gear make sure that the protrusion on the inner side of the gear fits into the slit on the end of the Fusing Roller When installing the Fusing Entrance Guide Plate fit the ground plate of the Fusing Entrance Guide Plate inside the ground plate on the Fusing Unit side 4007D022AA Fusing Roller 1 Gear Fusing Entrance Guide Plate 3 2 4007D071AA Where the Ground Plate is Mounted Ground Plate of ...

Page 37: ...parts after the Front Upper Cover Front IR Cover Left IR Cover Rear IR Upper Cover Rear Upper Cover Rear Lower Cover and Right IR Cover have all been removed 1 Original Glass holding bracket 2 Original Glass 3 Timing belt pulley 4 Timing belt Original Glass 4007D023AB Original Glass Holding Brackets 4007D072AA Timing belt pulley Timing belt ...

Page 38: ... on timing belt side 6 Scanner Rail on timing belt side 7 Scanner plate 8 Flexible harness 9 Scanner NOTE When installing the Scanner always connect the flexible harness first Scanner Rail 4007D024AB Scanner Rail Fixing Screw 4007D025AC Scanner 1 Flexible Harness Scanner Plate Protective Cover 3 2 ...

Page 39: ...FrameMaker Ver 5 5E PC Di151 DIS REASSEMBLY ADJUSTMENT 00 03 21 D 24 2 Removal of the Scanner Motor 1 IR Unit 2 Fixing bracket 3 Scanner Motor IR Unit 4007D026AA Scanner Motor Fixing Bracket ...

Page 40: ... Roll Remove the Paper Take Up Roll after the I C has been taken out of the copier 1 Paper Take Up Roll NOTE When securing the Paper Take Up Roll make sure that the positioning pin on the back side of the roll fits into the hole in the shaft 4007D027AA 1 2 Paper Take Up Roll Paper Take Up Roll Cover ...

Page 41: ...noid Remove the solenoid after the Front Lower Cover Paper Tray Manual Bypass Tray Man ual Bypass Tray Lower Cover Rear Lower Cover and Right Cover have all been removed 1 Protective cover 2 Print jack 3 Paper Take Up Solenoid hookup connector Protective Cover 4007D012AA Master Board 4007D048AA 4007D049AB ...

Page 42: ... Ver 5 5E PC Di151 DIS REASSEMBLY ADJUSTMENT 00 03 21 D 27 4 Base plate fixing screws 5 Base plate 6 Paper Take Up Solenoid Front Rear 4007D031AA 4007D032AA Base Plate 4007D030AA 4007D033AB Paper Take Up Solenoid ...

Page 43: ...f the copier and I C has been removed 1 Protective cover 2 Master Board 3 Base plate D 27 4 Rear side plate fixing screws marked with black dots 5 Gear Assy fixing screws marked with black squares 6 Rear side plate gear assy NOTE Install the rear side plate first then the base plate Master Board 4007D046AA Protective Cover 4007D035AB Gear Assy 4007D037AA Rear Side Plate ...

Page 44: ...FrameMaker Ver 5 5E PC Di151 DIS REASSEMBLY ADJUSTMENT 00 03 21 D 29 7 Main Motor PH Section Cooling Fan Motor PH Section Cooling Fan Motor 4007D038AA Main Motor ...

Page 45: ... 3 ADJUSTMENT 3 1 ADJUSTMENT REQUIREMENTS LIST Adjustment Item Requirements Adjustment Point Ref Page Registration Paper Tray Control panel CD D 33 FD 20 2 0 mm D 34 Zoom Ratios Scanner CD 100 1 0 mm D 35 FD 200 2 0 mm D 36 Registration Scanner CD D 37 FD 20 2 0 mm D 38 ...

Page 46: ...ck Switch adjusting bracket and slide it downward until it is stops 4 Swing down the upper half of the copier into its locked position 5 Moving the Upper Unit Interlock Switch adjusting bracket upward find the position at which a click of the switch is heard Then tighten the screw to secure the adjusting bracket in that position Check Method When the Power Switch is turned ON the Exposure Lamp sho...

Page 47: ...art key Press the 1Key until the specific function is dis played 3 Producing a Test Pattern NOTE A test pattern is used when making the following adjustments CD registration adjustment Paper Tray FD registration adjustment Paper Tray Registration adjustment Scanner Zoom ratio adjustment Scanner Procedure 1 Enter the Tech Rep mode 2 Press the following keys in this order to enter the function of F5...

Page 48: ... 4 Change the setting value using the 1Key or 10Key as necessary 1 step equivalent to 0 5 mm If the centerline deviates on the B side increase the setting value If the centerline deviates on the A side decrease the setting value If one adjustment sequence does not bring the centerline into the required range per form the sequence again 5 Press the Start key to validate the setting value NOTE If th...

Page 49: ...10Key as necessary 1 step equivalent to 0 5 mm If dimension C on the test pattern is longer than the specified range decrease the setting value If dimension C on the test pattern is shorter than the specified range increase the setting value If one adjustment sequence does not bring the dimension into the required range per form the sequence again 5 Press the Start key to validate the setting valu...

Page 50: ...ry 1 step equivalent to 0 4 If dimension D on the copy of the test pattern is longer than the specified range decrease the setting value If dimension D on the copy of the test pattern is shorter than the specified range increase the setting value If one adjustment sequence does not bring the dimension into the required range per form the sequence again 6 Press the Start key to validate the setting...

Page 51: ...ry 1 step equivalent to 0 4 If dimension E on the copy of the test pattern is longer than the specified range decrease the setting value If dimension E on the copy of the test pattern is shorter than the specified range increase the setting value If one adjustment sequence does not bring the dimension into the required range per form the sequence again 6 Press the Start key to validate the setting...

Page 52: ...ot aligned with the crease perform the following adjustment pro cedure 4 Enter Adjust function A3 5 Change the setting value using the 1Key or 10Key as necessary 1 step equivalent to 0 5 mm If the centerline deviates on the B side increase the setting value If the centerline deviates on the A side decrease the setting value If one adjustment sequence does not bring the centerline into the required...

Page 53: ...equivalent to 0 5 mm If dimension C on the copy of the test pattern is longer than the specified range decrease the setting value If dimension C on the copy of the test pattern is shorter than the specified range increase the setting value If one adjustment sequence does not bring the dimension into the required range per form the sequence again 6 Press the Start key to validate the setting value ...

Page 54: ... Release and swing up the upper half of the copier 3 Remove the torsion bar attachment plate 4 Change the position of the torsion bar in the attachment plate as necessary 5 Secure the torsion bar attachment plate into position Hole Copier Configuration A Factory setting or when the Original Cover is mounted When the Fax Unit is mounted B When the Automatic Document Feeder is mounted C When both th...

Page 55: ...OM U21 has not been remounted be sure to make settings and readjustments as necessary because New EEPROM U21 contains no data in this case 1 Remove the Control Board 2 Remove EEPROM U21 from the new Control Board 3 Remove EEPROM U21 from the old Control Board and remount it onto the new Con trol Board New EEPROM 4007D056AA Old EEPROM New Control Board Old Control Board NOTE Note the alignment notc...

Page 56: ...FrameMaker Ver5 5E PC Di151 SWITCHES ON PWBs TECH REP SETTINGS 2000 02 03 SWITCHES ON PWBs TECH REP SETTINGS 17196 ...

Page 57: ...ys S 1 2 USER S CHOICE MODE S 5 2 1 Functions Available from the User s Choice Mode S 5 2 2 User s Choice Function Setting Procedure S 5 2 3 Settings in the User s Choice Mode S 6 3 TECH REP MODE S 10 3 1 Tech Rep Mode Function Tree S 10 3 2 Tech Rep Mode Setting Procedure S 11 1 Display S 11 2 Function S 13 3 Tech Rep Choice S 15 4 Adjust S 17 ...

Page 58: ...5 Copies Function Key Use to change the Copies setting and the Function Mode settings 6 Zoom Key Press to change the zoom ratio Use to select the standard zoom ratio 7 Exposure Control Key Darker Use to manually adjust the density of the document Image will become darker by press ing this key 8 Auto Exposure Mode Key Press to select either the Auto Exposure Mode the Manual Exposure Mode or the Pho...

Page 59: ...FrameMaker Ver5 5E PC Di151 SWITCHES ON PWBs TECH REP SETTINGS 2000 02 03 S 2 C Auto Photo Non Sort OHP 2in1 Non Sort Sort 2in1 Sort Card Inch Areas 1 2 3 4 5 6 7 8 9 10 4007S001EA ...

Page 60: ...FrameMaker Ver5 5E PC Di151 SWITCHES ON PWBs TECH REP SETTINGS 2000 02 03 S 3 A F1 F4 F1 F4 C Non Sort OHP 2in1 Non Sort Sort 2in1 Sort Card 1 2 3 4 5 6 7 8 9 10 Metric Areas 4007S002DA ...

Page 61: ...FrameMaker Ver5 5E PC Di151 SWITCHES ON PWBs TECH REP SETTINGS 2000 02 03 S 4 Non Sort OHP 2in1 Non Sort Sort 2in1 Sort Card C Auto Photo Others 1 2 3 4 5 6 7 8 9 10 4007S003CA ...

Page 62: ...ing Procedure Setting Procedure 1 On the copying mode screen hold down the Exposure Control Lighter key for about 3 sec or more 2 Using the 10Key and 1Key select the appropriate choice code 3 Press the Start key to show the current setting 4 Using the 10Key and 1Key select the appropriate choice data 5 Press the Start key to validate the choice data entered Exiting the Mode Press the Clear Stop ke...

Page 63: ...bled is selected in U3 Disable Sleep U3 Disable Sleep Select whether to enable the OF setting of Sleep U4 Exposure Mode Priority Photo Mode Select the priority exposure mode either Text Auto Exposure Text Manual Exposure or Photo Manual Exposure U5 Auto Exposure Priority Select the priority exposure level in the Auto Exposure mode Highlighted Data Description Data Description OF Disabled 2 2min 05...

Page 64: ...be used for Manual Bypass feeding After the CD size has been set press the Start key which allows the user to set the FD size CD Size Highlighted Data Description Exposure Level LEDs 4 Darker 3 2 1 Standard 1 Lighter 2 3 4 0 Metric Areas Inch Areas Data Description Data Description A4L Letter L 2 A5L 2 Legal L 3 Half Letter L 1 1 Data Description 128 134mm 5 5 1 4 14 135 144mm 5 1 4 5 3 4 15 145 1...

Page 65: ...5 194mm 7 1 4 7 3 4 20 195 204mm 7 3 4 8 21 205 214mm 8 8 1 2 22 215 224mm 8 1 2 8 3 4 23 225 234mm 8 3 4 9 1 4 24 235 244mm 9 1 4 9 1 2 25 245 254mm 9 3 4 10 26 255 264mm 10 10 1 2 27 265 274mm 10 1 2 10 3 4 28 275 284mm 10 3 4 11 1 4 29 285 294mm 11 1 4 11 1 2 30 295 304mm 11 1 2 12 31 305 314mm 12 12 1 4 32 315 324mm 12 1 2 12 3 4 33 325 334mm 12 3 4 13 1 4 34 335 344mm 13 1 4 13 1 2 35 345 356...

Page 66: ...atic Document Feeder UA Tray Priority for Copier mode Select the priority paper source selected when the copier is turned ON Ub Image Density for Printer mode Select the image density level of printer outputs UC Tray Priority for Printer mode Select the priority paper source for printer outputs Highlighted Data Description Data Description F1 Non Sort Sort F2 2in1 Non Sort F4 2in1 Sort F1 Data Des...

Page 67: ...ng Position Contamination Test AF 8 FF Scanner Home Position C1 Marketing Area C2 Toner Empty Stop C3 Predrive C6 Data Clear C8 Exposure Lamp OFF Time Setting A1 Zoom Adjustment in CD Direction Copy A2 Zoom Adjustment in FD Direction Copy A3 Registration Adjustment in CD Direction Copy A4 Registration Adjustment in FD Direction Copy A5 Zoom Adjustment in CD Direction AF 8 A6 Zoom Adjustment in FD ...

Page 68: ...um value that can be displayed for the counter is 999 999 Procedure Press the 1Key as necessary until d appears on the display Press the Start key to let the copier start the sequence Exiting the Mode Press the Clear Stop key Code Description d1 I C Counter Displays the count of the I C counter Two digits each are displayed on the display cycling through all digits of the count as detailed below E...

Page 69: ...are displayed on the display cycling through all digits of the count as detailed below E g 12345 d7 ROM Version Displays the ROM version Two digits each are displayed on the display cycling through all digits of the ROM version number as detailed below E g 1 00 d8 Total Memory Size for Copier Displays the capacity of the copier memory d9 Total Memory Size for Printer Controller Displays the capaci...

Page 70: ...edure 1 Press the Start key This turns ON the Exposure Lamp and lets the Scanner make a scan motion 2 Press the Clear Stop key to stop the operation F3 Original Passage Test Checks the Automatic Document Feeder for correct document pas sage Procedure 1 Place paper on the Document Feed Tray 2 Press the Start key to let the Automatic Document Feeder start the document take up and feeding sequence F4...

Page 71: ...tion Contamination Test AF 8 Checks the Automatic Document Feeder original scanning position Original Glass for contamination Procedure 1 Place A4 blank paper on the original scanning part 2 Press the Start key to let the copier produce a copy 3 Check the copy for possible contamination FF Scanner Home Position Moves the Scanner to its home position Used to lock the Scanner in position when the co...

Page 72: ...Mode Press the Clear Stop key Choice Code Setting The default is C1 Marketing Area Select the display options for paper sizes and fixed zoom ratios according to the applicable marketing areas Default 0 Metric areas 1 Inch areas C2 Toner Empty Stop Select whether or not to inhibit the initiation of a new copy cycle after a toner empty condition has been detected C3 Predrive Select whether or not to...

Page 73: ...urn OFF and ON the Power Switch This completes the clearing of the data NOTES 9 or A can be selected when the Auto Exposure Mode key is pressed A is selected when clearing all counters at once C6 1 to 7 C8 Exposure Lamp OFF Time Setting Select the time it takes the Exposure Lamp to turn OFF after a copy cycle has been completed Highlighted Data Description Data Description 0 None 7 PM counter 1 I ...

Page 74: ...oom ratio in the CD direction on the IR side for copies A2 Zoom Adjustment in FD Direction Copy Adjust the zoom ratio in the FD direction on the IR side for copies A3 Registration Adjustment in CD Direction Copy Adjust registration in the CD direction on the IR side for copies A4 Registration Adjustment in FD Direction Copy Adjust registration in the FD direction on the IR side for copies A5 Zoom ...

Page 75: ...djust registration in the CD direction on the engine side when the Paper Tray is used AA Registration Adjustment in FD Direction Paper Tray Adjust registration in the FD direction on the engine side when the Paper Tray is used Ab Registration Adjustment in CD Direction PF 116 Adjust registration in the CD direction on the engine side when the Paper Feed Unit is used AC Registration Adjustment in F...

Page 76: ...FrameMaker Ver 5 5E PC Di151 TROUBLESHOOTING 00 03 10 TROUBLESHOOTING 10794 ...

Page 77: ... Failure to Turn T 11 3 C0200 HV Output Failure T 12 4 C0500 Warm up Failure C0510 Abnormally Low Fusing Temperature C0520 Abnormally High Fusing Temperature T 13 5 C0650 Scanner Motor s Failure to Turn Scanner Home Position Sensor Malfunction T 14 6 C14A3 Exposure Lamp Malfunction T 15 7 C1200 System Memory Failure C1300 Polygon Motor Malfunction C133B Option Communications Error C13F0 SOS Detect...

Page 78: ...FrameMaker Ver 5 5E PC Di151 TROUBLESHOOTING 00 03 10 ii 12 Rough image T 25 13 Periodically uneven image T 26 ...

Page 79: ...y the location of the paper is present and start the procedure for that particular location For malfunction troubleshooting start with step 1 and onward 2 Make checks in the numerical order of steps and if an item is checked okay go to the next step Pattern 1 Go to step 2 if you answered No Step Check Result Action 1 YES 2 Pattern 2 Go to step 2 if it checks okay Step Check Result Action 1 YES NO ...

Page 80: ... on the paper source User loads paper of a wrong size in the paper source Double feeding of paper occurs Lit Misfeed Paper Location Action Ref Item OP PC Copier paper take up 2 5 1 Manual bypass paper take up 2 5 1 PF 116 paper take up 2 5 4 J2 Transport 2 5 2 J3 Exit 2 5 3 J8 AF 8 See the relevant option service manual When the option is mounted Misfeed in the copier Open the relevant door remove...

Page 81: ...ypass Paper Take Up Misfeed Transport Misfeed Exit Misfeed Size Error Type Detection Start Detection Paper take up failure detection Paper Take Up Solenoid energized Paper Take Up Sensor L Type Detection Start Detection Trailing edge detection by Paper Take Up Sensor Paper Take Up Sensor L Paper Take Up Sensor T Leading edge detection by Paper Exit Sensor Paper Take Up Sensor L Paper Exit Sensor L...

Page 82: ... correct paper storage 3 Paper Take Up Roll is deformed worn or has paper dust YES Clean or change 4 Paper Take Up Solenoid operation the voltage across PJ3A 2 on the Master Board and GND is DC24 V solenoid deenergized and DC0 V instantaneously solenoid energized when the Start key is pressed YES Change solenoid NO Change Master Board 5 Paper Take Up Sensor operation the voltage across PJ8A 3 on t...

Page 83: ... worn YES Clean or change 4 PC Drum Paper Separator Fingers are dirty or deformed YES Clean Or change I C Step Check Result Action 1 Fusing Guide Plate is dirty or deformed YES Clean or change 2 Fusing Roller is dirty deformed or worn YES Clean or change 3 Fusing Roller Paper Separator Fingers are dirty deformed or worn YES Clean correct or change 4 Paper Exit Sensor operation the voltage across P...

Page 84: ...Step Check Result Action 1 Paper Exit Roller rotation NO Correct drive coupling 2 Paper Exit Roller is dirty deformed or worn YES Clean or change 3 Paper Exit Sensor operation the voltage across PJ8A 6 on the Master Board and GND is DC0 V sensor unblocked and DC5 V sen sor blocked YES Change Master Board NO Correct actuator Change sensor PJ8A 4 ANODE PS3 PJ8A 5 GND PJ8A 6 PS3 ON PWB A PJ5 PS3 3 2 ...

Page 85: ...or change 4 Paper Transport Roller is deformed worn or has paper dust YES Clean or change 5 Paper Take Up Solenoid operation the voltage across PJ11A 8 on the Master Board and GND is DC24 V solenoid deenergized and DC0 V instantaneously solenoid energized when the Start key is pressed YES Change solenoid NO Change Master Board 6 Paper Take Up Sensor operation the voltage across PJ8A 3 on the Maste...

Page 86: ...t is turned ON The image transfer monitor voltage is 0 5 V or more immediately before the image transfer output is turned ON The image transfer monitor voltage does not increase 0 5 V or more within 40 ms after the image transfer output is turned ON C0500 Warm up failure During the period from 12 s to 30 s after the start of the warm up cycle a condition of small temperature difference from the te...

Page 87: ...ter of below 43 or above 56 SOS signals output for a 20 ms period is detected five consecutive times No SOS signal is detected during the period from the start of laser emission to the deenergization of the Polygon Motor C13F0 SOS detection failure C133B Option communications error The Controller Board is not detected within 5 s after the start of a print cycle C1468 Hardware EEPROM malfunction An...

Page 88: ... Correct drive 2 Main Motor operation the voltage across PJ6A 3 on the Master Board and GND is DC5 V motor deenergized and DC0 V motor ener gized after the malfunction has been reset NO Change Master Board 3 The voltage across PJ6A 4 on the Master Board and GND is DC5 V motor deenergized and DC0 V motor energized after the mal function has been reset YES Change Master Board NO Change motor M1 PJ3 ...

Page 89: ...tor operation the voltage across CN7 1 on the Power Supply Board and GND is DC1 2 V during high speed rotation and DC12 V during low speed rota tion after the malfunction has been reset YES Change motor NO Change Power Supply Board Change Master Board Step Check Result Action 1 PH Section Cooling Fan Motor operation the voltage across PJ13A 2 on the Master Board and GND is DC24 V after the malfunc...

Page 90: ...on has been reset YES Change High Voltage Unit 2 Proper connection between the High Voltage Unit and Master Board YES Change Master Board NO Correct connection PJ4A 1 DC5V PJ4A 2 SS_H L_CTL PJ4A 3 T_VR PJ4A 4 HV_REM PJ4A 5 T_MON PJ4A 6 B_MON PJ4A 7 B_REM PJ4A 8 C_REM PJ4A 9 C_MON PJ4A 10 GND PJ4A 11 DC24V PWB A Drum Charg Developing Bias Seal Bias Toner Blade Bias Image Transfer PJ10HV 11 PJ10HV 1...

Page 91: ...p opera tion there is continuity across CN14 1 and 2 on the Fusing Unit side as measured with CN14 disconnected NO Change Thermoswitch Change Fusing Heater Lamp 4 The voltage across PJ14A 3 on the Master Board and GND is DC0 V Fusing Heater Lamp ON and DC24 V Fusing Heater Lamp OFF after the malfunction has been reset YES Change Power Supply Board Change Fuse 2 of Power Supply Board NO Change Mast...

Page 92: ...Motor Change Control Board NO Correct connections 4 Scanner Home Position Sensor operation the voltage across JP14 1 on the Control Board and GND is DC0 V sensor unblocked and DC3 V sensor blocked after the malfunction has been reset YES Change Control Board NO Change sensor PJ31 1 DC24V PJ31 3 DC15V PJ31 5 DC 9V PJ31 7 GND PJ32 2 DC5V PJ32 3 DC5V PJ32 4 GND PJ32 6 DC5V REM SLP PJ32 7 DC24V REM SL...

Page 93: ... Board YES Change Scanner Interface Board Change Control Board Change Scanner NO Correct connections PJ1A 1 PJ1A 2 PJ1A 3 PJ1A 4 PJ1A 5 PJ1A 6 PJ1A 7 PJ1A 8 PJ1A 9 PJ1A 10 PJ1A 11 PJ1A 12 PWB A 11 10 12 1 2 3 4 5 6 7 8 9 JP5 1 2 3 4 5 6 7 8 9 JP7 PJ31 1 DC24V PJ31 3 DC15V PJ31 5 DC 9V PJ31 7 GND PJ32 2 DC5V PJ32 3 DC5V PJ32 4 GND PJ32 6 DC5V REM SLP PJ32 7 DC24V REM SLP PU1 PWB S PWB I LA1 1 2 1 2...

Page 94: ...ections are okay change the Control Board and or Memory Board C1300 C13F0 1 Reset the malfunction 2 If the malfunction is detected again check the harness between and PJ con nections on the PH Unit and Master Board 3 If connections are okay change the PH Unit and Master Board C133B 1 Reset the malfunction 2 If the malfunction is detected again check the Control Board and the control ler board 3 If...

Page 95: ...nge Power Supply Board 3 Only the Fusing Section Cooling Fan Motor operates The voltage across JP7 2 3 on the Control Board and GND is DC5 V when the Power Switch is turned ON YES Change Control Board NO Change Power Supply Board 4 Only the display and Scanner operate The voltage across PJ7A 4 on the Master Board and GND is DC5 V when the Power Switch is turned ON YES Change Master Board NO Change...

Page 96: ...lt Action Installation site 1 See PRECAUTIONS FOR INSTALLATION in GENERAL NO Change the installation site Paper 2 Recommended paper used NO Instruct user 3 Paper is damp YES Change paper Instruct user in paper storage Original 4 Original not flat YES Correct original 5 The original is written in light pencil YES Instruct user 6 The original is transparent OHP transparencies etc YES Instruct user 7...

Page 97: ...Image Failure Image Failure Samples 1167T017AA 1 Blank copy 2 Black copy 3 Low image density 4 Foggy background 5 Black streaks or bands 6 Black spots 10 Uneven image density 11 Gradation reproduction failure 13 Periodically uneven image 7 Blank streaks or bands 8 Void areas 9 Smear on back 12 Rough image ...

Page 98: ...nsfer Roller NO Clean or connect correctly IR 1 Wiring between the Scanner and Control Board is con nected Flat cables are con nected YES Change the Scanner Interface Board Change Control Board Change Scanner NO Connect Section Step Check Result Action Engine 1 The drum charge voltage ter minal is dirty YES Clean 2 Black copy is still produced even after the I C has been replaced YES Change High V...

Page 99: ...en the Scanner and Control Board is con nected YES Change Scanner Change Control Board NO Connect Section Step Check Result Action 1 Extraneous light has entered the copier YES Protect copier from extrane ous light Engine 1 PC Drum is contaminated with foreign matter YES Clean 2 Drum charge voltage terminal is dirty YES Clean 3 Regulator Blade terminal is dirty YES Clean 4 Seal bias terminal is di...

Page 100: ... IR 1 Original is positioned correctly NO Position correctly 2 Exposure Lamp is dirty YES Clean 3 Wiring between the Scanner and Control Board is con nected YES Change Scanner Change Control Board NO Connect Section Step Check Result Action Engine 1 PC Drum is dirty YES Clean 2 Sleeve Roller is contaminated with foreign matter and caked toner YES Clean 3 Toner spilled over areas inside copier YES ...

Page 101: ...hange I C IR 1 Original Glass mirrors or lens are dirty YES Clean 2 Shading sheet is dirty YES Clean 3 Wiring between the Scanner and Control Board is con nected YES Change Control Board Change Scanner NO Connect Section Step Check Result Action Engine 1 Sleeve Roller is contaminated with foreign matter YES Clean or change 2 Image Transfer Roller is scratched YES Change 3 Image transfer current te...

Page 102: ...NO Change High Voltage Unit Change PH Unit Change Master Board Section Step Check Result Action Engine 1 Toner is even on Sleeve Roller NO Change I C 2 Image Transfer Roller is dirty or deteriorated YES Clean or change NO Change I C Change PH Unit Change Master Board IR 1 Original Glass mirrors or lens are dirty YES Clean 2 Shading sheet is dirty YES Clean or change 3 Exposure Lamp is dirty or det...

Page 103: ...irty YES Clean 2 Shading sheet is dirty YES Clean 3 Wiring between the Scanner and Control Board is con nected YES Change Control Board Change Scanner NO Connect Section Step Check Result Action Engine 1 Toner is even on Sleeve Roller NO Change 2 Image Transfer Roller is dirty YES Clean or change 3 Image transfer current termi nal is dirty YES Clean NO Change I C IR 1 Wiring between the Scanner an...

Page 104: ...r Roller drive gear is cracked or contami nated with foreign matter YES Clean or change 5 Fusing Unit drive gear is cracked or contaminated with foreign matter YES Clean or change 6 PH Unit is securely fastened YES Change PH Unit NO Secure in position IR 1 Scanner Motor drive gear is cracked or contaminated with foreign matter YES Clean or change 2 Scanner Motor is secured in position NO Secure in...

Page 105: ...FrameMaker Ver5 5E PC COVER FIELD SERVICE FOR Di151 00 03 15 Di151 SERVICE MANUAL FIELD SERVICE ...

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Minolta Di151, Service Manual, Page: 101 / 105

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Summary of Contents for Di151

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