Minolta magicolor 2300 Series Service Manual Download Page 48

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DEVELOPING UNIT

(1)

Toner Cartridge Rack

When printing in each of the four different colors of toner, the Toner Cartridge Rack is
rotated to bring the Toner Cartridge of the corresponding color of toner (K, Y, M, or C) to the
developing position.

(2)

Drive for the Toner Cartridge Rack

• The Toner Cartridge Rack is driven by the Rack Motor (M2) and Rack Clutch.

Toner Cartridge Rack

Toner Cartridge

Direction of
Rotation

PC Drum

Developing
Roller

Developing Roller
Drive Gears

4131M047AA

4131M048AA

Summary of Contents for magicolor 2300 Series

Page 1: ...magicolor 2300 Series Service Manual 1750058 001A...

Page 2: ...6618 All Rights Reserved This document may not be copied in whole or part nor transferred to any other media or language without written permission of MINOLTA QMS Inc Manual Notice MINOLTA QMS Inc res...

Page 3: ...unit 30 Operating environment 30 Power supply requirements 30 Other precautions 30 Parts Identification 31 MECHANICAL ELECTRICAL 33 CROSS SECTIONAL VIEW 35 ELECTRICAL COMPONENTS LAYOUT 36 OPERATING S...

Page 4: ...ont cover and the top cover 85 Removing the front door 85 Removing the rear cover 86 Removing the master board PWB A 86 Power supply cooling fan motor M4 86 Removing the ventilation fan motor M6 87 Re...

Page 5: ...107 Control Panel Descriptions 109 Names of control panel parts and their functions 109 Display screens 110 Menu Contents 113 Print menu over view 113 Settings menus 114 Service Mode 116 Service mode...

Page 6: ...6...

Page 7: ...7 SAFETY...

Page 8: ......

Page 9: ...Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices CAUTION The following graphic symbols are...

Page 10: ...ltiple outlet Do not break crush or otherwise damage the power cord Placing a heavy object on the power cord or pulling or bending it may damage it resulting in a possible fire or electric shock Do no...

Page 11: ...all tubing and other insulating materials are returned to their original positions Make sure that floating components mounted on the circuit boards are at their correct distance and position off the...

Page 12: ...e good ventilation at regular intervals if a service job must be done in a confined space for a long period of time Avoid dusty locations and places exposed to oil or steam Avoid working positions tha...

Page 13: ...Mettre au rebut les batteries usag es conform ment aux instructions du fabricant Denmark ADVARSEL Lithiumbatteri Eksplosionsfare ved fejlagtig h ndtering Udskiftning m kun ske med batteri af samme fa...

Page 14: ...reassemble the product reverse the order of disassembly unless otherwise specified TROUBLESHOOTING If a component on a PWB or any other functional unit including a motor is defective the text only in...

Page 15: ...e the GND wire 6 Handling of PWBs During Transportation Storage During transportation or when in storage new P W Boards must not be indiscriminately removed from their protective conductive bags Do no...

Page 16: ...m 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 pro...

Page 17: ...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 n...

Page 18: ...loys a Class 3b laser diode that emits an invisible laser beam The laser diode and the scanning polygon mirror are incorporated in the print head unit The print head unit is NOT A FIELD SERVICE ITEM T...

Page 19: ...ched to laser products marketed in the United States All Areas Denmark CAUTION Use of controls adjustments or performance of procedures other than those specified in this manual may result in hazardou...

Page 20: ...tas f r osynlig laserstr lning som verskrider gr nsen f r laserklass 1 halvledarlaser Den maximala effekten f r laserdioden 5 mW v gl ngden 770 795 nm VARO Avattaessa ja suojalukitus ohitettaessa olet...

Page 21: ...A laser safety label is attached to the outside of the machine as shown below 1 8 Laser Caution Label A laser caution label is attached to the inside of the machine as shown below for 120V for 220 24...

Page 22: ...to be performed in the laser beam path such as when working around the printerhead and PC Drum be sure first to turn the printer OFF If the job requires that the printer be left ON take off your watc...

Page 23: ...23 GENERAL...

Page 24: ......

Page 25: ...eed in method 1 way system maximum 2 way 1 Manual feed tray 200 sheets of plain paper 2nd paper cassette 500 sheets of plain paper 1Expandable to 2 way system by installing the optional 2nd paper cass...

Page 26: ...mechanism Paper separator system Power source Supplied by main unit DC24 V 10 Drive source Supplied by main unit Dimensions 380 mm W x 511 mm D x 176 mm H including the height of the right side door W...

Page 27: ...x 600 dpi 1200 x 600 dpi 2400 x 600 dpi Printer Driver OS Windows 95 98 Me Windows NT4 0 Windows 2000 Win dows XP Compatible clients PC IBM PC or compatible CPU CPU clock of 300 MHz or more recommende...

Page 28: ...uch as paint thinner or gasoline A location that is not exposed to water or other liquids and where a short circuit of the unit is not likely A location that does not put people in the direct airflow...

Page 29: ...the electrical outlet or to a ground con nection that complies with local electrical standards Never connect the ground wire to a gas pipe a telephone ground connection a lightning rod or a water pipe...

Page 30: ...uch as paper clips or staples to fall into the unit or any of its openings 3 2 Operating environment In order to ensure proper operation of the unit make sure that the operating environment meets the...

Page 31: ...131o106AA 4131o001AA 4131g002AA 4131g003AA 4131g004AA 1 Manual feed tray 2 Power switch 3 Image transfer belt unit 4 Waste toner bottle 5 Drum cartridge 6 Toner cartridge 7 Right side door release lev...

Page 32: ...32...

Page 33: ...33 MECHANICAL ELECTRICAL...

Page 34: ......

Page 35: ...by the Paper Take Up Roll is transported by the Transport Roller Synchronizing Roller Second Image Transfer Roller Fusing Roller and the Exit Roller and fed out of the printer K Y M C 1 2 3 4 5 6 7 8...

Page 36: ...36 2 ELECTRICAL COMPONENTS LAYOUT 1 Printer 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 17 4131D002AA...

Page 37: ...ing Sensor PC6 15 OHP Detecting Sensor PC3A 16 Synchronizing Roller Sensor PC2 17 Laser Safety Switch S4 18 Front Door Switch S2 19 Manual Feed Paper Empty Sensor PC1 20 Manual Feed Paper Take Up Sole...

Page 38: ...t Controller CN3 Connector USB connector U12 IC USB Controller CN5 Connector IEEE1284 Parallel Connector U21 IC Parallel buffer U6 IC System data storage ROM 4 MB U5 ASIC JBIG compressed image process...

Page 39: ...ller Sensor PC2 Second Image Transfer Output Second Image Transfer Roller Pressure Contact Solenoid SL5 Belt Cleaner Separator Solenoid SL4 Manual Feed Paper Take Up Solenoid SL1 Transport Roller Sole...

Page 40: ...r Belt 2 The photo receiver detects the intensity of the infrared light reflected off the toner pat tern on the Image Transfer Belt 3 A voltage corresponding to the intensity of the reflected light is...

Page 41: ...image 5 Laser intensity adjustment control Adjusts the intensity of the laser light to ensure constant reproduction of black and white lines and constant toner consumption characteristics with change...

Page 42: ...s detected When a new Drum Cartridge or Toner Cartridge is detected When the environment changes When 1 000 printed pages have been produced 1 A Ds correction control LED intensity adjustment control...

Page 43: ...ed based on the value calculated through ATVC control by the Temperature Humidity Sensor environment Humidity Data Temperature Data Master Board PWB A Temperature Humidity Sensor HS1 High Voltage Unit...

Page 44: ...y after it has been removed from the printer Use utmost care to pro tect the surface of the PC Drum from contamination Grounding of the PC Drum The PC Drum ground point is located inside and in the re...

Page 45: ...corona emission to deposit a charge evenly across the surface of the PC Drum through a grid mesh he comb electrode ensures that a charge is concentrated on the grid mesh thus reduc ing the amount of o...

Page 46: ...Motor and Main Motor are energized by the PRINT signal which starts a paper take up sequence The printing action in the FD direction is started when the Image Transfer Belt Position ing Sensor is act...

Page 47: ...3 Print Area The figure below shows the print area in the FD and CD direction HSYNC VIDEO VIDEO TOD Void Image Width 4 mm Void Image Width 4 mm CD Direction 208 mm FD Direction 345 mm 80 ms 4131M046A...

Page 48: ...ring the Toner Cartridge of the corresponding color of toner K Y M or C to the developing position 2 Drive for the Toner Cartridge Rack The Toner Cartridge Rack is driven by the Rack Motor M2 and Rack...

Page 49: ...M2 and the Developing Roller Drive Gears When the Toner Cartridge Rack is stopped at the developing position the Developing Roller is rotated by a drive from the Rack Motor M2 transmitted with the De...

Page 50: ...the current use 2 Toner Cartridge Rack Standby Position The standby position reference position of the Toner Cartridge Rack is 20 ahead of the developing stop position of the black Toner Cartridge Wh...

Page 51: ...oner Cartridge is constructed as illustrated below 1 2 3 4 5 6 7 8 4131M050AA 4131M051AA 1 Toper Hopper 2 Toner Agitating Plate 3 Toner Transport Roller 4 Developing Roller 5 PC Drum 6 First Regulator...

Page 52: ...is fed to the PC Drum 5 Toner Empty Detection Toner consumption is calculated from image data for toner empty detection When a toner empty condition is detected the corresponding message is displayed...

Page 53: ...lation detection is made with the Toner Cartridge Detection Sensor PC8 and the Reflector in the Toner Cartridge Detection Method Intensity of Light Reflected No Cartridge installed NO Cartridge instal...

Page 54: ...he Toner Cartridge is installed 5 The Toner Cartridge Detection Sensor judges that no Toner Cartridge is installed since no light reflection is made with the Reflector placed under the Cover in the br...

Page 55: ...nit 1 Construction 2 Drive Train 1 2 3 4 5 6 4131M053AA 1 Image Transfer Belt 2 Cleaning Blade 3 Waste Toner Conveying Coil 4 First Image Transfer Roller 5 Drive Roller 6 Second Image Transfer Roller...

Page 56: ...sfer bias is applied to the Second Image Transfer Roller to trans fer the toner image on the Image Transfer Belt onto the paper The residual charge left on the paper is neutralized by the Charge Neutr...

Page 57: ...nsfer Roller away from the Image Transfer Belt The pressure and retracted positions are detected by the Second Image Transfer Roller Pressure Positioning Sensor PC7 6 Second Image Transfer Roller Pres...

Page 58: ...left on the roller The residual toner is transferred onto the Image Transfer Belt and then recovered by the Cleaning Blade 1 Operating Timing After the lapse of a given period of time during pre drive...

Page 59: ...Cleaning Blade The Cleaning Blade is used to scrape any residual toner off the surface of the Image Transfer Belt Image Transfer Belt Positioning Sensor PC5 Cam Belt Cleaner Separation Solenoid SL4 C...

Page 60: ...e cam on the printer side is made into direct contact with the Cleaning Blade housing so that the Cleaning Blade is retracted The Image Transfer Belt Cleaning Blade is detected at its retracted positi...

Page 61: ...onveying Coil 8 5 Waste Toner Bottle Detection 1 Waste Toner Bottle Detection The Waste Toner Bottle Set Switch S5 detects whether or not the Waste Toner Bottle is installed in the printer 2 Waste Ton...

Page 62: ...is a heat roller method in which the Fusing Roller heated by a heater lamp is pressed against the Fusing Pressure Roller and by feeding the paper between these two rollers toner is fused onto the pap...

Page 63: ...oller are pressed against each other at all times They are released for maintenance service or replacement of parts hen a paper misfeed occurs in the Fusing Unit the Fusing Misfeed Clearing Levers are...

Page 64: ...he Thermistor and turns ON or OFF the Heater Lamp as necessary to control the temperature of the Fusing Roller To energize the Fusing Roller Heater Lamp H1 the CPU turns ON LOW the Heater Remote outpu...

Page 65: ...re Control in Standby State The temperature in the standby state is set at 171 3 Temperature Control during Printing monochrome printing The temperature during printing is set as follows Small size pa...

Page 66: ...r Take Up Roll and fed into the printer 2 Paper Empty Detection There is the Manual Feed Paper Empty Sensor PC1 provided on the underside of the Manual Feed Tray It detects a paper empty condition of...

Page 67: ...h the 2nd Drawer Control Board PWB A of the Second Cassette 2 Paper Empty Detection A paper empty condition is detected by the 2nd Drawer Paper Empty Sensor PC16 When there is paper the actuator is ra...

Page 68: ...ward so that the paper is fed into the Duplex Unit Drive for the Exit Roller is disconnected from the printer when the Duplex Unit is mounted on the printer and instead it is provided by the Duplex Un...

Page 69: ...the image on page 2 of the original is printed 2 4657M522AA 2 The paper is temporarily fed toward the exit section and immediately before the paper leaves the Exit Roller the direction of rotation of...

Page 70: ...0 Steps from 2 to 6 are hereafter repeated 1 2 4657M524AA 5 The image on page 1 of the original is printed on the paper that is taken up from the Duplex Unit 6 The first paper is fed out of the printe...

Page 71: ...ler is switched 3 The first sheet of paper is transported into the Duplex Unit 4 At the same time the second sheet of paper is taken up and fed in 4 2 4657M517AA 5 The first sheet of paper in the Dupl...

Page 72: ...nto the Duplex Unit 1 2 4 3 4657M526AA 11 At the same time that the first sheet of paper is fed out of the printer the image on page 3 is printed on the second sheet of paper 1 2 3 3 4 4657M527AA 12 A...

Page 73: ...oller the direction of rotation of the Exit Roller is switched 3 The first of paper is fed in the duplex unit 4 At the same time that the second sheet of paper is taken up and page4 is printed 4657M52...

Page 74: ...532AA 13 The image on page3 is printed on the second sheet of paper 14 The third sheet of paper is immediately before the paper leaves the Exit Roller the direction of rotation of the Exit Roller is s...

Page 75: ...75 DISASSEMBLY ASSEMBLY 19971...

Page 76: ......

Page 77: ...bly or adjustment of the parts listed below must not performed Print head unit disassembly or adjustment Parts with mounting screws that are painted red 12 3 Precautions for transporting or storing PW...

Page 78: ...erature should be between 20 C to 40 C 12 7 Precautions for handling the PC drum drum cartridge Since the PC drum is extremely sensitive to light fatigue and takes a long time to recover its sensitivi...

Page 79: ...ges Approx 1 500 pages Approx 4 500 pages Approx 1 500 pages D 7 Toner cartridge enclosed None Approx 1 500 pages Approx 1 500 pages D 7 Second image transfer roller None Approx 120 000 pages D 8 Imag...

Page 80: ...e trans fer roller Ventilation fan motor AIDC sensor Fusing cooling fan motor Waste toner bottle Drum cartridge Toner cartridge Image transfer belt unit Front cover 3 2 4 3 4 4 4 5 4 7 4 6 4 8 4 11 4...

Page 81: ...81 Second Paper Cassette Second Paper Take up roller Master Board PWB A 4 27 4 28 Duplex unit Master Board PWB A Transport sensor Turnover motor Transport motor 4 29 4 30 4 31 4 32...

Page 82: ...colors Image transfer belt unit 4131o023AA 1 Open the front door 2 Remove the waste toner bottle 4131o027AA 3 Remove the drum cartridge 4131D061AA 4131D062AA 4 Remove the image transfer belt unit 2 sc...

Page 83: ...ne 2 Select Replacing Toner 3 Select the toner color of the cartridge to be removed and then press the Select key to move the cartridge to the removal position 1 2 3 4 4131D003AA 4131D063AA 4131D064AA...

Page 84: ...er 2 screws 4131D055AB 2 Unplug connector CN6 from the controller control board Unplug the video interface PJ45 from the controller 3 Remove the controller control board PWB P 7 screws 4131D004AA 1 Op...

Page 85: ...op cover 15 4 Removing the front door 4131D006AA 1 Open the front door and the right side door 2 Remove the top front cover loosen 3 screws 4131D007AB 3 Remove the top cover 5 screws 4131D008AA 1 Remo...

Page 86: ...rear cover 8 screws Note If the top cover has been removed 6 screws will be removed in step 2 4131D009AA 1 Remove the rear cover 8 screws 2 Remove the wiring from the cable holders 3 Unplug all 27 con...

Page 87: ...en remove the wiring from the cable holders 4 Remove the ventilation fan motor 2 screws 4131D011AA 1 Open the right side door 2 Remove the top front cover and the top cover 3 Remove the left side cove...

Page 88: ...While keeping away from the seal remove the AIDC sensor 2 screws and 1 connector 4131D016AA 1 Open the right side door 2 Remove the top front cover top cover rear cover left side cover controller pro...

Page 89: ...id SL4 4131D068AA 1 Open the right side door 2 Remove the top front cover top cover rear cover left side cover controller protective cover control ler box and the high voltage unit 3 Remove the belt c...

Page 90: ...ve the rack drive assy 5 screws 4131D070AA 4 Disconnect the electrical connections to the rack clutch belt cleaner positioning sensor and the rack home position sensor 5 Remove the rack clutch shaft t...

Page 91: ...ve the rear cover master board PWB A and the controller box 2 Remove the wiring from the cable holders and then remove the assembly cover 2 screws 4131D019AA 3 Remove the fusing paper loop solenoid SL...

Page 92: ...the switch box 3 screws 4131D022AB 3 Remove the manual feed tray 1 E clip 4131D023AA 1 Remove the top front cover top cover front door left side cover switch box and and the manual feed tray 2 Use a...

Page 93: ...controller protective cover rear cover and the front cover 2 Remove the right rear cover 2 screws 4131D027AA 3 Unplug the connectors PJ16 PJ17 and PJ29 from the master board PWB A and then remove the...

Page 94: ...top front cover top cover and then open the right side door 2 Remove the fusing unit cover 2 screws 4131D033AA 3 Unplug the connectors from the power unit and then remove the wiring from the cable ho...

Page 95: ...eater lamps H1 and Fusing Pressure roller heater lamp H2 6 screws Notes for installation Be sure to install the screws securing the leads in the correct locations 4131D052AA 3 Remove the release lever...

Page 96: ...the fusing pressure roller install them with the specified misalignment Standard 3 mm or less 4131D054AA 5 Remove the fusing roller and the fusing pressure roller 1 screw 1 E clip and 1 C clip 3mm or...

Page 97: ...e the wiring from the cable holders 3 Remove the right side door 4 Remove the right side door cover 2 screws 5 Remove the right front cover 1 screw 4131D030AA 6 Remove the paper output unit 6 screws 4...

Page 98: ...98 15 24 Replacing the paper separating roller 4131D058AA 4131D035AB 1 Remove the right side door 2 Remove the paper separating roller assembly...

Page 99: ...t side door 2 Unplug the connectors PJ23 and PJ24 from the master board PWB A and then remove the wir ing from the cable holders 3 Remove the drum unit s slide cover 2 screws 4131D038AA 4 Remove the l...

Page 100: ...nt cover top cover rear cover left side cover controller protective cover control ler box high voltage unit and the master board 2 Remove the Lower base plate 11 screws 4131D066AA 3 Remove the manual...

Page 101: ...s shown in fig 1 a Raise the lever for the paper take up roller b Slide the paper take up roller to the right c Remove the paper take up roller 3 Install the new paper take up roller by reversing the...

Page 102: ...nter 2 Remove the protective cover for the control board 2 screws 4131D046AA 3 Remove the relay control board for the duplex unit 1 screw and 3 connectors 4131D047AA 1 Separate the duplex unit from th...

Page 103: ...inter 2 Remove the protective cover for the control board 3 Unplug connector PJ1 from the relay control board PWB A for the duplex unit 4 Remove the cover for the duplex unit 1 screws and then remove...

Page 104: ...lacing the master board be sure to move the EEPROM from the old master board to the new one 1 Remove the rear cover and the master board 2 Replace the EEPROM 4131D056AA Note Be sure to install the EEP...

Page 105: ...lean the paper take up roller at the bottom of the printer by wiping it with a soft dry cloth 4131D047AA 1 Remove the Second paper cassette 2 Clean the paper take up roller of the Second paper cassett...

Page 106: ...106...

Page 107: ...107 CONTROL PANEL SER VICE MODE DESCRIPTIONS...

Page 108: ......

Page 109: ...to indicate that the printer is ready to print 2 Orange LED indicator Lights up to indicate that an error has occurred 3 Cancel Key Press to cancel the print job The initial screen is displayed 4 Prev...

Page 110: ...y appears when a malfunction that cannot be corrected by the user has occurred Example Malfunction that can be indicated with malfunction code Error display This appears when an error has occurred Exa...

Page 111: ...g PUT XXXX TRAY1 Media type XXXX specified with the printer driver is differ ent from the type of media loaded into Tray1 multipurpose tray PUT XXXX YYYY During printing the specified tray YYYY has ru...

Page 112: ...but Tray2 is not attached to the printer DUPLEX UNIT NOT ATTACHED Duplex printing was specified with the printer driver but the duplex unit is not attached to the printer ERROR MEMORY OVERFLOW The pri...

Page 113: ...STIC PAGE A4 Letter DEMO PAGE MENU MAP ENGINE ENERGY SAVER 15 min 30 min 1 hour 2 hour AUTO CONTINUE On Off CHAINING TRAY On Off REPLACE TONER Black Yellow Magenta Cyan CHANGE TONER SZ ENGINE SERVICE...

Page 114: ...ize When set to Off the printer stops and displays a message indicating that paper of the correct size should be loaded into the specified tray if the speci fied tray does not contain paper of the cor...

Page 115: ...e returned to their defaults The default settings are listed below Energy Saver 30 minutes Auto Continue On Chaining Tray On IP Address Set the IP address of this printer on the network Using the Up D...

Page 116: ...ngs to their defaults Language Energy Saver Auto Continue Chaining Tray IP Address Subnet Mask Gateway DHCP BOOTP All toner max life 1500 All remaining 100 All counters CPU counters for service PSL ad...

Page 117: ...117 TROUBLESHOOT ING...

Page 118: ......

Page 119: ...condition of the electrical components 1 Sensor 2 Switch Step Check Result Remedy 1 Does the input signal of the master board change H L L H when the sensor light is interrupted NO Replace the sensor...

Page 120: ...from H to L when the solenoid is turned on NO Replace the master board YES Replace the sole noid Step Check Result Remedy 1 Does the output signal of the master board change from H to L when the clut...

Page 121: ...d Step Check Result Remedy 1 Does the input signal of the master board change from H to L when the motor is turned on The input signal differs depend ing on the rotation direction YES Replace the moto...

Page 122: ...being used Change the paper Is the paper curled wrinkled or humid Change the paper Instruct the user on how to store paper Are there foreign objects in the transport path or is it dirty or deformed C...

Page 123: ...er Fusing section T 8 Media Jam Exit Paper feed out section of main unit T 8 Media Jam Tray2 Feed in section of expansion paper cassette unit T 9 Media Jam Duplex Lower Feed in section of duplex unit...

Page 124: ...m of misfeed detecting sensors If the duplex unit and 2nd paper cassette are installed Exit sensor PC10 Duplex unit transport sensor PC17 Fusing paper loop detecting sensor PC11 Synchronizing roller s...

Page 125: ...r take up sensor SL1 is activated Paper size error detected in the manual feed tray If PC2 does not pass through when a set amount of time has passed after the paper interrupts the synchronizing rolle...

Page 126: ...per misfeed Synchronizing roller sensor PC2 Fusing paper loop detecting sensor PC11 Master board PWB A Step Remedy Reference page WARNING DIAGRAM Control signal Location electrical com ponent 1 Perfor...

Page 127: ...nchronizing roller sensor PC2 2nd drawer control board PWB A Step Remedy Reference page WARNING DIAGRAM Control signal Location electrical com ponent 1 Perform initial check proce dures T 4 2 Check PC...

Page 128: ...128 3 Replace PWB A...

Page 129: ...e T 12 FATAL ERROR CODE 14H If there is no pressure by or separation from the Second image transfer roller T 13 FATAL ERROR CODE 15H If there is no pressure by or separation from the transfer belt cle...

Page 130: ...l Location electrical com ponent 1 Replace PWB A Components for display of the warning Main motor M1 Master board PWB A Power unit PU Controller control board PWB P Step Remedy Reference page WARNING...

Page 131: ...ion T 3 M4_REM 3 D 2 Replace PU 3 Replace PWB A 4 Replace PWB P Components for display of the warning Fusing cooling fan motor M5 Master board PWB A Power unit PU Controller control board PWB P Step R...

Page 132: ...tion T 1 PC7_ON 5 C 2 Replace the Second image transfer roller pressure separa tion mechanisms 3 Check SL2 operation T 2 SL2_REM 5 E 4 Replace PWB A 5 Replace PWB P Electrical components for detection...

Page 133: ...4 operation T 1 PC4_ON 3 F 2 Check M2 operation T 2 CL1_REM 2 F 3 Check CL1 operation T 3 3 E 4 Replace PWB A 5 Replace PWB P Electrical components for detection of the malfunction Fusing roller heate...

Page 134: ...d PWB A Controller control board PWB P Step Check Result Remedy WARNING DIAGRAM Control signal Location electrical component 1 Is there a short circuit at TH1 between CN18 1 and 2 on the thermistor YE...

Page 135: ...of the malfunction Power unit PU Power switch S1 Master board PWB A Step Remedy Reference page WARNING DIAGRAM Control signal Location electrical com ponent 1 Check if the power supply cord is connec...

Page 136: ...unit Replace the master board PWB A Replace the controller control board Poor developing bias Replace the master board PWB A Replace the controller control board Black print 0951o213 Improper laser e...

Page 137: ...cartridge Faulty PC drum end of service life Replace the drum cartridge Poor developing bias Replace the master board PWB A Replace the controller control board Poor image transfer Replace the Second...

Page 138: ...idge Defective print head Replace the print head unit Replace the master board PWB A Replace the controller control board Offset image 0951o219 Defective fusing roller Replace the fusing roller Faulty...

Page 139: ...139 INDEX...

Page 140: ......

Page 141: ...fusing unit 94 high voltage unit 88 left side cover 87 main motor assembly M1 91 Manual feed take up solenoid SL1 100 Manual feed tray 92 paper empty sensor 92 paper take up roller 97 paper separatin...

Page 142: ...correct fusing roller high temperature 134 Incorrect fusing roller low temperature 133 Incorrect pressure 132 Incorrect transfer belt rotation 132 Installation environment 28 power supply 28 Space req...

Page 143: ...ction Grounded Connections 11 Handling of PWBs 15 Handling of the Imaging Cartridge 17 Handling of the PC Drum 16 High temperature Part 10 High voltage Parts 10 Laser Beam 12 Power Cord 10 Service Job...

Page 144: ...er curled wrinkled or humid 122 Sensor 119 Solenoid 120 Switch 119 W Warm up time 25 Warnings 129 Waste Toner Bottle 61 Waste Toner Bottle Detection 61 Waste Toner Full Detection 61 Weight 25 White sp...

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