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Horizontal sliding contact connector

This connector uses a slide locking actuator to lock the ribbon cable into the ZIF connector.

Warning—Potential Damage:

When opening or closing this type of actuator, gently push or pull the two tabs

located on each end of the actuator. Do not close the actuator from the center of the actuator. Do not use a
screwdriver to open or close the actuator to avoid damage to the cable or connector.

Removing the cable

1

Slide the tabs away from the connector.

2

Remove the cable.

3400-48x

Parts removal

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Summary of Contents for MB2236

Page 1: ...MB2236 MFP 3400 Service Manual Start diagnostics Maintenance Safety and notices Trademarks Index April 01 2019 www lexmark com ...

Page 2: ...rence to a product program or service is not intended to state or imply that only that product program or service may be used Any functionally equivalent product program or service that does not infringe any existing intellectual property right may be used instead Evaluation and veriﬁcation of operation in conjunction with other products programs or services except those expressly designated by th...

Page 3: ... 22 Diagnostics and troubleshooting 23 Troubleshooting precautions 23 Troubleshooting overview 24 Performing the initial troubleshooting check 24 Fixing print quality issues 25 Initial print quality check 25 Gray or solid background check 25 Solid color or black image check 29 Blank or white pages check 32 Dark print check 36 Light print check 40 Paper curl check 44 Folded or wrinkled paper check ...

Page 4: ...es 130 71 user attendance messages 132 84 user attendance messages 134 88 user attendance messages 137 Non supply user attendance errors 137 Printer hardware errors 142 111 error messages 142 121 errors 143 126 errors 147 140 errors 149 6yy errors 150 Procedure before starting the 9yy service checks 156 9yy errors 157 ADF Scanner hardware errors 168 84y error messages 168 Sensor scan service check...

Page 5: ...utput bin quick feed 192 Printer Setup 192 Printer diagnostics adjustments 194 Scanner Diagnostics 195 Conﬁg menu 197 Entering the Conﬁg menu 197 Conﬁg Menu 197 Service Engineer menu 199 Entering Invalid engine mode 199 Entering the Service Engineer SE menu 200 General SE 200 Network SE 200 Fax SE 201 Scan SE 202 Parts removal 205 Removal precautions 205 Handling ESD sensitive parts 206 Controller...

Page 6: ...emoval 234 Pick solenoid removal 236 Fan assembly removal 237 Front removals 238 Control panel removal 238 Front door removal 241 Transfer roller removal 242 Rear removals 243 Rear door removal 243 Duplex unit removal 243 Bottom rear door removal 244 Redrive removal 244 Fuser removal 245 Fuser exit ﬂag removal 247 Top removals 248 Top cover removal 248 Printhead removal 251 Bottom removals 252 Sen...

Page 7: ... 287 Assembly 6 Scanner 289 Printer speciﬁcations 291 Power consumption 291 Product power consumption 291 Sleep Mode 291 Hibernate Mode 291 Off mode 292 Total energy usage 292 Selecting a location for the printer 292 Noise emission levels 293 Temperature information 293 Theory of operation 295 POR sequence 295 Print cycle operation 295 Print engine layout 295 Print cycle 296 Printer operation 301 ...

Page 8: ...ADF and scanner operation 306 Flatbed scanner drive 306 ADF paper path 307 ADF paper path sensors 308 Index 309 Part number index 313 Part name index 315 3400 48x Table of contents 8 ...

Page 9: ...x Le système laser ainsi que l imprimante ont été conçus de manière à ce que personne ne soit jamais exposé à des radiations laser dépassant le niveau de classe I dans le cadre d un fonctionnement normal de l entretien par l utilisateur ou de la maintenance L imprimante dispose d un ensemble de têtes d impression non réparable contenant un laser doté des caractéristiques suivantes Classe IIIb 3b A...

Page 10: ...p you Warning A warning identiﬁes something that could damage the product hardware or software CAUTION A caution indicates a potentially hazardous situation that could injure you Different types of caution statements include CAUTION POTENTIAL INJURY Indicates a risk of injury CAUTION SHOCK HAZARD Indicates a risk of electrical shock CAUTION HOT SURFACE Indicates a risk of burn if touched CAUTION T...

Page 11: ...dica que existe riesgo de lesiones PRECAUCIÓN PELIGRO DE DESCARGAS ELÉCTRICAS Indica que existe riesgo de descarga eléctrica PRECAUCIÓN SUPERFICIE CALIENTE Indica que existe riesgo de sufrir quemaduras por contacto PRECAUCIÓN RIESGO DE CAÍDA Indica que existe peligro de aplastamiento PRECAUCIÓN PELIGRO DE ATRAPAMIENTO Existe riesgo de atrapamiento entre las piezas en movimiento PRECAUCIÓN ASPAS DE...

Page 12: ...ve power in order to perform the task CAUTION POTENTIAL INJURY The lithium battery in this product is not intended to be replaced There is a danger of explosion if a lithium battery is incorrectly replaced Do not recharge disassemble or incinerate a lithium battery Discard used lithium batteries according to the manufacturer s instructions and local regulations CAUTION POTENTIAL INJURY To avoid th...

Page 13: ...accès ATTENTION RISQUE DE BLESSURE Pour éviter tout risque d incendie ou d électrocution utilisez uniquement le câble d alimentation fourni avec ce produit ou un câble de remplacement autorisé par le fabricant ATTENTION RISQUE DE BLESSURE Ce produit ne doit pas être utilisé avec des rallonges des barres multiprises des rallonges multiprises ou des périphériques UPS La capacité de ces types d acces...

Page 14: ...re la impresora y el cable de alimentación que con ella se suministra El uso de protectores de sobretensión de marcas distintas a Lexmark puede dar lugar a que el rendimiento de la impresora sea bajo a daños materiales o a posibles incendios PRECAUCIÓN POSIBLES DAÑOS PERSONALES El peso de la impresora es superior a 18 kg 40 lb se necesitan dos o más personas con formación para levantarla de forma ...

Page 15: ...nterbrechungsfreie Stromversorgung Die Belastbarkeit solcher Zubehörteile kann durch Laserdrucker schnell überschritten werden was zu Brandgefahr Beschädigung von Eigentum oder einer eingeschränkten Druckerleistung führen kann VORSICHT MÖGLICHE VERLETZUNGSGEFAHR Mit diesem Produkt darf nur ein Lexmark Inline Surge Protector verwendet werden der vorschriftsgemäß zwischen dem Drucker und dem mitgeli...

Page 16: ...3400 48x 16 ...

Page 17: ...e Diagnostics and troubleshooting chapter Removed the Intervention required error messages topics in the Diagnostics and troubleshooting chapter March 1 2019 Added the Intervention required error messages and service checks in the Diagnostics and troubleshooting chapter Updated the Controller board removal topic in the Parts removal chapter 3400 48x Change history 17 ...

Page 18: ...3400 48x 18 ...

Page 19: ...aper less than 105 mm 4 1 in wide The minimum paper dimension supported for two sided printing is 210 x 279 4 mm 8 3 x 11 in The maximum paper length supported by the scanner glass is 297 mm 11 7 in For two sided printing on letter legal or folio size paper make sure that the paper size setting in the duplex unit is set to Letter Paper size 250 sheet tray Manual feeder Two sided printing Scanner g...

Page 20: ...79 4 mm 8 5 x 11 in Legal 215 9 x 355 6 mm 8 5 x 14 in X Folio 215 9 x 330 2 mm 8 5 x 13 in X Universal 98 x 148 mm 3 9 x 5 8 in to 216 x 356 mm 8 5 x 14 in X X Universal 105 x 148 mm 4 1 x 5 8 in to 216 x 356 mm 8 5 x 14 in X 7 3 4 Envelope Monarch 98 4 x 190 5 mm 3 875 x 7 5 in X X X 9 Envelope 98 4 x 225 4 mm 3 875 x 8 9 in X X X 10 Envelope 104 8 x 241 3 mm 4 12 x 9 5 in X X X This paper sourc...

Page 21: ... x 162 mm 3 87 x 6 38 in to 176 x 250 mm 6 93 x 9 84 in X X X This paper source supports paper size only up to 216 x 297 mm 8 5 x 11 7 in Supported paper types Note Labels envelopes and card stock always print at reduced speed Paper type 250 sheet tray Manual feeder Two sided printing Automatic document feeder Plain paper Card stock X X X Labels X X X Bond Envelope X X X Letterhead Preprinted Colo...

Page 22: ... 16 28 lb bond Tools required for service Flat blade screwdrivers various sizes 1 Phillips screwdriver magnetic 2 Phillips screwdriver magnetic 2 Phillips screwdriver magnetic short blade Torx screwdriver T20 head Needle nose pliers Diagonal side cutters Spring hook Feeler gauges Analog or digital multimeter 3 mm ball hex wrench Toner vacuum Flashlight 3400 48x General information 22 ...

Page 23: ...hez le cordon d alimentation de la prise électrique et déconnectez toute connexion à tout périphérique externe avant de brancher ou débrancher des câbles ou circuits et assemblages électroniques ATTENTION SURFACE CHAUDE L intérieur de l imprimante risque d être brûlant pour réduire le risque de brûlure laissez la surface ou le composant refroidir avant d y toucher ATTENTION RISQUE DE PINCEMENT Pou...

Page 24: ...iße Komponenten stets abkühlen lassen bevor Sie ihre Oberﬂäche berühren VORSICHT QUETSCHGEFAHR Um das Risiko einer Quetschung zu vermeiden gehen Sie in Bereichen die mit diesem Etikett gekennzeichnet sind mit Vorsicht vor Quetschungen können im Bereich von beweglichen Komponenten auftreten wie z B Zahnrädern Klappen Fächern und Abdeckungen Troubleshooting overview Performing the initial troublesho...

Page 25: ...ge The original page is used to restore the custom settings if necessary From the control panel navigate to Settings Reports Menu Settings Page and then press OK On the Menu Settings page check if the print resolution is set to 600 dpi and the toner darkness is set to Normal Check the toner cartridges for damage and replace if necessary Make sure that the correct print driver is used to prevent pr...

Page 26: ... Make sure that the developer roller surface is free of damage d Make sure that the toner HVPS contacts are free of corrosion and contamination e Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 5 The problem is solved Step 5 Replace the toner cartridge Does the problem remain Go to step 6 The problem is solved Step 6 a Make sure that the...

Page 27: ...eat the smart chip contact cable Does the problem remain Contact the next level of support The problem is solved Step 10 a Check the imaging unit contact spring for damage and contamination b Make sure that the imaging unit contact spring is in proper contact with the HVPS Is the imaging unit contact spring properly installed and free of damage and contamination Contact the next level of support T...

Page 28: ...tallation and damage d Check the HVPS spring contact for proper connection to the board Is the HVPS properly installed and free of damage Go to step 17 Go to step 16 Step 16 Replace the HVPS See HVPS removal on page 231 Note Make sure to perform the HVPS characterization when replacing the HVPS Does the problem remain Go to step 17 The problem is solved Step 17 a Reseat all the cables connected to...

Page 29: ... and damage b Reseat all the cables on the controller board Is the controller board properly installed and free of damage Contact the next level of support Go to step 21 Step 21 Replace the controller board See Controller board removal on page 228 Does the problem remain Contact the next level of support The problem is solved Solid color or black image check Action Yes No Step 1 a Make sure that t...

Page 30: ...at the smart chip contacts are free of corrosion and contamination c Make sure that the photoconductor roller surface is free of damage d Make sure that the imaging unit HVPS contacts are free of corrosion and contamination e Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 5 The problem is solved Step 5 Replace the imaging unit Does the ...

Page 31: ...roper installation and damage c Check the toner contact spring for corrosion and contamination Are the HVPS toner contact spring and toner smart chip contact properly installed and free of damage and contamination Go to step 11 Go to step 10 Step 10 a Make sure that the HVPS toner contact spring is in proper contact with the toner cartridge b Make sure that the HVPS toner contact spring is in prop...

Page 32: ...toner cartridge is new Is the toner cartridge new Go to step 2 Go to step 3 Step 2 Make sure to remove the packing material on the toner cartridge and imaging unit Does the problem remain Go to step 3 The problem is solved Step 3 a Clear the paper path of debris and contamination b Remove and then insert the imaging unit and toner cartridge Note Shake the toner cartridge and imaging unit before in...

Page 33: ... b Make sure that the imaging unit contact spring is in proper contact with the HVPS Is the imaging unit contact spring properly installed and free of damage and contamination Contact the next level of support The problem is solved Step 7 a Make sure that the transfer roller is properly installed and free of damage and contamination b Make sure that the HVPS contact spring is properly connected to...

Page 34: ...p 11 Replace the toner cartridge Does the problem remain Go to step 12 The problem is solved Step 12 a Check the HVPS toner contact spring for proper installation and damage b Check the toner smart chip contact for proper installation and damage c Check the toner contact spring for corrosion and contamination Are the HVPS toner contact spring and toner smart chip contact properly installed and fre...

Page 35: ...eat the HVPS cables b Check the cables for damage Are the cables free of damage Go to step 18 Go to step 19 Step 18 Replace the damaged cable Does the problem remain Contact the next level of support The problem is solved Step 19 a Check the HVPS characterization b Reseat the HVPS cables c Check the HVPS cables for proper installation and damage d Check the HVPS spring contact for proper connectio...

Page 36: ... b Make sure that the toner cartridge and imaging unit are not empty c Check if the toner cartridge is new Is the toner cartridge new Go to step 2 Go to step 3 Step 2 Make sure to remove the packing material on the toner cartridge and imaging unit Does the problem remain Go to step 3 The problem is solved Step 3 a Clear the paper path of debris and contamination b Remove and then insert the imagin...

Page 37: ...ke sure that the developer roller surface is free of damage d Make sure that the toner HVPS contacts are free of corrosion and contamination e Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 7 The problem is solved Step 7 Replace the toner cartridge Does the problem remain Go to step 8 The problem is solved Step 8 a Make sure that the im...

Page 38: ...eseat the smart chip contact cable Does the problem remain Contact the next level of support The problem is solved Step 12 a Check the imaging unit contact spring for damage and contamination b Make sure that the imaging unit contact spring is in proper contact with the HVPS Is the imaging unit contact spring properly installed and free of damage and contamination Contact the next level of support...

Page 39: ...7 Replace the damaged cable Does the problem remain Contact the next level of support The problem is solved Step 18 a Check the HVPS characterization b Reseat the HVPS cables c Check the HVPS cables for proper installation and damage d Check the HVPS spring contact for proper connection to the board Is the HVPS properly installed and free of damage Contact the next level of support Go to step 19 S...

Page 40: ...aging unit and toner cartridge Note Shake the toner cartridge and imaging unit before inserting them c Perform a POR d Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 4 The problem is solved Step 4 a Make sure that the paper type is supported b Make sure that the paper type and size settings match the paper type and size set on the tray ...

Page 41: ...Go to step 7 The problem is solved Step 7 Replace the toner cartridge Does the problem remain Go to step 8 The problem is solved Step 8 a Make sure that the imaging unit is properly installed and free of damage b Make sure that the smart chip contacts are free of corrosion and contamination c Make sure that the photoconductor roller surface is free of damage d Make sure that the imaging unit HVPS ...

Page 42: ...he imaging unit contact spring for damage and contamination b Make sure that the imaging unit contact spring is in proper contact with the HVPS Is the imaging unit contact spring properly installed and free of damage and contamination Contact the next level of support The problem is solved Step 13 a Make sure that the transfer roller is properly installed and free of damage and contamination b Mak...

Page 43: ...o to step 19 The problem is solved Step 19 a Reseat the HVPS cables b Check the cables for damage Are the cables free of damage Go to step 20 Go to step 21 Step 20 Replace the damaged cable Does the problem remain Contact the next level of support The problem is solved Step 21 a Check the HVPS characterization b Reseat the HVPS cables c Check the HVPS cables for proper installation and damage d Ch...

Page 44: ...e paper type and size set on the tray c Make sure that the paper has no damage or defects d Make sure that the paper tray guides are properly set e Make sure that the paper size setting in the duplex unit is properly set Does the problem remain Go to step 3 The problem is solved Step 3 a Check the fuser cables for proper connection and damage b Check the fuser access door for damage c Check if the...

Page 45: ...for proper connection and damage c Check the fuse for continuity d Check the electronic components on the LVPS for damage e Check the LVPS for proper installation and damage Is the LVPS properly installed and free of damage Contact the next level of support Go to step 7 Step 7 a Make sure that the LVPS is compatible with the fuser and the printer b Make sure that the fuser connector has voltage c ...

Page 46: ...the problem remain Go to step 3 The problem is solved Step 3 a Check the fuser cables for proper connection and damage b Check the fuser access door for damage c Check if the fuser gears are in proper contact with the drive gears d Make sure that the fuser is compatible with the LVPS e Check the fuser for proper installation and damage Is the fuser properly installed and free of damage Go to step ...

Page 47: ...ke sure that the correct power input voltage is used Does the problem remain Go to step 8 The problem is solved Step 8 Replace the LVPS See LVPS removal on page 230 Does the problem remain Contact the next level of support The problem is solved Repeating defects check Action Yes No Step 1 a Make sure that the toner cartridge is supported b Make sure that the toner cartridge and imaging unit are no...

Page 48: ... the imaging unit is properly installed and free of damage b Make sure that the smart chip contacts are free of corrosion and contamination c Make sure that the photoconductor roller surface is free of damage d Make sure that the imaging unit HVPS contacts are free of corrosion and contamination e Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go ...

Page 49: ...defects Is the distance equal to 44 mm Go to step 13 Go to step 14 Step 13 Replace the transfer roller See Transfer roller removal on page 242 Does the problem remain Go to step 14 The problem is solved Step 14 a Make sure that the transfer roller is properly installed and free of damage and contamination b Make sure that the HVPS contact spring is properly connected to the transfer roller c Make ...

Page 50: ...atible with the LVPS e Check the fuser for proper installation and damage Is the fuser properly installed and free of damage Go to step 22 Go to step 20 Step 20 a Enter the Diagnostics menu and then navigate to Printer diagnostics adjustments Motor tests b Select Motor transport c Open the rear door and then check if the fuser exit rollers turn d Open the fuser access door and then check if the ho...

Page 51: ...insert the imaging unit and toner cartridge Note Shake the toner cartridge and imaging unit before inserting them c Perform a POR d Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 2 The problem is solved Step 2 a Make sure that the paper type is supported b Make sure that the paper type and size settings match the paper type and size set...

Page 52: ...em remain Go to step 6 The problem is solved Step 6 a Check the pick rollers for proper installation and damage b Check the shaft of the pick rollers for damage Are the pick rollers properly installed and free of damage Go to step 8 Go to step 7 Step 7 Replace the pick rollers See Pick rollers removal on page 256 Does the problem remain Go to step 8 The problem is solved Step 8 Make sure that the ...

Page 53: ...pported b Make sure that the toner cartridge and imaging unit are not empty c Check if the toner cartridge is new Is the toner cartridge new Go to step 2 Go to step 3 Step 2 Make sure to remove the packing material on the toner cartridge and imaging unit Does the problem remain Go to step 3 The problem is solved Step 3 a Clear the paper path of debris and contamination b Remove and then insert the...

Page 54: ...Make sure that the photoconductor roller surface is free of damage d Make sure that the imaging unit HVPS contacts are free of corrosion and contamination e Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 8 The problem is solved Step 8 Replace the imaging unit Does the problem remain Go to step 9 The problem is solved Step 9 a Make sure ...

Page 55: ... Reseat the smart chip contact cable Does the problem remain Contact the next level of support The problem is solved Step 13 a Check the imaging unit contact spring for damage and contamination b Make sure that the imaging unit contact spring is in proper contact with the HVPS Is the imaging unit contact spring properly installed and free of damage and contamination Contact the next level of suppo...

Page 56: ...8 Replace the damaged cable Does the problem remain Contact the next level of support The problem is solved Step 19 a Check the HVPS characterization b Reseat the HVPS cables c Check the HVPS cables for proper installation and damage d Check the HVPS spring contact for proper connection to the board Is the HVPS properly installed and free of damage Contact the next level of support Go to step 20 S...

Page 57: ...dge Note Shake the toner cartridge and imaging unit before inserting them c Perform a POR d Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 4 The problem is solved Step 4 a Make sure that the imaging unit is properly installed and free of damage b Make sure that the smart chip contacts are free of corrosion and contamination c Make sure ...

Page 58: ... cartridge Does the problem remain Go to step 8 The problem is solved Step 8 a Check the HVPS toner contact spring for proper installation and damage b Check the toner smart chip contact for proper installation and damage c Check the toner contact spring for corrosion and contamination Are the HVPS toner contact spring and toner smart chip contact properly installed and free of damage and contamin...

Page 59: ...to step 12 The problem is solved Step 12 a Reseat the transfer roller b Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 13 The problem is solved Step 13 Replace the transfer roller See Transfer roller removal on page 242 Does the problem remain Go to step 14 The problem is solved Step 14 a Clean the printhead lens b Reseat the two printh...

Page 60: ...tion to the board Is the HVPS properly installed and free of damage Contact the next level of support Go to step 20 Step 20 Replace the HVPS See HVPS removal on page 231 Note Make sure to perform the HVPS characterization when replacing the HVPS Does the problem remain Contact the next level of support The problem is solved Vertical white lines check Action Yes No Step 1 a Make sure that the toner...

Page 61: ...e problem is solved Step 5 a Make sure that the printhead cables are properly connected b Check the printhead for proper installation and damage Is the printhead properly installed and free of damage Go to step 7 Go to step 6 Step 6 Replace the printhead See Printhead removal on page 251 Does the problem remain Go to step 7 The problem is solved Step 7 a Make sure that the imaging unit is properly...

Page 62: ...cartridge Does the problem remain Go to step 11 The problem is solved Step 11 a Check the HVPS toner contact spring for proper installation and damage b Check the toner smart chip contact for proper installation and damage c Check the toner contact spring for corrosion and contamination Are the HVPS toner contact spring and toner smart chip contact properly installed and free of damage and contami...

Page 63: ...pring is properly installed d Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 15 The problem is solved Step 15 a Reseat the transfer roller b Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 16 The problem is solved Step 16 Replace the transfer roller See Transfer roller removal...

Page 64: ...e HVPS characterization when replacing the HVPS Does the problem remain Contact the next level of support The problem is solved Vertical colored lines or banding check Action Yes No Step 1 a Make sure that the toner cartridge is supported b Make sure that the toner cartridge and imaging unit are not empty c Check if the toner cartridge is new Is the toner cartridge new Go to step 2 Go to step 3 St...

Page 65: ...r installation and damage Is the printhead properly installed and free of damage Go to step 7 Go to step 6 Step 6 Replace the printhead See Printhead removal on page 251 Does the problem remain Go to step 7 The problem is solved Step 7 a Make sure that the imaging unit is properly installed and free of damage b Make sure that the smart chip contacts are free of corrosion and contamination c Make s...

Page 66: ...installation and damage c Check the toner contact spring for corrosion and contamination Are the HVPS toner contact spring and toner smart chip contact properly installed and free of damage and contamination Go to step 13 Go to step 12 Step 12 a Make sure that the HVPS toner contact spring is in proper contact with the toner cartridge b Make sure that the HVPS toner contact spring is in proper con...

Page 67: ...n Go to step 16 The problem is solved Step 16 Replace the transfer roller See Transfer roller removal on page 242 Does the problem remain Go to step 17 The problem is solved Step 17 a Reseat the HVPS cables b Check the cables for damage Are the cables free of damage Go to step 18 Go to step 19 Step 18 Replace the damaged cable Does the problem remain Contact the next level of support The problem i...

Page 68: ...ck if the toner cartridge is new Is the toner cartridge new Go to step 2 Go to step 3 Step 2 Make sure to remove the packing material on the toner cartridge and imaging unit Does the problem remain Go to step 3 The problem is solved Step 3 a Clear the paper path of debris and contamination b Remove and then insert the imaging unit and toner cartridge Note Shake the toner cartridge and imaging unit...

Page 69: ...Make sure that the photoconductor roller surface is free of damage d Make sure that the imaging unit HVPS contacts are free of corrosion and contamination e Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 8 The problem is solved Step 8 Replace the imaging unit Does the problem remain Go to step 9 The problem is solved Step 9 a Make sure ...

Page 70: ... Reseat the smart chip contact cable Does the problem remain Contact the next level of support The problem is solved Step 13 a Check the imaging unit contact spring for damage and contamination b Make sure that the imaging unit contact spring is in proper contact with the HVPS Is the imaging unit contact spring properly installed and free of damage and contamination Contact the next level of suppo...

Page 71: ...8 Replace the damaged cable Does the problem remain Contact the next level of support The problem is solved Step 19 a Check the HVPS characterization b Reseat the HVPS cables c Check the HVPS cables for proper installation and damage d Check the HVPS spring contact for proper connection to the board Is the HVPS properly installed and free of damage Contact the next level of support Go to step 20 S...

Page 72: ...rtridge Note Shake the toner cartridge and imaging unit before inserting them c Perform a POR d Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 4 The problem is solved Step 4 a Make sure that the imaging unit is properly installed and free of damage b Make sure that the smart chip contacts are free of corrosion and contamination c Make s...

Page 73: ... cartridge Does the problem remain Go to step 8 The problem is solved Step 8 a Check the HVPS toner contact spring for proper installation and damage b Check the toner smart chip contact for proper installation and damage c Check the toner contact spring for corrosion and contamination Are the HVPS toner contact spring and toner smart chip contact properly installed and free of damage and contamin...

Page 74: ...to step 12 The problem is solved Step 12 a Reseat the transfer roller b Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 13 The problem is solved Step 13 Replace the transfer roller See Transfer roller removal on page 242 Does the problem remain Go to step 14 The problem is solved Step 14 a Clean the printhead lens b Reseat the two printh...

Page 75: ...on to the board Is the HVPS properly installed and free of damage Contact the next level of support Go to step 20 Step 20 Replace the HVPS See HVPS removal on page 231 Note Make sure to perform the HVPS characterization when replacing the HVPS Does the problem remain Contact the next level of support The problem is solved Clipped pages or images check Action Yes No Step 1 a Make sure that the tone...

Page 76: ...ake sure that the photoconductor roller surface is free of damage d Make sure that the imaging unit HVPS contacts are free of corrosion and contamination e Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 5 The problem is solved Step 5 Replace the imaging unit Does the problem remain Go to step 6 The problem is solved Step 6 a Make sure t...

Page 77: ...eseat the smart chip contact cable Does the problem remain Contact the next level of support The problem is solved Step 10 a Check the imaging unit contact spring for damage and contamination b Make sure that the imaging unit contact spring is in proper contact with the HVPS Is the imaging unit contact spring properly installed and free of damage and contamination Contact the next level of support...

Page 78: ...head for proper installation and damage Is the printhead properly installed and free of damage Go to step 17 Go to step 16 Step 16 Replace the printhead See Printhead removal on page 251 Does the problem remain Go to step 17 The problem is solved Step 17 a Reseat the HVPS cables b Check the cables for damage Are the cables free of damage Go to step 18 Go to step 19 Step 18 Replace the damaged cabl...

Page 79: ...k the LVPS for proper installation and damage Is the LVPS properly installed and free of damage Contact the next level of support Go to step 22 Step 22 a Make sure that the LVPS is compatible with the fuser and the printer b Make sure that the fuser connector has voltage c Make sure that the correct power input voltage is used Does the problem remain Go to step 23 The problem is solved Step 23 Rep...

Page 80: ...on and contamination e Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 3 The problem is solved Step 3 Replace the imaging unit Does the problem remain Go to step 4 The problem is solved Step 4 a Check the imaging unit drive lever for proper installation and damage b Open the right cover and then check the lever assembly for proper instal...

Page 81: ...nter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 9 The problem is solved Step 9 a Reseat the transfer roller b Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 10 The problem is solved Step 10 Replace the transfer roller See Transfer roller removal on page 242 Does the problem rem...

Page 82: ...ostics menu and then navigate to Input tray quick print Duplex Single Does the problem remain Go to step 16 The problem is solved Step 16 a Make sure that the main drive is properly installed and free of damage b Make sure that the main drive gears are properly installed c Make sure that the drive gears are in proper contact with the gear they are driving Does the problem remain Go to step 17 The ...

Page 83: ...ize setting in the duplex unit is properly set Does the problem remain Go to step 3 The problem is solved Step 3 a Check the tray insert for proper installation and damage b Make sure that the separator roller is free of dust and contamination c Check the lift plate for proper operation d Check the paper guides for proper operation Is the tray insert properly installed and free of damage Go to ste...

Page 84: ...tep 8 Step 8 Replace the printhead See Printhead removal on page 251 Does the problem remain Go to step 9 The problem is solved Step 9 a Check the controller board for proper installation and damage b Reseat all the cables on the controller board Is the controller board properly installed and free of damage Contact the next level of support Go to step 10 Step 10 Replace the controller board See Co...

Page 85: ...problem remain Go to step 4 The problem is solved Step 4 a Make sure that the paper type and size settings match the paper type and size set on the tray b Check the fuser cables for proper connection and damage c Check the fuser access door for damage d Check if the fuser gears are in proper contact with the drive gears e Make sure that the fuser is compatible with the LVPS f Check the fuser for p...

Page 86: ... a Make sure that the LVPS is compatible with the fuser and the printer b Make sure that the fuser connector has voltage c Make sure that the correct power input voltage is used Does the problem remain Go to step 9 The problem is solved Step 9 Replace the LVPS See LVPS removal on page 230 Does the problem remain Contact the next level of support The problem is solved Toner specks appear on prints ...

Page 87: ...ake sure that the photoconductor roller surface is free of damage d Make sure that the imaging unit HVPS contacts are free of corrosion and contamination e Enter the Diagnostics menu and then select Advanced Print Quality Samples Does the problem remain Go to step 5 The problem is solved Step 5 Replace the imaging unit Does the problem remain Go to step 6 The problem is solved Step 6 a Make sure t...

Page 88: ...eseat the smart chip contact cable Does the problem remain Contact the next level of support The problem is solved Step 10 a Check the imaging unit contact spring for damage and contamination b Make sure that the imaging unit contact spring is in proper contact with the HVPS Is the imaging unit contact spring properly installed and free of damage and contamination Contact the next level of support...

Page 89: ...th ends c Perform a print test Does the problem remain Go to step 15 The problem is solved Step 15 a Make sure that the printhead cables are properly connected b Check the printhead for proper installation and damage Is the printhead properly installed and free of damage Contact the next level of support Go to step 16 Step 16 Replace the printhead See Printhead removal on page 251 Does the problem...

Page 90: ...ainst the paper or envelopes Push the tray ﬁrmly into the printer after loading paper Use recommended paper Use only recommended paper or specialty media Do not load paper that is wrinkled creased damp bent or curled Flex fan and align the paper edges before loading Do not use paper that has been cut or trimmed by hand Do not mix paper sizes weights or types in the same tray Make sure that the pap...

Page 91: ...00 14 Paper fed from tray 1 cleared the sensor input sensor S3 earlier than expected 200 15 Paper fed from tray 1 never cleared the sensor input sensor S3 200 91 Paper remains on the sensor input sensor S3 during the warm up sequence See Sensor input sensor S3 static jam service check on page 91 Sensor input sensor S3 static jam service check Action Yes No Step 1 a Make sure that the tray insert i...

Page 92: ...aging sensor S2 Does the sensor status change while toggling the sensor Go to step 7 Go to step 5 Step 5 a Check the sensor for proper installation and damage b Check the alignment with the sensor ﬂag c Check the sensor cable for proper connection and damage Is the sensor properly installed and free of damage Go to step 7 Go to step 6 Step 6 Replace the sensor Does the problem remain Go to step 7 ...

Page 93: ...re the cables properly connected and free of damage Go to step 12 Go to step 11 Step 11 Replace the damaged cable Does the problem remain Go to step 12 The problem is solved Step 12 a Reseat all the cables on the controller board b Check if the controller board LED lights up c Check the controller board for proper installation and damage Is the controller board properly installed and free of damag...

Page 94: ...s of dirt and contamination Does the problem remain Go to step 3 The problem is solved Step 3 a Perform a POR b Enter the Diagnostics menu and then navigate to Input tray quick print Tray 1 Single Does the problem remain Go to step 4 The problem is solved Step 4 a Reseat the sensor cable b Enter the Diagnostics menu and then navigate to Printer diagnostics adjustments Sensor tests c Find the senso...

Page 95: ... Go to step 10 Go to step 9 Step 9 Replace the damaged sensor ﬂag Does the problem remain Go to step 10 The problem is solved Step 10 a Enter the Diagnostics menu and then navigate to Input tray quick print Tray 1 Single b Check if the clip in the middle of the solenoid turns when the paper is transported Did the clip turn Go to step 12 Go to step 11 Step 11 Reseat the deskew solenoid cable at bot...

Page 96: ...erly installed c Make sure that the drive gears are in proper contact with the gear they are driving Does the problem remain Go to step 17 The problem is solved Step 17 Replace the main drive See Main drive removal on page 234 Does the problem remain Go to step 18 The problem is solved Step 18 a Reseat all the cables on the controller board b Check if the controller board LED lights up c Check the...

Page 97: ...sor S4 which triggered a ﬂush action See Sensor fuser exit sensor S4 service check on page 97 Sensor fuser exit sensor S4 service check Action Yes No Step 1 a Make sure that the tray insert is properly inserted b Make sure that the paper type and size settings match the paper type and size set on the tray c Make sure that the duplex unit is properly inserted d Make sure that the paper size setting...

Page 98: ...Step 7 a Enter the Diagnostics menu and then navigate to Printer diagnostics adjustment Sensor tests b Find the following sensors Sensor media present in tray1 S1 Sensor input sensor S3 Sensor fuser exit sensor S4 Does the sensor status change while toggling the sensor Go to step 10 Go to step 8 Step 8 a Check the sensor ﬂags for proper installation and damage b Check the sensor ﬂags for proper al...

Page 99: ...h the drive gears d Make sure that the fuser is compatible with the LVPS e Check the fuser for proper installation and damage Is the fuser properly installed and free of damage Go to step 15 Go to step 14 Step 14 Replace the fuser See Fuser removal on page 245 Does the problem remain Go to step 15 The problem is solved Step 15 Check the cables for proper connection and damage Are the cables proper...

Page 100: ... and free of damage b Make sure that the main drive gears are properly installed c Make sure that the drive gears are in proper contact with the gear they are driving Does the problem remain Go to step 22 The problem is solved Step 22 Replace the main drive See Main drive removal on page 234 Does the problem remain Go to step 23 The problem is solved Step 23 a Reseat all the cables on the controll...

Page 101: ... Does the problem remain Go to step 3 The problem is solved Step 3 a Perform a POR b Enter the Diagnostics menu and then navigate to Input tray quick print Tray 1 Single Does the problem remain Go to step 4 The problem is solved Step 4 a Enter the Diagnostics menu and then navigate to Printer diagnostics adjustments Sensor tests b Find the sensor fuser exit sensor S4 Does the sensor status change ...

Page 102: ...ge Go to step 10 Go to step 9 Step 9 Replace the damaged sensor ﬂag Does the problem remain Go to step 10 The problem is solved Step 10 Check the rear door for proper installation and damage Is the door properly installed and free of damage Go to step 12 Go to step 11 Step 11 Replace the rear door See Rear door removal on page 243 Does the problem remain Go to step 12 The problem is solved Step 12...

Page 103: ...of damage Go to step 17 Go to step 16 Step 16 Replace the damaged cable Does the problem remain Go to step 17 The problem is solved Step 17 a Enter the Diagnostics menu and then navigate to Printer diagnostics adjustment Motor tests b Select Motor transport c Check if the exit roller turns Did the exit roller turn Go to step 20 Go to step 18 Step 18 a Make sure that the redrive gears are in proper...

Page 104: ...rly installed c Make sure that the drive gears are in proper contact with the gear they are driving Does the problem remain Go to step 23 The problem is solved Step 23 Replace the main drive See Main drive removal on page 234 Does the problem remain Go to step 24 The problem is solved Step 24 a Reseat all the cables on the controller board b Check if the controller board LED lights up c Check the ...

Page 105: ...oes the problem remain Go to step 3 The problem is solved Step 3 a Perform a POR b Enter the Diagnostics menu and then navigate to Input tray quick print Tray 1 Single Does the problem remain Go to step 4 The problem is solved Step 4 a Enter the Diagnostics menu and then navigate to Printer diagnostics adjustments Sensor tests b Find the sensor fuser exit sensor S4 Does the sensor status change wh...

Page 106: ...place the damaged sensor ﬂag Does the problem remain Go to step 10 The problem is solved Step 10 Check the cables for proper connection and damage Are the cables properly connected and free of damage Go to step 12 Go to step 11 Step 11 Replace the damaged cable Does the problem remain Go to step 12 The problem is solved Step 12 a Reseat all the cables on the controller board b Check if the control...

Page 107: ...uplex unit matches the printer setting e Make sure that the front and rear doors are fully closed f Make sure that the output bin is free from obstructions Does the problem remain Go to step 2 The problem is solved Step 2 a Remove the imaging unit and toner cartridge and then make sure that the paper path is free of jams and obstructions b Clear all rollers of dirt and contamination Does the probl...

Page 108: ...nsor S4 Does the sensor status change while toggling the sensor Go to step 10 Go to step 8 Step 8 a Check the sensor ﬂags for proper installation and damage b Check the sensor ﬂags for proper alignment with the sensors c Check the sensor ﬂag springs for proper installation and damage Are the sensor ﬂags properly installed and free of damage Go to step 10 Go to step 9 Step 9 Replace the damaged sen...

Page 109: ...gnostics menu and then navigate to Input tray quick print Duplex Single Does the problem remain Go to step 16 The problem is solved Step 16 a Make sure that the main drive is properly installed and free of damage b Make sure that the main drive gears are properly installed c Make sure that the drive gears are in proper contact with the gear they are driving Does the problem remain Go to step 17 Th...

Page 110: ...f Make sure that the output bin is free from obstructions Does the problem remain Go to step 2 The problem is solved Step 2 a Remove the imaging unit and toner cartridge and then make sure that the paper path is free of jams and obstructions b Clear all rollers of dirt and contamination Does the problem remain Go to step 3 The problem is solved Step 3 a Perform a POR b Enter the Diagnostics menu a...

Page 111: ...nsor S4 Does the sensor status change while toggling the sensor Go to step 10 Go to step 8 Step 8 a Check the sensor ﬂags for proper installation and damage b Check the sensor ﬂags for proper alignment with the sensors c Check the sensor ﬂag springs for proper installation and damage Are the sensor ﬂags properly installed and free of damage Go to step 10 Go to step 9 Step 9 Replace the damaged sen...

Page 112: ...ved Step 15 a Reseat the pick solenoid cable b Enter the Diagnostics menu and then navigate to Printer diagnostics adjustments Motor tests c Select Feed solenoid d Check if the pick solenoid actuates Did the pick solenoid actuate Go to step 18 Go to step 16 Step 16 Check the pick solenoid for proper installation and damage Is the pick solenoid properly installed and free of damage Go to step 18 Go...

Page 113: ... step 22 The problem is solved Step 22 a Reseat all the cables on the controller board b Check if the controller board LED lights up c Check the controller board for proper installation and damage Is the controller board properly installed and free of damage Contact the next level of support Go to step 23 Step 23 Replace the controller board See Controller board removal on page 228 Does the proble...

Page 114: ... rollers of dirt and contamination Does the problem remain Go to step 3 The problem is solved Step 3 a Perform a POR b Enter the Diagnostics menu and then navigate to Input tray quick print Tray 1 Single Does the problem remain Go to step 4 The problem is solved Step 4 a Reseat the sensor cable b Enter the Diagnostics menu and then navigate to Printer diagnostics adjustments Sensor tests c Find th...

Page 115: ...ensor ﬂag Does the problem remain Go to step 10 The problem is solved Step 10 a Enter the Diagnostics menu and then navigate to Input tray quick print Tray 1 Single b Check if the clip in the middle of the solenoid turns when the paper is transported Did the clip turn Go to step 12 Go to step 11 Step 11 Reseat the deskew solenoid cable at both ends Does the problem remain Contact the next level of...

Page 116: ...d Step 17 a Enter the Diagnostics menu and then navigate to Printer diagnostics adjustments Motor tests b Select Motor transport drive Did the motor run Go to step 18 Go to step 19 Step 18 a Enter the Diagnostics menu and then navigate to Input tray quick print Tray 1 Single b Enter the Diagnostics menu and then navigate to Input tray quick print Duplex Single Does the problem remain Go to step 19...

Page 117: ...and may deliver unpredictable results if third party supplies or parts are used Imaging component usage beyond the intended life may damage the Lexmark printer or associated components Warning Potential Damage Use of third party supplies or parts can affect warranty coverage Damage caused by the use of third party supplies or parts may not be covered by the warranty If a customer accepts any and a...

Page 118: ...120 11 1 Load tray 1 See Load tray 1 with A4 plain paper service check on page 179 11 8 Load the manual feeder See Manual feeder service check on page 118 12 1 Change the paper in tray 1 See Load tray 1 with A4 plain paper service check on page 179 12 8 Change the paper in the manual feeder See Manual feeder service check on page 118 Manual feeder service check Action Yes No Step 1 Make sure that ...

Page 119: ...ging unit Does the problem remain Go to step 7 The problem is solved Step 7 a From the control panel home screen go to Settings Reports Device Device statistics b Check if the install date reﬂects the date you replaced the cartridge c Check the supply level and capacity of the toner cartridge d Check the supply level and capacity of the imaging unit Is there sufficient supply level and does the in...

Page 120: ...check Action Yes No Step 1 a Turn off the printer b Disconnect the power cord c Wait for 10 seconds and then turn on the printer Does the problem remain Go to step 2 The problem is solved Step 2 a Upgrade the ﬁrmware Note Contact your next level of support for the correct ﬁrmware level to use b Perform a POR c Perform a print test Does the problem remain Go to step 3 The problem is solved Step 3 C...

Page 121: ... service check on page 121 32 40 Unsupported toner cartridge See Unsupported imaging unit or toner cartridge service check on page 125 32 60 Unsupported imaging unit 33 Non license return program NLRP codes See Photoconductor and toner cartridge service check on page 121 Photoconductor and toner cartridge service check Action Yes No Step 1 Make sure that the imaging unit and toner cartridge is a g...

Page 122: ...ging unit Does the problem remain Go to step 7 The problem is solved Step 7 a From the control panel home screen go to Settings Reports Device Device statistics b Check if the install date reﬂects the date you replaced the cartridge c Check the supply level and capacity of the toner cartridge d Check the supply level and capacity of the imaging unit Is there sufficient supply level and does the in...

Page 123: ... toner cartridge c Close the front door Does the problem remain Go to step 2 The problem is solved Step 2 a Shake the toner cartridge b Clean the toner cartridge smart chip contacts and then check the contacts for damage c Clean the toner cartridge spring contacts and then check the contacts for damage d Perform a print test Does the problem remain Go to step 3 The problem is solved Step 3 Replace...

Page 124: ...The problem is solved Step 9 Check the front door link for proper installation and damage Is the front door link properly installed and free of damage Go to step 11 Go to step 10 Step 10 Replace the printer Does the problem remain Go to step 11 The problem is solved Step 11 Check the cables for proper connection and damage Are the cables properly connected and free of damage Go to step 13 Go to st...

Page 125: ...e c Clean the toner cartridge spring contacts and then check the contacts for damage d Perform a print test Does the problem remain Go to step 3 The problem is solved Step 3 Replace the toner cartridge Does the problem remain Go to step 4 The problem is solved Step 4 a Shake the imaging unit b Clean the imaging unit smart chip contacts and then check the contacts for damage c Clean the imaging uni...

Page 126: ...act the next level of support Go to step 10 Step 10 Replace the controller board See Controller board removal on page 228 Does the problem remain Contact the next level of support The problem is solved 34 42 user attendance errors 34 42 user attendance messages Error code Description Action 34 Paper size mismatch too short or too narrow See Load tray 1 with A4 plain paper service check on page 179...

Page 127: ...e problem remain Go to step 3 The problem is solved Step 3 Resend a print job or a scan job Does the problem remain Go to step 4 The problem is solved Step 4 a Perform a print test b Perform a copy job Does the problem remain Go to step 5 The problem is solved Step 5 Reduce the number of pages to be scanned Does the problem remain Go to step 6 The problem is solved Step 6 Check if the error occurs...

Page 128: ...ller board See Controller board removal on page 228 Does the problem remain Contact the next level of support The problem is solved Insufficient memory service check Action Yes No Step 1 Close all held jobs Does the problem remain Go to step 2 The problem is solved Step 2 a Turn off the printer b Disconnect the power cord c Wait for 10 seconds and then turn on the printer Does the problem remain G...

Page 129: ... Controller board removal on page 228 Does the problem remain Contact the next level of support The problem is solved Toner cartridge service check Action Yes No Step 1 Make sure that the imaging unit and toner cartridge is a genuine Lexmark supply Does the problem remain Go to step 2 The problem is solved Step 2 a Shake the toner cartridge b Clean the toner cartridge smart chip contacts and then ...

Page 130: ... 6 Replace only the damaged cable Does the problem remain Go to step 7 The problem is solved Step 7 a Reseat all the cables on the controller board b Check if the controller board LED lights up c Check the controller board for proper installation and damage Is the controller board properly installed and free of damage Contact the next level of support Go to step 8 Step 8 Replace the controller boa...

Page 131: ...ystem Does the problem remain Go to step 4 The problem is solved Step 4 From the control panel go to Settings Device Restore factory defaults Does the problem remain Go to step 5 The problem is solved Step 5 Check the cables for proper connection and damage Are the cables properly connected and free of damage Go to step 7 Go to step 6 Step 6 Replace only the damaged cable Does the problem remain G...

Page 132: ...de Description Action 71 01 Fax station name is not set See Fax station name service check on page 132 71 03 No analog phone line connected See Analog phone line service check on page 133 71 10 The SMTP server is not set See Network service check on page 133 Fax station name service check Action Yes No Step 1 a Turn off the printer b Disconnect the power cord c Wait for 10 seconds and then turn on...

Page 133: ...properly connected and free of damage Contact the next level of support Go to step 4 Step 4 Replace only the damaged cable Does the problem remain Contact the next level of support The problem is solved Network service check Action Yes No Step 1 a Turn off the printer b Disconnect the power cord c Wait for 10 seconds and then turn on the printer Does the problem remain Go to step 2 The problem is ...

Page 134: ...place the imaging unit or photoconductor Zero estimated pages remain Absolute end of life has been reached due to page count 84 41 Replace the imaging kit Zero estimated pages remain Absolute end of life has been reached due to the photoconductor rev counter 84 42 Replace the imaging unit Zero estimated pages remain Absolute end of life has been reached due to waste toner 84 43 Replace the imaging...

Page 135: ...select Advanced print quality samples b Check the test pages for print quality defects Are there print quality defects Go to step 4 The problem is solved Step 4 a Shake the toner cartridge b Clean the toner cartridge smart chip contacts and then check the contacts for damage c Clean the toner cartridge spring contacts and then check the contacts for damage d Perform a print test Does the problem r...

Page 136: ... step 10 Step 10 Replace the damaged cable Does the problem remain Go to step 11 The problem is solved Step 11 a Reseat all the cables on the controller board b Check if the controller board LED lights up c Check the controller board for proper installation and damage Is the controller board properly installed and free of damage Contact the next level of support Go to step 12 Step 12 Replace the c...

Page 137: ...pply user attendance error messages Error code Description Action 34B Short paper See Short paper service check on page 138 35A Deﬁcient memory See Insufficient memory service check on page 141 37A Insufficient collation area 37C Insufficient memory 38A Memory full 39A Complex page See Complex page service check on page 141 Fax card service check Action Yes No Step 1 a Make sure that the fax card ...

Page 138: ...serted b Make sure that the paper type and size settings match the paper type and size set on the tray c Make sure that the duplex unit is properly inserted d Make sure that the paper size setting in the duplex unit matches the printer setting e Make sure that the front and rear doors are fully closed f Make sure that the output bin is free from obstructions Does the problem remain Go to step 2 Th...

Page 139: ...nit to match the width of the paper used in the tray d Enter the Diagnostics menu and then navigate to Input tray quick print Tray 1 Duplex Does the problem remain Go to step 7 The problem is solved Step 7 a Reseat the duplex unit b Check the duplex unit gears for damage c Check the rollers and belts for wear and contamination Is the duplex unit properly installed and free of damage Go to step 9 G...

Page 140: ... a Check the sensor ﬂags for proper installation and damage b Check the sensor ﬂags for proper alignment with the sensors c Check the sensor ﬂag springs for proper installation and damage Are the sensor ﬂags properly installed and free of damage Go to step 15 Go to step 14 Step 14 Replace the damaged sensor ﬂag Does the problem remain Go to step 15 The problem is solved Step 15 a Reseat all the ca...

Page 141: ...y Does the problem remain Contact the next level of support The problem is solved Complex page service check Action Yes No Step 1 a Perform a POR b Send a simple print job with no image Does the problem remain Go to step 2 The problem is solved Step 2 a Enter the Diagnostics menu and then select Advanced print quality samples b Check the test pages for print quality defects Are there print quality...

Page 142: ...detected 111 33 Printhead error lost HSYNC was detected during servo 111 34 Printhead error mirror motor lost lock was detected 111 35 Printhead error mirror motor never got ﬁrst lock was detected 111 36 Printhead error mirror motor lock never stabilized was detected See Printhead error 2 service check on page 154 111 37 Paper reached the sensor input sensor S3 but the mirror motor was not locked ...

Page 143: ...t 60 C lamp 88 C within time out belt 10 seconds lamp 90 seconds 121 11 The fuser took too long to reach the ﬁnal EWC line detection temperature belt 90 C lamp 149 C 121 12 The fuser never reached ﬁnal EWC line detection temperature belt 90 C lamp 149 C 121 13 The fuser heated too fast to the ﬁnal EWC line detection temperature belt 90 C lamp 149 C 121 20 The fuser high power trace heating rate fr...

Page 144: ...ge of outlet the printer is plugged into Does the problem remain Go to step 2 The problem is solved Step 2 a Make sure that the tray insert is properly inserted b Make sure that the paper type and size settings match the paper type and size set on the tray c Make sure that the duplex unit is properly inserted d Make sure that the paper size setting in the duplex unit matches the printer setting e ...

Page 145: ...gears are in proper contact with the drive gears d Make sure that the fuser is compatible with the LVPS e Check the fuser for proper installation and damage Is the fuser properly installed and free of damage Go to step 8 Go to step 7 Step 7 Replace the fuser See Fuser removal on page 245 Does the problem remain Go to step 8 The problem is solved Step 8 a Enter the Diagnostics menu and then navigat...

Page 146: ...with the fuser and the printer b Make sure that there is voltage going out from the fuser connector c Make sure that the correct power input voltage is applied Does the problem remain Go to step 14 The problem is solved Step 14 Replace the LVPS See LVPS removal on page 230 Does the problem remain Go to step 15 The problem is solved Step 15 a Enter the Diagnostics menu and then navigate to Printer ...

Page 147: ... board properly installed and free of damage Contact the next level of support Go to step 20 Step 20 Replace the controller board See Controller board removal on page 228 Does the problem remain Contact the next level of support The problem is solved 126 errors 126 error messages Error code Description Action 126 05 The LVPS dropped while not sleeping See LVPS service check on page 148 126 06 An L...

Page 148: ...e Check the LVPS for proper installation and damage Is the LVPS properly installed and free of damage Go to step 6 Go to step 4 Step 4 a Make sure that the LVPS is compatible with the fuser and the printer b Make sure that there is voltage going out from the fuser connector c Make sure that the correct power input voltage is applied Does the problem remain Go to step 5 The problem is solved Step 5...

Page 149: ... the duplex unit is properly inserted d Make sure that the paper size setting in the duplex unit matches the printer setting e Make sure that the front and rear doors are fully closed f Make sure that the output bin is free from obstructions Does the problem remain Go to step 2 The problem is solved Step 2 a Remove the imaging unit and toner cartridge and then make sure that the paper path is free...

Page 150: ...p 7 Replace the damaged cable Does the problem remain Go to step 8 The problem is solved Step 8 a Reseat all the cables on the controller board b Check if the controller board LED lights up c Check the controller board for proper installation and damage Is the controller board properly installed and free of damage Contact the next level of support Go to step 9 Step 9 Replace the controller board S...

Page 151: ...ionally declared a jam Note This event is typically used to prevent a kiosk user from printing free pages 611 02 An Input ISR error occurred and the printhead was not ready Restart the print job If the error persists then contact the next level of support 611 32 Lost HSYNC errors were detected Laser safety interlock system may be the cause 611 33 Lost HSYNC during servo 611 34 A mirror motor lock ...

Page 152: ...tacts for damage d Perform a print test Does the problem remain Go to step 4 The problem is solved Step 4 Check the smart chip for proper installation and damage Is the smart chip properly installed and free of damage Go to step 6 Go to step 5 Step 5 Replace the imaging unit Does the problem remain Go to step 6 The problem is solved Step 6 a Unplug the power cord from the printer b Wait for 20 sec...

Page 153: ...ection c Check the printhead for proper installation and damage d Perform a print test Does the problem remain Go to step 3 The problem is solved Step 3 Make sure that the printhead lens is clean and free of contamination Does the problem remain Go to step 4 The problem is solved Step 4 Replace the printhead See Printhead removal on page 251 Does the problem remain Go to step 5 The problem is solv...

Page 154: ...e sure that the paper type and size settings match the paper type and size set on the tray d Make sure that the lift plate is properly working Does the problem remain Go to step 2 The problem is solved Step 2 a Reseat the sensor cable b Enter the Diagnostics menu and then navigate to Printer diagnostics adjustments Sensor tests c Find the sensor staging sensor S2 Does the sensor status change whil...

Page 155: ... 7 Step 7 Replace the damaged sensor ﬂag Does the problem remain Go to step 8 The problem is solved Step 8 a Reseat the two printhead cables at both ends b Check the printhead cables for proper connection c Check the printhead for proper installation and damage d Perform a print test Does the problem remain Go to step 9 The problem is solved Step 9 Make sure that the printhead lens is clean and fr...

Page 156: ...r board unless instructed by your next level of support 1 Collect the history information and ﬁrmware logs Fwdebug and logs tar gz from the SE menu 2 Collect the settings from the Menu Settings Page 3 Collect information from the user Note Not all of the items are retrievable from the printer that you are working on A Collecting the history information from the SE menu Note Make sure that your pri...

Page 157: ...e sure that your printer is connected to a network or to a print server 1 Open a web browser type http printer_IP_address and then press Enter 2 Click Settings and then select one of the settings pages from the links shown on the page 3 Copy all the information and then save it as a text ﬁle 4 E mail the text ﬁle to your next level of support Printing the Menu Settings Page 1 From the control pane...

Page 158: ...r code Description Action 938 04 Supplies security is not enabled See Black imaging unit or photoconductor smart chip or sensor problem service check on page 123 3400 48x Diagnostics and troubleshooting 158 ...

Page 159: ...AM chip failure with mirror part 954 NVRAM chip failure with system part 955 The NAND ﬂash failed the cyclic redundancy check or the NAND experienced an uncorrectable multi bit failure Note LOC indicates the source of the failure 956 RIP card failure Processor failure 957 RIP card failure ASIC failure 958 Controller board NAND failure 959 Invalid ﬁrmware Service system board 960 RAM memory error R...

Page 160: ...ipment check is detected 992 General software error System software error service check Different types of 900 xx errors can occur There may be a communication problem bad cable network connection and software issues or a hardware problem with the controller board or ISP internal solutions port Check the communication and software problems ﬁrst Determine if the problem is constant or intermittent ...

Page 161: ...oard for proper connection Are the cables properly connected Go to step 5 Go to step 4 Step 4 a Reconnect the cables b Reset the printer into the Diagnostics menu Does the problem remain Go to step 5 Go to step 6 Step 5 a Replace the controller board See Controller board removal on page 228 b Reset the printer Note If a different error code displays then go to the service check for that error code...

Page 162: ... Go to step 10 Step 9 a Upgrade the ﬁrmware Note Contact your next level of support for the correct ﬁrmware level to use b Reset the printer c Perform a print job Does the problem remain Go to step 31 Go to step 10 Step 10 Verify if the printer is an MFP Is the printer an MFP Go to step 11 Go to step 13 Step 11 Perform a copy job Does the problem remain Go to step 31 Go to step 12 Step 12 Perform ...

Page 163: ...Go to step 18 Go to step 20 Step 18 a Upgrade the ﬁrmware if it was not upgraded in a previous step Note Contact your next level of support for the correct ﬁrmware level to use b Reset the printer c Perform a print job Does the problem remain Go to step 19 The problem is solved Step 19 a Replace the modem b Reset the printer Does the problem remain Go to step 31 The problem is solved Step 20 Perfo...

Page 164: ...inter c Perform a print job Does the problem remain Go to step 25 The problem is solved Step 25 a Replace the faulty optional ISP b Reset the printer Does the problem remain Go to step 31 Go to step 26 Step 26 Verify if there are more optional ISPs to install Are there more optional ISPs to install Go to step 27 The problem is solved Step 27 a Install the next optional ISP b Reset the printer Does...

Page 165: ...age Printed menu settings page Printed network settings page Device error log A sample print ﬁle if the error appears to be isolated to a single ﬁle File Application used if the error is related to speciﬁc print ﬁle Device operating system Driver used PCL PS Frequency of the occurrence of the error Engine error service check Action Yes No Step 1 a Unplug the power cord from the printer b Wait for ...

Page 166: ...oard See Controller board removal on page 228 Does the problem remain Contact the next level of support The problem is solved Network software error service check Action Yes No Step 1 a Unplug the power cord from the printer b Wait for 20 seconds and then turn on the printer Does the problem remain Go to step 2 The problem is solved Step 2 a Check network cable for proper connection and damage b M...

Page 167: ... 7 The problem is solved Step 7 Check the cables for proper connection and damage Are the cables properly connected and free of damage Go to step 9 Go to step 8 Step 8 Replace only the damaged cable Does the problem remain Go to step 9 The problem is solved Step 9 a Reseat all the cables on the controller board b Check if the controller board LED lights up c Check the controller board for proper i...

Page 168: ...ep 1 a Open the ADF door and then remove the jammed paper b Make sure that the paper path is free of obstructions c Raise the ADF assembly and then make sure that the scan area is free of dust and obstructions d Make sure that the scanner paper setting matches the paper loaded Does the problem remain Go to step 2 The problem is solved Step 2 a Clean the ADF pick rollers and separator pad b Enter t...

Page 169: ...m remain Go to step 8 The problem is solved Step 8 a Make sure that the ADF door properly closes b Check the ADF scan sensor ﬂag for proper installation and damage Is the sensor ﬂag properly installed and free of damage Go to step 10 Go to step 9 Step 9 Replace the ADF assembly See ADF scanner and ﬂatbed scanner removal on page 261 Does the problem remain Go to step 10 The problem is solved Step 1...

Page 170: ...e controller board b Check if the controller board LED lights up c Check the controller board for proper installation and damage Is the controller board properly installed and free of damage Contact the next level of support Go to step 16 Step 16 Replace the controller board See Controller board removal on page 228 Does the problem remain Contact the next level of support The problem is solved Sen...

Page 171: ...e ADF door sensor ﬂag for proper installation and damage Is the sensor ﬂag properly installed and free of damage Go to step 7 Go to step 6 Step 6 Replace the ADF pick assembly See ADF pick assembly removal on page 260 Does the problem remain Go to step 7 The problem is solved Step 7 a Clean the ADF pick rollers and separator pad b Enter the Diagnostics menu and then navigate to Scanner diagnostics...

Page 172: ...the ADF assembly properly installed and free of damage Go to step 13 Go to step 12 Step 12 Replace the ADF assembly See ADF scanner and ﬂatbed scanner removal on page 261 Does the problem remain Go to step 13 The problem is solved Step 13 a Reseat all the cables on the controller board b Check if the controller board LED lights up c Check the controller board for proper installation and damage Is ...

Page 173: ...to step 3 Step 3 a Make sure that the paper present sensor actuator is properly installed and free of damage b Make sure that the actuator is properly aligned with the sensor c Reseat all the cables on the controller board Does the problem remain Go to step 4 The problem is solved Step 4 Replace the ADF assembly See ADF scanner and ﬂatbed scanner removal on page 261 Does the problem remain Go to s...

Page 174: ...nu and then navigate to Scanner diagnostics Motor tests b Select Motor ADF transport Does the motor run Go to step 12 Go to step 11 Step 11 a Reseat the ADF cable b Check the ADF cable for proper connection and damage c Check the ADF assembly for proper installation and damage d Check the ADF door sensor for damage Is the ADF assembly properly installed and free of damage Go to step 13 Go to step ...

Page 175: ...blem is solved Step 2 a Reseat all the scanner cables on the controller board b Perform a POR Does the problem remain Go to step 3 The problem is solved Step 3 a Enter the Diagnostics menu and then navigate to Scanner diagnostics Motor tests b Select Motor ADF transport Does the motor run Go to step 5 Go to step 4 Step 4 a Reseat the ADF cable b Check the ADF cable for proper connection and damage...

Page 176: ... Reseat all the cables on the controller board b Check if the controller board LED lights up c Check the controller board for proper installation and damage Is the controller board properly installed and free of damage Contact the next level of support Go to step 10 Step 10 Replace the controller board See Controller board removal on page 228 Does the problem remain Contact the next level of suppo...

Page 177: ... Check the controller board for proper installation and damage Is the controller board properly installed and free of damage Contact the next level of support Go to step 7 Step 7 Replace the controller board See Controller board removal on page 228 Does the problem remain Contact the next level of support The problem is solved Other symptoms Base printer symptoms Symptom Action Front door is close...

Page 178: ...spring contact for proper connection to the board e Check the door switch for damage and proper alignment Is the HVPS properly installed and free of damage Go to step 5 Go to step 4 Step 4 Replace the HVPS See HVPS removal on page 231 Note Make sure to perform the HVPS characterization when replacing the HVPS Does the problem remain Go to step 5 The problem is solved Step 5 a Reseat all the cables...

Page 179: ... while toggling the sensor Go to step 5 Go to step 3 Step 3 a Check the sensor for proper installation and damage b Check the alignment of the sensor with the sensor ﬂag c Check the sensor cable for proper connection and damage Is the sensor properly installed and free of damage Go to step 5 Go to step 4 Step 4 Replace the sensor See Sensor paper present removal on page 252 Does the problem remain...

Page 180: ...led and free of contamination and damage Go to step 10 Go to step 9 Step 9 Replace the tray insert Does the problem remain Go to step 10 The problem is solved Step 10 Check the cables for proper connection and damage Are the cables properly connected and free of damage Go to step 12 Go to step 11 Step 11 Replace the damaged cable Does the problem remain Go to step 12 The problem is solved Step 12 ...

Page 181: ...ath is free of jams and obstructions b Clear all rollers of dirt and contamination Does the problem remain Go to step 3 The problem is solved Step 3 a Perform a POR b Enter the Diagnostics menu and then navigate to Input tray quick print Tray 1 Single Does the problem remain Go to step 4 The problem is solved Step 4 Check the rear door for proper installation and damage Is the door properly instal...

Page 182: ...d with the drive gears c Check the motor for proper installation and damage Is the motor properly installed and free of damage Go to step 11 Contact the next level of support Step 11 a Enter the Diagnostics menu and then navigate to Input tray quick print Tray 1 Single b Enter the Diagnostics menu and then navigate to Input tray quick print Duplex Single Does the problem remain Go to step 12 The p...

Page 183: ... free of contamination and damage Contact the next level of support Go to step 3 Step 3 Replace the tray insert Does the problem remain Contact the next level of support The problem is solved Unable to remove toner cartridge service check Action Yes No Step 1 a Check the front door for proper installation and damage b Check the front door ﬂag for damage c Check the front door hinge for damage d Ch...

Page 184: ...are in proper contact with the gear they are driving Does the problem remain Go to step 7 The problem is solved Step 7 Replace the main drive See Main drive removal on page 234 Does the problem remain Contact the next level of support The problem is solved Fax not detected service check Action Yes No Step 1 a Reseat all the cables on the top cover b Check the top cover for proper installation and ...

Page 185: ...cables on the controller board b Check if the controller board LED lights up when the power is on Does the controller board LED light up Go to step 2 Go to step 4 Step 2 a Check the control panel for proper installation and damage b Check the control panel cable for proper installation and damage Is the control panel properly installed and free of damage Go to step 4 Go to step 3 Step 3 Replace th...

Page 186: ...age e Check the LVPS for proper installation and damage Is the LVPS properly installed and free of damage Go to step 5 Go to step 3 Step 3 a Make sure that the LVPS is compatible with the fuser and the printer b Make sure that there is voltage going out from the fuser connector c Make sure that the correct power input voltage is applied Does the problem remain Go to step 4 The problem is solved St...

Page 187: ...gnostics menu and then navigate to Scanner diagnostics Feed test Does the problem remain Go to step 2 The problem is solved Step 2 a Check the ADF pick and feed rollers for wear damage and contamination b Check the ADF pick separator pad for wear damage contamination and spring load c Check if the ADF door properly closes Is the ADF pick assembly properly installed and free of damage Go to step 4 ...

Page 188: ...moval on page 261 Does the problem remain Go to step 7 The problem is solved Step 7 a Reseat all the cables on the controller board b Check if the controller board LED lights up c Check the controller board for proper installation and damage Is the controller board properly installed and free of damage Contact the next level of support Go to step 8 Step 8 Replace the controller board See Controlle...

Page 189: ...gh menus or move between screens and menu options Increase the numeric value of a setting 5 Indicator light Check the status of the printer 6 Home button Go to the home screen 7 Stop or Cancel button Stop the current job 8 Back button Return to the previous screen 9 Start button Start a job depending on which mode is selected 10 Menu button Access the printer menus 11 Shortcuts button Access short...

Page 190: ...menu from POST press and hold Left arrow and OK on the control panel To access the Diagnostics menu from the home screen press Back Right arrow Back and Right arrow on the control panel Reports Device Settings This report lists all the current printer settings Enter the Diagnostics menu and then navigate to Reports Device Device Settings Installed Licenses This setting lists all the installed lice...

Page 191: ...his setting lists an extended version of the various printer events 1 Enter the Diagnostics menu and then navigate to Event Log Print Log 2 Press Note The events that appear in the report vary depending on the operational history of the printer Print Log Summary This setting lists a brief summary of the various printer events 1 Enter the Diagnostics menu and then navigate to Event Log Print Log Su...

Page 192: ...s Output bin quick feed This setting lets you feed a single or continuous page from the standard bin 1 Enter the Diagnostics menu and then navigate to Output bin quick feed Standard bin 2 Select whether to print a single or continuous test page and then press Printer Setup Printed page count mono This setting displays the amount of pages printed in mono 1 Enter the Diagnostics menu and then naviga...

Page 193: ...up Model name 2 View the model name Engine setting x Warning Potential Damage Do not change this setting without speciﬁc instructions from the next level of support This setting allows you to select a printer engine setting Possible values are 0 255 0 is the default 1 Enter the Diagnostics menu and then navigate to Printer Setup Engine setting x 2 Select a setting enter a value and then press EP s...

Page 194: ...ay1 S1 Sensor staging sensor S2 Sensor input sensor S3 Sensor fuser exit sensor S4 Motor tests 1 Enter the Diagnostics menu and then navigate to Printer diagnostics adjustments Motor tests 2 Select a motor and then press Notes If the motor is activated then it is properly working Some motors require automatic deactivation to avoid secondary issues such as possible damage and contamination Some tes...

Page 195: ... from the next level of support 1 Enter the Diagnostics menu and then navigate to Printer diagnostics adjustments HVPS adjust 2 Select a setting to adjust Scanner Diagnostics Motor Tests 1 Enter the Diagnostics menu and then navigate to Scanner Diagnostics Motor Tests 2 Select a motor and then press Notes If the motor is activated then it is properly working Some motors require automatic deactivat...

Page 196: ... Sensor ADF media present Sensor ADF 1st scan Sensor ADF top door interlock Feed Test This test allows for a continuous feed from the ADF or ﬂatbed 1 Enter the Diagnostics menu and then navigate to Scanner Diagnostics Feed Test 2 Select a paper size 3 From the Feed Test section press Scanner Calibration Reset Before starting the test make sure that the scanner glass and scanner glass pad are clean...

Page 197: ...tion USB PnP 1 2 Change the USB driver mode of the printer to improve its compatibility with a personal computer USB Conﬁguration USB Scan to Local On Off Set whether the USB device driver enumerates as a USB Simple device single interface or as a USB Composite device multiple interfaces USB Conﬁguration USB Speed Full Auto Set the USB port to run at full speed and disable its high speed capabilit...

Page 198: ...unter or view the total printed pages Fax Conﬁguration Fax Low Power Support Disable Sleep Permit Sleep Auto Specify the printer power setting when it is in fax mode Print Conﬁguration Font Sharpening 0 150 24 Set a text point size value below which the high frequency screens are used when printing font data Print Conﬁguration Print Density 1 5 3 Copy Density 1 5 3 Adjust the toner density when pr...

Page 199: ... 0 6 3 Set the size in millimeters of the no print area around an ADF or ﬂatbed scan job Scanner Conﬁguration Disable Scanner Enabled Disabled ADF Disabled Disable the scanner if it is not working properly Scanner Conﬁguration Tiff Byte Order CPU Endianness Little Endian Big Endian Set the byte order of a TIFF formatted scan output Scanner Conﬁguration Exact Tiff Rows Per Strip On Off Set the Rows...

Page 200: ...General SE Capture Logs to USB Drive Network SE Enter the Service Engineer SE menu and then select Network SE Note Use these settings as directed by the next level of support Top level menu Intermediate menu Print SE Menus Print SE Menus History Print History Mark History MAC Set Card Speed LAA Keep Alive NPAP Print Alerts TCP IP netstat arp Allow SNMP Set MTU Meditech Mode RAW LPR Mode Wireless E...

Page 201: ...xt level of support Top level menu Intermediate menu Code Levels Base current value Kernel current value Network current value Engine current value Loader current value Fax current value Scanner current value Agency Test Go Off Hook Ring Detect Generate Tones Modulations Fax Settings Line Features Fax Modulations Detect EOLS Print Logs AutoPrint T30 Logs 3400 48x Service menus 201 ...

Page 202: ...ble CEQ V17 TX Filter DC Characteristic Impedance Caller ID Pattern Busy Tone Cycles Busy Tone Min On Time Busy Tone Max On Time Busy Tone Min Off Time Busy Tone Max Off Time Congest Tone Cycles Congest Tone Min On Time Adjust Power FSK Pulse Fall Time High Ring Impedance Reboot System After this setting is selected the control panel displays the message About to reboot Press Start to reboot Press...

Page 203: ...Scan SE Scanner Info 3400 48x Service menus 203 ...

Page 204: ...3400 48x 204 ...

Page 205: ...uchez pas les composants du circuit ou le côté soudure de la carte Tenez les uniquement par leurs extrémités ou le boîtier en métal ATTENTION RISQUE D ELECTROCUTION Ce produit utilise un commutateur d alimentation logiciel Il ne déconnecte pas physiquement la tension d alimentation CA Pour éviter tout risque d électrocution débranchez toujours le cordon d alimentation de l imprimante lorsque vous ...

Page 206: ...ssen Sie sie nur an den Außenkanten oder am Metallgehäuse an VORSICHT STROMSCHLAGGEFAHR Dieses Produkt verwendet einen weichen Netzschalter Er trennt die Eingangswechselspannung nicht physisch Um das Risiko eines elektrischen Schlags zu vermeiden ziehen Sie stets das Netzkabel vom Drucker ab wenn eine Abtrennung der Eingangswechselspannung erforderlich ist VORSICHT STROMSCHLAGGEFAHR Um das Risiko ...

Page 207: ...es lithium usagées au rebut selon les instructions du fabricant et les réglementations locales PRECAUCIÓN POSIBLES DAÑOS PERSONALES La batería de litio de este producto no debe reemplazarse Existe riesgo de explosión si se sustituye incorrectamente una batería de litio No recargue desmonte ni incinere una batería de litio Deseche las baterías de litio según las instrucciones del fabricante y las n...

Page 208: ...software bundle contains the latest version of the ﬁrmware applications and software licenses from the Lexmark Virtual Solutions Center VSC The printer ﬁrmware may be at a different level from what was used before replacing the controller board Using the Service Restore Tool 1 Go to https cdp lexmark com service restore tool to access the tool 2 Log in using your Lexmark or partner login If your l...

Page 209: ...uctions in the ﬁle Notes Perform the install instructions on the Readme ﬁle in the exact order shown Restart the printer only if the ﬁle says so For more information on how to ﬂash the downloaded ﬁles see Updating the printer ﬁrmware on page 211 To load the zip ﬁles that are extracted from the Service Restore Tool see Restoring solutions licenses and conﬁguration settings on page 210 3400 48x Part...

Page 210: ...verify that the printer is restored then ask the customer for access rights If a 10 00 error appears after you restart the printer then contact the next level of support Restoring solutions licenses and conﬁguration settings To load the zip ﬁles that are extracted from the Service Restore Tool do the following 1 Open a web browser and then type the printer IP address 3400 48x Parts removal 210 ...

Page 211: ...port 5 Repeat step 2 through step 4 for the other ﬁles that are included in the extracted zip ﬁle Updating the printer ﬁrmware Warning Potential Damage Before updating the printer ﬁrmware ask the next level of support for the correct code Using an incorrect code level may damage the printer The printer must be in ready state in order to update the ﬁrmware 3400 48x Parts removal 211 ...

Page 212: ...e printer The printer performs a POR sequence and terminates the FTP session 5 Repeat step 2 through step 4 for the other ﬁles Using the Embedded Web Server Make sure that the printer is in ready state before ﬂashing the printer 1 Open a web browser and then type the printer IP address 2 From the home page navigate to Conﬁguration Update Firmware 3 Select the ﬁle to use The printer performs a POR ...

Page 213: ...cannot be saved 3 Navigate to Settings Solutions Embedded Solutions 4 From the Embedded Solutions page select the applications that you want to import 5 Click Import Ribbon cable connectors Zero Insertion Force ZIF connectors These connectors are used on the boards and cards that are installed in the printer To avoid damaging the connectors and their cables observe the following Do not insert the ...

Page 214: ...abs should be moved simultaneously Do not close the actuator from the center Removing the cable 1 Unlock the actuator 2 Remove the cable Inserting the cable Make sure that the actuator is unlocked before installing the cable The tabs are vertical when the actuator is locked 1 Insert the cable on top of the actuator with the contacts facing up Note Make sure that the cable is installed squarely int...

Page 215: ...the locking actuator to the locked position Notes Do not move the cable while locking the actuator If the cable moves open the actuator reposition the cable and then close the actuator 3400 48x Parts removal 215 ...

Page 216: ...otential Damage When opening or closing this type of actuator gently lift the center of the actuator using your ﬁnger Do not use a ﬁngernail or screwdriver to open the actuator to avoid damaging the ribbon cable Do not close the actuator from its ends Removing the cable 1 Unlock the actuator 2 Remove the cable 3400 48x Parts removal 216 ...

Page 217: ...n the open position 2 Insert the cable below the actuator with the contacts facing downward and away from the locking actuator Note Make sure that the cable is installed squarely into the connector to avoid intermittent failures 3400 48x Parts removal 217 ...

Page 218: ...ial Damage When opening or closing this type of actuator gently lift the center of the actuator using your ﬁnger Do not use a ﬁngernail or screwdriver to open the actuator to avoid damaging the ribbon cable Do not close the actuator from its ends Removing the cable 1 Rotate the locking actuator from the center of the actuator to the unlocked position 2 Remove the cable 3400 48x Parts removal 218 ...

Page 219: ...way from the locking actuator Note Make sure that the cable is installed squarely into the connector to avoid intermittent failures 3 Rotate the locking actuator to the locked position Notes Do not move the cable while locking the actuator If the cable moves open the actuator reposition the cable and then close the actuator 3400 48x Parts removal 219 ...

Page 220: ...ing or closing this type of actuator gently push or pull the two tabs located on each end of the actuator Do not close the actuator from the center of the actuator Do not use a screwdriver to open or close the actuator to avoid damage to the cable or connector Removing the cable 1 Slide the tabs away from the connector 2 Remove the cable 3400 48x Parts removal 220 ...

Page 221: ...o avoid breaking the connector 2 Insert the cable on top of the actuator with the contacts facing away from the locking actuator 3 Slide the locking actuator toward the connector to lock the cable Notes Do not move the cable while locking the actuator If the cable moves open the actuator reposition the cable and then close the actuator 3400 48x Parts removal 221 ...

Page 222: ...the edges of the cables and damaging the contacts on the cables Inserting the cable 1 Make sure that the contacts of the controller board and connectors are on the same side 2 Insert the cable Note Make sure that the cable is installed straight into the connector to avoid intermittent failures 3400 48x Parts removal 222 ...

Page 223: ...r a mechanically misaligned printhead causes the horizontal lines to appear skewed while the vertical lines remain parallel to the vertical edges The skew cannot be adjusted Check the pick tires for wear the paper path for obstructions the fuser for proper setting and the tray paper guides for proper setting Paper feed skew Printhead misalignment To adjust the printhead 1 POR into the Diagnostics ...

Page 224: ... the grid lines of the left ﬂap align below the corresponding lines of the right side then adjust the printhead counterclockwise 5 Print another Quick test page and check if adjustments are still needed 6 After obtaining a properly adjusted image on the paper tighten all the screws Note If necessary print a Quick test page again and perform the Registration adjust procedure to correct the skew and...

Page 225: ...ntroller card UICC Controller board Optional hard disks Note The printer control panel and controller board contain NVRAM Erasing printer memory To erase volatile memory turn off the printer To erase nonvolatile memory do the following 1 From the control panel navigate to Settings Device Maintenance Out of Service Erase Sanitize all information on nonvolatile memory 2 Select Sanitize all informati...

Page 226: ...te to Reports Device Device settings 2 Take note of the HVPS adjust values 3 Turn off the printer 4 Remove the old HVPS 5 Install the new HVPS 6 Perform a POR 7 Enter the Diagnostics menu and then navigate to Printer diagnostics adjustments HVPS adjust 8 For each letter under the HVPS adjust section enter the values as indicated on the sticker of the new HVPS 9 Perform a POR 10 Enter the Diagnosti...

Page 227: ...ght while out of the printer Disconnect all external cables from the printer to prevent possible damage during service Unless otherwise stated reinstall the parts in reverse order of removal When reinstalling a part held with several screws start all screws before the ﬁnal tightening For printers that have a soft power switch make sure to unplug the power cord after powering off Left side removals...

Page 228: ...g or removing the controller board 1 Remove the tray insert 2 Remove the duplex unit 3 Remove the rear door See Rear door removal on page 243 4 Remove the bottom rear door See Bottom rear door removal on page 244 5 Remove the left cover See Left cover removal on page 227 3400 48x Parts removal 228 ...

Page 229: ...6 Disconnect all cables 7 Remove the controller board 3400 48x Parts removal 229 ...

Page 230: ...troller board See Restoring the printer conﬁguration after replacing the controller board on page 208 LVPS removal 1 Remove the tray insert 2 Remove the duplex unit 3 Remove the rear door See Rear door removal on page 243 4 Remove the bottom rear door See Bottom rear door removal on page 244 5 Remove the left cover See Left cover removal on page 227 3400 48x Parts removal 230 ...

Page 231: ...Performing the HVPS characterization on page 226 1 Remove the tray insert 2 Remove the duplex unit 3 Remove the rear door See Rear door removal on page 243 4 Remove the bottom rear door See Bottom rear door removal on page 244 5 Remove the left cover See Left cover removal on page 227 3400 48x Parts removal 231 ...

Page 232: ...6 Disconnect all cables 7 Remove the HVPS Installation note Make sure that the spring contacts on the printer A are properly aligned with the contacts on the HVPS B 3400 48x Parts removal 232 ...

Page 233: ...Right side removals Right cover removal 1 Remove the tray insert 2 Remove the duplex unit 3400 48x Parts removal 233 ...

Page 234: ...3 Remove the right cover Main drive removal 1 Remove the tray insert 2 Remove the duplex unit 3400 48x Parts removal 234 ...

Page 235: ...Remove the right cover See Right cover removal on page 233 6 Remove the main drive 7 Remove the three gears A Installation note Pay attention on how the gears are installed on the main drive and on the printer Some gears may have a coupler within them For more information see the Main drive removal video 3400 48x Parts removal 235 ...

Page 236: ...Pick solenoid removal 1 Remove the tray insert 2 Remove the duplex unit 3 Remove the right cover See Right cover removal on page 233 4 Remove the pick solenoid 3400 48x Parts removal 236 ...

Page 237: ... Remove the bottom rear door See Bottom rear door removal on page 244 5 Remove the left cover See Left cover removal on page 227 6 Remove the right cover See Right cover removal on page 233 7 Remove the top cover See Top cover removal on page 248 8 Disconnect the cable and then remove it from the frame 3400 48x Parts removal 237 ...

Page 238: ...ntrol panel removal 1 Remove the tray insert 2 Remove the duplex unit 3 Remove the rear door See Rear door removal on page 243 4 Remove the bottom rear door See Bottom rear door removal on page 244 5 Remove the left cover See Left cover removal on page 227 6 Remove the right cover See Right cover removal on page 233 3400 48x Parts removal 238 ...

Page 239: ...7 Disconnect the cable and then detach the ADF link 3400 48x Parts removal 239 ...

Page 240: ...8 Remove the control panel 3400 48x Parts removal 240 ...

Page 241: ...Front door removal 1 Detach the door strap 2 Remove the front door 3400 48x Parts removal 241 ...

Page 242: ...e the transfer roller Installation notes Do not touch the foam on the roller The shaft has grease To avoid contaminating the roller do not touch the shaft Make sure that the spring is properly installed on the right side of the roller 3400 48x Parts removal 242 ...

Page 243: ...Rear removals Rear door removal 1 Remove the duplex unit 2 Detach the upper rear latch of the right cover to remove the rear door Duplex unit removal 1 Remove the duplex unit 3400 48x Parts removal 243 ...

Page 244: ...edrive removal 1 Remove the tray insert 2 Remove the duplex unit 3 Remove the left cover See Left cover removal on page 227 4 Remove the right cover See Right cover removal on page 233 5 Remove the rear door See Rear door removal on page 243 6 Remove the bottom rear door See Bottom rear door removal on page 244 3400 48x Parts removal 244 ...

Page 245: ...241 4 Remove the rear door See Rear door removal on page 243 5 Remove the bottom rear door See Bottom rear door removal on page 244 6 Remove the left cover See Left cover removal on page 227 7 Remove the redrive See Redrive removal on page 244 8 Remove the fuser Installation note Pay attention to the cable routing 3400 48x Parts removal 245 ...

Page 246: ...3400 48x Parts removal 246 ...

Page 247: ...Fuser exit ﬂag removal 1 Remove the rear door See Rear door removal on page 243 2 Open the fuser door 3400 48x Parts removal 247 ...

Page 248: ...or removal on page 243 5 Remove the bottom rear door See Bottom rear door removal on page 244 6 Remove the left cover See Left cover removal on page 227 7 Remove the right cover See Right cover removal on page 233 8 Remove the ADF scanner and ﬂatbed scanner See ADF scanner and ﬂatbed scanner removal on page 261 9 Remove the control panel See Control panel removal on page 238 3400 48x Parts removal...

Page 249: ...10 Disconnect the cable from the left and right sides of the printer Note Make sure to release the right side cable from the frame 3400 48x Parts removal 249 ...

Page 250: ...11 Remove the top cover 3400 48x Parts removal 250 ...

Page 251: ...emoval on page 248 8 Remove the printhead Warning Class 3b laser radiation when open and interlocks defeated Avoid exposure to the beam Avertissement Rayonnement laser invisible de classe 3b en cas d ouverture et de verrouillage defectueux Evitez toute exposition au faisceau Advertencia Radiación láser invisible de clase 3b en caso de apertura y neutralización de la seguridad Evitar exposición al ...

Page 252: ...3 Remove the rear door See Rear door removal on page 243 4 Remove the bottom rear door See Bottom rear door removal on page 244 5 Place the printer on its front and then remove the sensor Sensor paper present removal 1 Remove the tray insert 2 Remove the duplex unit 3400 48x Parts removal 252 ...

Page 253: ...3 Place the printer on its rear and then remove the sensor Sensor input removal 1 Remove the tray insert 2 Remove the duplex unit 3400 48x Parts removal 253 ...

Page 254: ...3 Place the printer on its rear and then remove the sensor cover 4 Remove the sensor 3400 48x Parts removal 254 ...

Page 255: ...e the tray insert 2 Remove the duplex unit 3 Remove the sensor input See Sensor input removal on page 253 4 Remove the two sensor ﬂags Installation note Pay attention to the position of the spring on each ﬂag 3400 48x Parts removal 255 ...

Page 256: ...Pick rollers removal 1 Remove the tray insert 2 Place the printer on its rear 3400 48x Parts removal 256 ...

Page 257: ...3 Remove the left and right pick roller retainers Note Perform the same procedure to remove the left pick roller retainer 3400 48x Parts removal 257 ...

Page 258: ...4 Remove the two pick rollers 3400 48x Parts removal 258 ...

Page 259: ...ADF and scanner Scanner stand removal 1 Raise the ADF and scanner assembly 2 Remove the scanner stand 3400 48x Parts removal 259 ...

Page 260: ...ADF pick assembly removal 1 Open the ADF door 2 Remove the separator pad Notes Pay attention to the position of the spring under the pad Do not lose the spring 3400 48x Parts removal 260 ...

Page 261: ...val 1 Remove the tray insert 2 Remove the duplex unit 3 Remove the rear door See Rear door removal on page 243 4 Remove the bottom rear door See Bottom rear door removal on page 244 5 Remove the left cover See Left cover removal on page 227 3400 48x Parts removal 261 ...

Page 262: ...6 Detach the scanner stand and then remove the fax card cover 3400 48x Parts removal 262 ...

Page 263: ...7 Disconnect the FFC cable and then remove it from the frame 8 Disconnect the four cables and then remove the screw securing the two ground cables 3400 48x Parts removal 263 ...

Page 264: ...9 Remove the ADF cables from the printer and then remove the ADF scanner and ﬂatbed scanner 10 Detach the ADF scanner from the ﬂatbed scanner Note Do not lose the two brackets 3400 48x Parts removal 264 ...

Page 265: ...11 Remove the ADF scanner from the ﬂatbed scanner 3400 48x Parts removal 265 ...

Page 266: ...3400 48x 266 ...

Page 267: ...ndard bin 5 Power button 6 Manual feeder 7 250 sheet tray 8 Control panel Controller board connectors Connector Connects to Pin number Signal JCN37 Sensor ﬂatbed 1 1 2 V 2 GROUND 3 FB home Sns JCN34 Motor ADF 1 ADF BOUT1 2 ADF BOUT2 3 ADF AOUT1 4 ADF AOUT2 5 Not used 3400 48x Component locations 267 ...

Page 268: ...UT2 3 FB AOUT1 4 FB AOUT2 JCN35 Sensor ADF 1 ADF ENTRYN C 2 ADF COVER OPEN C 3 3 V 4 GROUND 5 ADF FEEDN C JCN38 CIS scanner 1 JCIS P1 2 GROUND 3 GROUND 4 3 3 V 5 SCAN VREF 6 JCIS P6 7 FB CIS PCLK2 8 5 V 9 JCIS P9 10 JCIS P10 11 JCIS P11 12 GROUND 3400 48x Component locations 268 ...

Page 269: ...6 Fax 1 3 3 V FUSED RIP 2 GROUND 3 5 V FUSED 4 FAX POR 5 FAX IRQ 6 3 3 V FUSED RIP 7 GROUND 8 BSPI CLK FAX 9 GROUND 10 BSPI TXD FAX 11 GROUND 12 BSPI RXD 13 GROUND 14 BSP1 CS FAX 15 RING FAX 16 SLEEP 17 FAX RELAY 3400 48x Component locations 269 ...

Page 270: ...W5 9 ROW4 10 ROW3 11 ROW2 12 ROW1 13 ROW0 14 LCD ON 15 LCD SDA 16 LCD SCK 17 LCD RSTN 18 OP PAN DETECT 19 LCD CD 20 LCD CS 21 LCD BK 22 GROUND 23 3 3 V 24 3 3 V JCN31 Photoconductor contact 1 3 3 V SCHIP 2 IU SDA C 3 IU SCL C 4 GROUND JCN21 Power switch 1 5 V 2 POWER LED OUT 3 GROUND 3400 48x Component locations 270 ...

Page 271: ...L C 9 FDOOR OPEN C 10 FAN EN C 11 3 3 V ENG SNS 12 PICK EN C 13 BUMP ROLL EN C 14 INPUT SNSN C 15 BUMP SNSN C 16 NO CONNECTION 17 UNUSED SNSN C 18 DEV PWM C 19 XFR PWM C 20 CHG PWM C 21 XFR POS C 22 A XFR SERVO C 23 GROUND JCN5 Printhead 1 MMTR REFCLK C 2 MMTR LOCKN C 3 MMTR STARTN C 4 GROUND 5 25 V SW 3400 48x Component locations 271 ...

Page 272: ...PWR C 3 3 V 12 VDO K0 C JCN24 LVPS 1 25 V CONT 2 25 V CONT 3 25 V CONT 4 GROUND 5 GROUND 6 GROUND 7 LV SLEEPN C 8 LV HEAT C 9 25 V SW 10 AC RELAY ON C 3 V JCN3 Motor main 1 GROUND 2 GROUND 3 25 V SW 4 25 V SW 5 BLDC LOCKN C 6 BLDC ENN C 7 BLDC PWM C 8 BLDC DIR C JCN10 Sensor tray empty 1 TRAY EMPTY LED C 1 1 V 2 TRAY EMPTY C 3 GROUND 4 No connection 3400 48x Component locations 272 ...

Page 273: ...Connector Connects to Pin number Signal JCN1 Sensor fuser exit 1 3 3 V 2 EXIT SNS C 3 GROUND JCN2 Sensor fuser 1 A FUSER THERM C 1 8 V 2 GROUND 3400 48x Component locations 273 ...

Page 274: ...3400 48x 274 ...

Page 275: ...ntes de realizar la operación VORSICHT STROMSCHLAGGEFAHR Um das Risiko eines elektrischen Schlags beim Reinigen des Druckergehäuses zu vermeiden ziehen Sie das Netzkabel aus der Steckdose und ziehen Sie alle Kabel vom Drucker ab bevor Sie fortfahren Notes Perform this task after every few months Damage to the printer caused by improper handling is not covered by the printer warranty 1 Turn off the...

Page 276: ...Cleaning the scanner 1 Open the scanner cover 2 Using a damp soft lint free cloth wipe the following areas ADF glass ADF glass pad 3400 48x Maintenance 276 ...

Page 277: ... Scanner glass Scanner glass pad 3 Close the scanner cover 3400 48x Maintenance 277 ...

Page 278: ...nits actually used in the base machine or product Units FRU Refers to the number of units in a particular FRU Description Describes the part The following abbreviations are used in the parts catalog NS not shown in the Asm index column indicates that the part is procurable but is not pictured in the illustration PP parts packet in the Description column indicates that the part is contained in a pa...

Page 279: ...Assembly 1 Covers 3400 48x Parts catalog 279 ...

Page 280: ...nt door Front door removal on page 241 3 41X2451 1 1 Left cover Left cover removal on page 227 4 41X2448 1 1 Bottom rear door Bottom rear door removal on page 244 5 41X2447 1 1 Rear door Rear door removal on page 243 6 41X2446 1 1 Top cover Top cover removal on page 248 7 41X2479 1 1 Control panel Control panel removal on page 238 3400 48x Parts catalog 280 ...

Page 281: ...Assembly 2 Paper path 3400 48x Parts catalog 281 ...

Page 282: ... FRU Description Removal procedure 1 41X2453 1 1 Redrive Redrive removal on page 244 2 41X2454 1 1 Duplex unit Duplex unit removal on page 243 3 41X2455 1 1 Pick roller Pick rollers removal on page 256 4 41X2452 1 1 Tray insert 3400 48x Parts catalog 282 ...

Page 283: ...Assembly 3 Drive 3400 48x Parts catalog 283 ...

Page 284: ...Units FRU Description Removal procedure 1 41X2470 1 1 Fan assembly Fan assembly removal on page 237 2 41X2471 1 1 Main drive Main drive removal on page 234 3 41X2472 1 1 Pick solenoid Pick solenoid removal on page 236 3400 48x Parts catalog 284 ...

Page 285: ...Assembly 4 Sensors 3400 48x Parts catalog 285 ...

Page 286: ...ser exit Sensor fuser exit removal on page 252 2 41X2467 1 1 Sensor input Sensor input removal on page 253 3 41X2466 1 1 Sensor paper present Sensor paper present removal on page 252 4 41X2469 1 1 Sensor ﬂags Input sensor ﬂags removal on page 255 Fuser exit ﬂag removal on page 247 3400 48x Parts catalog 286 ...

Page 287: ...Assembly 5 Electronics 3400 48x Parts catalog 287 ...

Page 288: ...9 1 1 LVPS 110 V LVPS removal on page 230 3 41X2460 1 1 LVPS 220 V LVPS removal on page 230 4 41X2458 1 1 HVPS HVPS removal on page 231 5 41X2461 1 1 Controller board Controller board removal on page 228 6 41X2463 1 1 Fuser 110 V Fuser removal on page 245 6 41X2464 1 1 Fuser 220 V Fuser removal on page 245 NS 41X2482 1 1 Cable kit parts pack NS 41X2634 1 1 Control panel and fax FFC cable 3400 48x ...

Page 289: ...Assembly 6 Scanner 3400 48x Parts catalog 289 ...

Page 290: ...anner assembly ADF scanner and ﬂatbed scanner removal on page 261 2 41X2480 1 1 ADF pick assembly ADF pick assembly removal on page 260 3 41X2478 1 1 Flatbed scanner ADF scanner and ﬂatbed scanner removal on page 261 4 41X2629 1 1 Scanner stand Scanner stand removal on page 259 3400 48x Parts catalog 290 ...

Page 291: ...s are subject to change See www lexmark com for current values Sleep Mode This product is designed with an energy saving mode called Sleep Mode The Sleep Mode saves energy by lowering power consumption during extended periods of inactivity The Sleep Mode is automatically engaged after this product is not used for a speciﬁed period of time called the Sleep Mode Timeout Factory default Sleep Mode Ti...

Page 292: ...selecting a location for the printer leave enough room to open trays covers and doors and to install hardware options Set up the printer near an electrical outlet CAUTION POTENTIAL INJURY To avoid the risk of ﬁre or electrical shock connect the power cord to an appropriately rated and properly grounded electrical outlet that is near the product and easily accessible CAUTION SHOCK HAZARD To avoid t...

Page 293: ...n conformance with ISO 9296 Note Some modes may not apply to your product 1 meter average sound pressure dBA Printing One sided 53 Two sided 50 Scanning 52 Copying 55 Ready 14 Values are subject to change See www lexmark com for current values Temperature information Ambient operating temperature 10 to 32 2 C 50 to 90 F Shipping temperature 40 to 43 3 C 40 to 110 F Storage temperature and relative...

Page 294: ...3400 48x 294 ...

Page 295: ...re failure is detected then it is reported to the printer If the POR sequence cannot be completed successfully then the printer may post an error message The message states that service may be needed Print cycle operation Print engine layout 1 Printhead 2 Toner cartridge 3 Imaging unit 4 Transfer roller 5 Fuser 3400 48x Theory of operation 295 ...

Page 296: ...Print cycle Flowchart EXPOSE CLEAN CHARGE DEVELOP IMAGING UNIT PAPER TRANSFER FUSE Charge 3400 48x Theory of operation 296 ...

Page 297: ...low it to hold the charge as long as it is not exposed to light Expose 1 Printhead 2 Photoconductor drum The printhead emits the light that contacts the surface of the photoconductor drum The light turns on or off coinciding with the digital latent image The light causes areas of the photoconductor drum surface to lose charge resulting in a relative opposite polarity 3400 48x Theory of operation 2...

Page 298: ...ductor drum The developer unit applies the toner from the toner cartridge to the photoconductor drum The difference in charge causes the toner particles to attract to the photoconductor drum areas which are exposed to light 3400 48x Theory of operation 298 ...

Page 299: ...e opposite polarities between the paper from the transfer roller and the photoconductor drum from the charge roller the charge attracts the toner to the paper Clean The cleaning blade removes the toner residue from the photoconductor drum after the transfer The cycle charge expose develop transfer and clean repeats until the whole image is transferred to the paper 3400 48x Theory of operation 299 ...

Page 300: ...bonded to the surface For the ﬁnal part of printing the paper is transported to the fuser where heat and pressure are applied to it As a result the toner particles melt and permanently fuse with the paper completing the print process The print cycle repeats for the succeeding pages 3400 48x Theory of operation 300 ...

Page 301: ...Printer operation Printer sections 1 Output bin 2 Printhead 3 Toner cartridge 4 Imaging unit 5 Manual feeder 6 Tray 7 Lift plate 8 Transfer roller 9 Fuser 10 Paper paths 3400 48x Theory of operation 301 ...

Page 302: ... corrected The deskew shutter along the deskew roller corrects the paper skew The deskew roller feeds the paper to the transfer roller for image transfer At the transfer roller the photoconductor drum transfers the developed image to the paper to create the printed image As the paper passes the fuser heat and pressure are applied to bond permanently the toner to the paper After the image transfer ...

Page 303: ...the output bin while still in the exit roller The paper is fed back into the duplex paper path to have the opposite page printed The paper travels along the duplex path until it reenters the second input roller From there the paper continues its path until the print job is done 3400 48x Theory of operation 303 ...

Page 304: ...g the fuser 2 Sensor staging Detects the paper travelling between the pick rollers and the deskew roller 3 Sensor paper present Detects paper presence in the tray 4 Sensor input Detects the paper travelling between the deskew roller and the transfer roller 3400 48x Theory of operation 304 ...

Page 305: ...port roller 9 Deskew roller The motor main drive powers the drive mechanism of the printer The gearbox provides mechanical power to the printer which transfers power through several gears to the following parts Manual feeder Paper pick using the pick solenoid Paper feed using the deskew solenoid 3400 48x Theory of operation 305 ...

Page 306: ...es the surface of the document The reﬂections produced are processed to create the scan image For ﬂatbed scan jobs the ﬂatbed scanner moves across the scanner glass area to scan the front side of the document The motor scanner drives the belt and controls the scanner position The sensor scanner home detects the scanner at its home position For ADF scan jobs the scanner lamp stays at the left side ...

Page 307: ...y of feeding multiple sheets The paper passes through the transport rollers and then actuates the sensor ADF scan The scan roller moves the paper to the scan area and then the document is scanned The scan rollers continue to move the paper to the scan area until the trailing edge of the paper reaches the sensor ADF scan When the trailing edge of the paper reaches the sensor ADF scan the sensor goe...

Page 308: ... Function 1 Sensor ADF paper present Detects paper presence in the ADF tray 2 Motor ADF transport Drives the rollers that transport paper through the ADF 3 Sensor ADF scan Detects paper for scanning 3400 48x Theory of operation 308 ...

Page 309: ...tatic sensitive parts 206 embedded solutions 212 emission notices 293 error codes 200 paper jam messages 91 202 paper jam messages 97 206 paper jam messages 107 232 paper jam messages 107 ESD sensitive parts 206 eSF solutions 212 event log display log 191 mark log 192 print log 191 print log summary 191 expose 297 F format fax storage 191 fuse 300 H horizontal bottom contact connector 216 horizont...

Page 310: ...etting x 193 EP setup 193 model name 193 permanent page count 192 printed page count mono 192 process ID 193 serial number 193 printer status 190 R removal procedures tips 227 removals ADF pick assembly 260 ADF scanner and ﬂatbed scanner 261 bottom rear door 244 control panel 238 controller board 228 duplex unit 243 fan assembly 237 front door 241 fuser exit ﬂag 247 fuser removal 245 HVPS 231 inpu...

Page 311: ...ensors 308 theory ﬂatbed scanner 306 tools required 22 transfer 299 troubleshooting initial check 24 troubleshooting service checks 111 service error messages 142 121 service error messages 143 126 service error messages 147 140 service error messages 149 600 service error messages 150 84y service error messages 168 900 service error messages 157 U updating the printer ﬁrmware using a ﬂash drive 2...

Page 312: ...3400 48x Index 312 ...

Page 313: ...VPS 110 V 288 41X2460 LVPS 220 V 288 41X2461 Controller board 288 41X2463 Fuser 110 V 288 41X2464 Fuser 220 V 288 41X2466 Sensor paper present 286 41X2467 Sensor input 286 41X2468 Sensor fuser exit 286 41X2469 Sensor ﬂags 286 41X2470 Fan assembly 284 41X2471 Main drive 284 41X2472 Pick solenoid 284 41X2476 ADF scanner assembly 290 41X2478 Flatbed scanner 290 41X2479 Control panel 280 41X2480 ADF p...

Page 314: ...3400 48x Part number index 314 ...

Page 315: ...ont door 280 41X2463 Fuser 110 V 288 41X2464 Fuser 220 V 288 41X2458 HVPS 288 41X2451 Left cover 280 41X2459 LVPS 110 V 288 41X2460 LVPS 220 V 288 41X2471 Main drive 284 41X2455 Pick roller 282 41X2472 Pick solenoid 284 41X2456 Printhead 288 41X2447 Rear door 280 41X2453 Redrive 282 41X2449 Right cover 280 41X2629 Scanner stand 290 41X2468 Sensor fuser exit 286 41X2467 Sensor input 286 41X2466 Sen...

Page 316: ...3400 48x Part name index 316 ...

Page 317: ...F SCANNER MOTOR FLATBED SCANNER CIS SCANNER FUSER CONTROL PANEL PRINTHEAD PRINTHEAD SENSOR ADF SOLENOID PICK SENSOR FUSER EXIT POWER SWITCH WI FI ANTENNA J1 FAX JCN35 JCN6 JCN21 JCN25 JCN31 JCN39 JCN5 JCN4 JCN24 JCN3 JCN10 JCN1 JCN2 JCN37 JCN34 JCN36 WIRING DIAGRAM LEXMARK MB2236adw JCN38 JCN00 JCN00 JCN00 JCN00 JCN00 JCN00 JCN00 JCN00 HVPS LVPS MAIN BOARD ...

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