Lexmark 1020 manual 4078-00X Paper Feed Problems

Page 15

4078-00X

Paper Feed Problems

Symptom

Action

 

 

• Fails to pick paper

Go to the “Paper Feed Service

• Picks more than one sheet of

Check” on page 2-9.

paper

 

• Picks paper but fails to feed

 

• Paper jams

 

• Paper fails to exit

 

• Noisy paper feed

 

 

 

Envelopes fail to feed

Go to the “Envelope Feed Service

 

Check” on page 2-7.

 

 

Paper skews

Go to the “Paper Path Service

 

Check” on page 2-11.

 

 

Power Problems

 

Symptom

Action

 

 

No power in machine, no Power

Go to the “Power Service Check” on

On light, no motors

page 2-12.

 

 

Print Quality Problems

 

 

 

Symptom

Action

 

 

 

Voids in characters

Go to the “Print Quality Service

Light print

Check” on page 2-13.

• Prints off the page

 

Fuzzy print

 

• Carrier moves but no print

 

Printhead drys prematurely

 

Colors print incorrectly

 

Vertical alignment off

 

 

 

 

Ink smearing

Go to the “Paper Feed Service

Vertical streaks on paper

Check” on page 2-9.

Print lines crowded

 

 

 

 

Diagnostic Information 2-5

Image 15
Contents 4078-00X 4078-00X Contents Connector Locations Preface Safety InformationSicherheitshinweise Consignes de SécuritéNorme di sicurezza Pautas de Seguridad SikkerhedsoplysningerInformações de Segurança Chinese Safety Information Korean Safety Information Power Consumption Maintenance ApproachGeneral Information Abbreviations Unique Tools Required For ServiceStart Diagnostic InformationPower-On Self Test Post Sequence Error Indicator TableSymptom Action Post Symptom TableCarrier Transport Problems Symptom Tables4078-00X Paper Feed Problems Carrier Transport Service Check Service ChecksPerform the EOF and Home Position Sensors Envelope Feed Service CheckMaintenance Station Service Check Paper Feed Service Check Also check for loose or worn motor gear Home Position Sensors Test on page 3-2, to Paper Path Service CheckPower Service Check Parallel Port Service CheckFRU / Function Action Print Quality Service CheckMaintenance Station Service Check on Print Quality Notice Diagnostic Aids EOF and Home Position Sensors Test Initialize Error Log Parallel Port Test Print Nvram Contents Reset Nvram to Emea Defaults Reset Nvram to USA Defaults Test Handling ESD-Sensitive Parts Repair InformationAdjustments Removal ProceduresReleasing Plastic Latches Access Cover Removal Base Assembly RemovalCarrier Belt Removal Carrier Home Sensor Removal Carrier Frame Assembly RemovalCarrier Transport Motor Removal Drive Train Assembly RemovalGutter Pad Removal Front Cover RemovalMaintenance Station Assembly Removal Maintenance Wiper and Cap RemovalLarge Feed Roll Removal Mid Frame Assembly Removal Power Supply RemovalPaper Feed Motor Removal Printhead Carrier Assembly Removal Rear Cover Removal Sheet Feeder Removal Small Feed Roll Assembly RemovalSmall Feed Roll Bracket Assembly Removal System Board Removal Connector Locations System Board Connectors Connector Connector Names Lubrication Specifications Preventive MaintenanceParts Catalog How To Use This Parts CatalogAssembly 1 Covers Asm Part Units Description Index Number Assembly 2 Paper Feed / Carrier Transport / Maintenance See Print Quality Notice on Assembly 3 Electronics 11A5455 System Board with ROM Assembly 3 Electronics 4078-00X Assembly 4 Carrier 4078-00X Assembly 5 Sheet Feeder 4078-00X Post IndexEmea USA