Samsung ML-1700 specifications 3 JAM, 4 JAM

Page 74

T RO U B L E S H O OT I N G

7.2.3JAM 1

L S U

Fuser

CR

Toner Cartridge

 

 

DR

 

EXIT

OPC

SR

 

Sensor

PR

 

 

 

TR

PTL Feed

MP Sensor

 

Sensor

FR

 

R/

PIC

K

Empty Sensor

Description

1.Recording paper is jammed in front of or inside the fuser.

2.Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed.

 

Check and Cause

 

Solution

 

 

 

 

1.

If the recording paper is jammed in front of or inside

1.

Replace the SMPS.

 

the fuser. (Perform DCU diagnostic code 08)

 

 

2.

If the recording paper is stuck in the discharge roller

2.

Reassemble the Actuator-Feed and Spring-Actuator

 

and the fuser just after passing through the Actuator-

 

if the returning is bad.

 

Feed, Feed Actuator may be defective.

 

 

 

 

 

 

7.2.4 JAM 2

L S U

• Description

Fuser

CR

Toner Cartridge

 

 

DR

 

EXIT

OPC

SR

 

Sensor

PR

 

 

 

TR

PTL Feed

MP Sensor

 

Sensor

FR

 

R/

PIC

K

 

Empty Sensor

1.Recording paper is jammed in front of or inside the fuser.

2.Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed.

Check and Cause

Solution

 

 

 

 

1. If the paper is completely fed out of the printer, but Jam

1. Check if the exit sensor actuator is defective.

2 occurs : Exit sensor is defective.

• Check if the actuator exit is unformed (Check if the

• After the paper is completely discharged, actuator

lever part is unformed in shape).

Exit should return to the original position to shut the

• Check whether burrs occur in the assembly part of

photo-sensor. Sometimes it takes longer hour than it

the actuator exit or not and if the actuator is

should and does not return.

smoothly operated.

 

• Check if foreign matters and wire get caught in the

 

actuator exit's operation.

2. If the paper is rolled in the Fuser Roller:

2. If the paper is stuck in the fuser : disassemble the

• This occurs when a Guide claw is broken away or

fuser and remove the jammed paper, and clean the

transformed.

surface of the pressure roller with dry gauze.

• It occurs when the Spring of a Guide claw is broken

 

 

 

away or transformed.

 

 

 

• It occurs when the Heat-Roller or Pressure-Roller is

 

 

 

seriously contaminated with the toner.

 

 

 

3. Paper is accordion in the fuser.

3. Remove the jammed paper after disassembling the

 

fuser : Clean the surface of the pressure roller with

 

dry gauze.

 

• Remove the toner particles stained on the rib.

 

• Check the assemblage and performance of the exit.

 

 

 

 

Service Manual

 

 

7-9

Samsung Electronics

 

 

 

 

Image 74
Contents Troubleshooting PrecautionsSpecifications Block DiagramElectronics 2003 Precautions Precaution related noxious material Precaution related electric shock or firePrecaution related handling the machine Precaution when assembly/disassemblyESD Precautions Tool for Troubleshooting DCUDiagnostic Control Unit DriverAcronyms and Abbreviations LSUSample Pattern for the Test 1 A4 5% Pattern2 A4 2% Pattern 3 A4 IDC Pattern Samsung Electronics Specifications General SpecificationsEnvironmental Range Controller SpecificationElectrical Specification Paper Handling Specifications Toner Cartridge DeveloperSpecifications Printer Components Front ViewRear View Inside ViewOn Line/Error and Toner Save LEDs Control PanelCancel button Printing demoSystem Layout FuserDriver Ass’y Feeding PartTransfer Ass’y Fixing PartFuserSafety Relevant Facts LSU Laser Scanner UnitToner Cartridge Main Pbaspl Model Sdram Asic JupiterFlash Memory Sensor input circuitCover Open Sensing Paper Feeding, Toner Cartridge SensingPaper Exit Sensing DC FAN / Solenoid DrivingMain PBA PCL Model Sdram Regulator Clock Generator Buffer Motor DriveML-1710 ML-1510 ML-1750 AsicSPGPm MemorySPGPm Internal Block Diagram AHB BUSSmps & Hvps HVPSHigh Voltage Power Supply Consumption Power SMPSSwitching Mode Power SupplyRated Power Output Length of Power Cord 1830 ± 50mm Power Switch UseFuser AC Power Control Transfer Engine F/WDrive FeedingPID Method FusingHeat Lamp Method What is the Q-PID Method? 5 LSUWhenever servicing the machine, you must perform as follows General Precautions on DisassemblyReleasing Plastic Latches Top Cover Fuser FuserHeat Lamp TypeFuserQ-PID Type Unplug Thermister Harness from the Fuser cover Exit Roller LSUFan Driver Ass’yEngine Shield Ass’y Main PBASmps Transfer Roller Feed Roller Pick Up Roller & Solenoid How to use DCU DCU SetupNormal Code Error CodeCode Self Diagnostic Mode Code Description13 THV+ TRIGGER. ALL HV Self Test Button Functi on Enter Up/ Dow n Stop Remar kPaper Path Paper OutFace UpClearing Paper Jams Paper Exit Area JAM2Paper Feed Area JAM0 Around the Toner Cartridge JAM1Tips for Avoiding Paper Jams Sample Pattern Printing a DemoPrinting a cleaning sheet Consumables and Replacement Parts LED Status Display by Each ErrorPeriodic Defective Image Roller Defective image Typical defectSamsung Electronics Vertical White Line Bad imageVertical Black Line and Band Horizontal Black Band Black/White SpotLight Image Dark Image or a BlackUneven Density BackgroundGhost Satins on the Face Satins on Back Blank Page Print out2 JAM Bad dischargeWrong Print Position 3 JAM 4 JAMMulti-Feeding Paper rolled in the FuserPaper rolled in the Toner Cartridge OPC Drum Malfunction All LEDs blinking Fuser ErrorAll LEDs blinking Scan Error Paper Empty without indication Not function of the gear of the fuser due to melting awayPaper Empty No lamp on when the cover is open Cover OpenNo Power Defective motor operationVertical Line Getting Curved Service for the Life of Toner Cartridge Toner Cartridge ServicePrecautions on Safe-keeping of Toner Cartridge Redistributing TonerSigns and Measures at Poor toner cartridge ImageFault Signs Cause & Check Solution White Black spot Bad Environment of The Software Printer is not workingUtilities program Abnormal Printing Spool Error How to delete the data in the spool managerExploded Views and Parts List 11-1 11-2 11-3 Main Assembly Parts List Unit Assembly Frame Unit Assembly Parts List Frame Unit Assembly Parts ListCont Drive Unit Assembly Drive Unit Assembly Parts ListCassette Unit Assembly Cassette Unit Assembly Parts List Fuser Unit Assembly Fuser Unit Assembly Parts List Samsung Electronics 9Block Diagram 9.1 PCL Model SPL Model Motor DR PART’SConnection Diagram PCL ModelComputer Schematic Diagrams PCL Main Circuit Diagram 1/7PCL Main Circuit Diagram 2/7 PCL Main Circuit Diagram 3/7 PCL Main Circuit Diagram 4/7 PCL Main Circuit Diagram 5/7 PCL Main Circuit Diagram 6/7 PCL Main Circuit Diagram 7/7 SPL Main Circuit Diagram 1/5 SPL Main Circuit Diagram 2/5 SPL Main Circuit Diagram 3/5 SPL Main Circuit Diagram 4/5 SPL Main Circuit Diagram 5/5 Hvps Circuit Diagram 1/2 THVHvps Circuit Diagram 2/2 4KVSmps Circuit Diagram 110V 1/2 Smps Circuit Diagram 110V 2/2 CON2-14MANUAL CON2-25EXIT