Samsung ML-1210 Signs and Measures at Poor toner cartridge, Partially blank, Image, Contamination

Page 35

Troubleshooting

4-5-4 Signs and Measures at Poor toner cartridge

 

 

 

Fault

Signs

Cause & Check

Solution

 

 

 

 

 

 

 

 

 

Light image and

• The printed image

1. If the image is light or unclean

1. All of 1, 2, 3 above-

 

partially blank

is light or unclean

and untidy printed image -

(1)The weight of the developer

 

image

and untidy.

Shake the developer and

ended: 800g ± 20g

 

(The life is ended.)

 

then recheck.

(2)If it become better by shaking,

 

 

 

 

 

• Some part of the

(1)NG: Check the weight of the

replace with a new developer

 

 

 

Digital Printer

 

image is not print-

developer

after 50-100 sheets in the clos-

 

 

 

 

ed.

(2)OK: Lack of toner, so the life

ing state of the life span.

 

 

 

Digital Printer

 

 

 

 

 

 

is nearly closed.

2. In case of 2-

 

 

 

Digital Printer

 

 

 

 

 

 

• Periodically a noise

2. Some part of image is not

If it becomes better after clean-

 

 

 

Digital Printer

 

 

 

 

 

as "tick tick" occurs.

printed - Shake the develop-

ing the LSU window, then the

 

 

 

Digital Printer

 

 

er and then recheck.

developer is normal.

 

 

 

 

 

 

(1)NG: Check the weight of the

(Because of foreign substance

 

 

 

 

 

 

developer and clean

on the LSU window, the image

 

 

 

 

 

 

the LSU window with a

has not been printed partly.)

 

 

 

 

 

 

cotton swab, then

 

 

 

 

 

 

 

recheck.

 

 

 

 

 

 

 

(2)OK: Lack of toner, so the life

 

 

 

 

 

 

 

is nearly closed.

 

 

 

 

 

 

 

3. Periodically a noise as "tick

3. In case of 3-

 

 

 

 

 

 

tick" occurs - Measure the

If the cycle of noise is about 2

 

 

 

 

 

 

cycle and the weight of the

seconds, the toner inside the

 

 

 

 

 

 

developer.

developer has been nearly

 

 

 

 

 

 

 

exhausted.( Purchase and

 

 

 

 

 

 

 

replace with a new developer

 

 

 

 

 

 

 

after using about 200 sheets at

 

 

 

 

 

 

 

the point of occurrence)

 

 

 

 

 

 

4. White vertical stripes on the

4. In case of 3-

 

 

 

 

 

 

whole screen or partly :

This is a phenomenon caused

 

 

 

 

 

 

Check the weight of the

by lack of toner, so replace with

 

 

 

 

 

 

developer.

a new developer.

 

 

 

 

 

 

Toner

• Toner is fallen on

1. Toner is fallen on the paper

1. If both ends of the OPC drum

 

Contamination

the papers periodi-

periodically.

are contaminated with toner:

 

 

 

 

 

cally.

(1)Check the cycle of the

Check the life of the developer.

 

 

 

 

 

 

falling of the toner.

(In case of less than 820g, the

 

 

 

 

 

• Contaminated with

(2)Check the appearance of

life may be expired.)

 

 

 

 

 

toner on prints part-

both ends of the developer

 

 

 

 

 

 

ly or over the whole

OPC drum.

 

 

 

 

 

 

surface.

 

 

 

 

 

 

 

 

2.The center of the printed mat-

2. Check whether it could be recy-

 

 

 

 

 

 

ter is contaminated with toner.

cled.

 

 

 

 

 

 

(1)Check whether foreign sub-

 

 

 

 

 

 

 

stances or toner are stuck

 

 

 

 

 

 

 

to the terminal (contact

 

 

 

 

 

 

 

point) of the developer.

 

 

 

 

 

 

 

(2)Check whether the state of

 

 

 

 

 

 

 

the terminal assembly is

 

 

 

 

 

 

 

normal.

 

 

 

 

 

 

 

 

3. If it cannot be recycled:

 

 

 

 

 

 

 

Replace the developer.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4-22

Samsung Electronics

Page 34 Page 36
Image 35
Page 34 Page 36
Contents Laser Printer Version no This manual is stated and provided for service description Replacing Precautions Safety PrecautionsPrecautions on Disassembly and Reassembly Safety PrecautionsElectronic Scale Tools for TroubleshootingToner ML-1210 ML-1220M ML-1250 EngineController PaperOther Covers Cover AssemblyFront Cover LSULaser Scanning Unit LED Panel PBATransfer Roller Motor AssemblyHvps Board Fuser AssemblyThermostat and Halogen Lamp Smps Board Main Board and Sensor Board Cause and solution of the malfunction How to use DCUCause and solution of Bad image Cause and solution of the bad dischargeCode How to use DCUDCU Setup Self Diagnostic Mode Fan Test Self Test ButtonPaper Path Layout PTL TestVertical White Line Cause and solution of Bad imageCheck and Cause Solution Vertical Black Line and BandBlack/White Spot Horizontal Black BandDark Image or a Black Light ImageBackground Uneven DensityGhost Description Digital Printer Satins on the FaceTerminal of the supply roller Blank Page Print out Satins on Back2 JAM Cause and solution of the bad dischargeWrong Print Position 4 JAM 3 JAMPaper rolled in the fuser Multi-Feeding7 OPC All LEDs blinking Scan Error Cause and solution of the malfunctionAll LEDs blinking Fuser Error Paper Empty without indication Not function of the gear of the fuser due to melting awayPaper Empty Cover Open No lamp on when the cover is openDefective motor operation No PowerVertical Line Getting Curved Service for the Life of Toner Cartridge Toner Cartridge ServicePrecautions on Safe-keeping of Toner Cartridge Image Fault Signs Cause & Check Solution Light imageSigns and Measures at Poor toner cartridge Partially blankRecycled product Fault Signs Cause & Check Solution White Black spotFault Signs Cause & Check Solution Ghost & Image Printer is not working Cause and solutions of bad environment of the softwareUtilities program Abnormal Printing How to delete the data in the spool manager Spool ErrorExploded Views and Parts List Service Parts List Exploded Views and Parts ListExploded Views and Parts List No Description Front AssemblyEngine/Frame Lower Assembly 15-2 15-1 14-2 Shield Engine Unit Assembly Plate-Upper Unit Assembly RX Drive AssemblyBlock DiagramGDI Block DiagramPanel Block DiagramPCLConnection DiagramGDI Connection DiagramLSU Connection DiagramPCLRepair Manual Diagram 1250 GDI Connection DiagramML-1210/ML-1220M Connection DiagramPCL PCL Connection DiagramML-1250Schematic Diagrams Main Circuit Diagram 2/5 Main Circuit Diagram 3/5 Main Circuit Diagram 4/5 Main Circuit Diagram 5/5 PC L Main Circuit Diagram 1/9 PCL Main Circuit Diagram 2/9 PCL Main Circuit Diagram 3/9 PCL Main Circuit Diagram 4/9 PCL MainCircuit Diagram 5/9 PCL Main Circuit Diagram 6/9 PCL Main Circuit Diagram 7/9 PCL Main Circuit Diagram 8/9 PCL Main Circuit Diagram 9/9 Hvps Circuit Diagram 1/2 Hvps Circuit Diagram 2/2 Smps Circuit Diagram No Marking Resistor 1/4W-J 5% Panel Circuit Diagram Page Samsung Electronics Digital Printing CS Group Contents
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