Samsung ML-1650, ML-1651N specifications Ghost

Page 34

Troubleshooting

4-2-9 Ghost (1)

•Description Ghost occurs at 96 mm intervals of the OPC drum in the whole printing.

Digital Printer

Digital Printer

Digital Printer

Digital Printer

Digital Printer

Digital Printer

96 mm

 

Check and Cause

 

Solution

 

 

 

 

1.

Bad contacts caused by contamination

1.

Clean the terminals when contaminated by

 

from toner particles between high voltage

 

toner particles.

 

terminal in the main body and the elec-

 

 

 

trode of the Developer.

 

 

2.

Bad contacts caused by contamination

2.

Occur in the developer cartridge, replace

 

from toner particles between high voltage

 

the developer and try to print out.

 

terminal in the main body and the one in

 

 

 

the HVPS board.

 

 

3. The life of developer is expired.

3.

Replace the engine board if not solved by

 

 

 

the above directions 1-2.

4. Transfer roller lifetime(125,000 sheets)

4.

If not solved by the direction 3, check the

 

has expired.

 

transfer roller lifetime and replace it.

5. Abnormal low temperature(below 10°C).

5.

Wait about 1 hour after power on before

 

 

 

using printer.

6. Damaged cleaning blade in the developer.

6.

Occur in the developer cartridge, replace

 

 

 

the developer and try to print out.

 

 

 

 

4-2-10 Ghost (2)

• Description

Ghost occurs at 96 mm intervals of the OPC drum in the whole printing. (When printing on card stock or transparencies using manual feeder)

Digital Printer

Digital Printer

Digital Printer

Digital Printer

Digital Printer

Digital Printer

96 mm

Check and Cause

Solution

 

 

 

 

When printing on card stock thicker than nor-

Select 'Thick Mode' on paper type menu from

mal paper or transparencies such as OHP,

the software application and after using return-

higher transfer voltage is required.

ing to the original mode is recommended.

 

 

 

4-10

Samsung Electronics

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Page 33 Page 35
Contents Laser Printer Version no This manual is stated and provided for service description Safety Precautions Read each caution carefullyPrecautions on Disassembly and Reassembly Releasing Plastic LatchesTools for Troubleshooting Electronic ScalePaper ML-1650 ML-1651N EngineController TonerML-1650 ML-1651N Environment NetworkReleasing Plastic Latches General Precautions on DisassemblyWhenever servicing the machine, you must perform as follows Transfer Roller Controller Board Pickup Assembly Main Cover Exit Assembly MP Multi-Purpose TrayLSU Hvps board10 Fan SolenoidDrive Assembly To remove the thermostat from the fuser assembly Fuser AssemblyTo remove the thermistor from the fuser assembly To remove the halogen lamp from the fuser assemblyGuide Feed & Erase Lamp To replace the nockup plate MPF Assembly and Miscellaneous on MPF AssemblyTo replace the pickup roller To replace the pickup holder and the Adjust End MP To replace the Paper Empty PE sensorEngine Board and Miscellaneous To replace the exit board To replace the actuator feed To remove the transfer guideCause and solution of the bad discharge How to use DCUCause and solution of Bad image Cause and solution of the malfunctionDCU Setup How to use DCUCode Self Diagnostic Mode Self Test Button Paper Path LayoutML-1650 Diagnostic Control Unit Quick Referance DCU PanelVertical Black Line and Band Cause and solution of Bad imageCheck and Cause Solution Vertical White LineHorizontal Black Band Black/White SpotLight Image Dark Image or a BlackUneven Density BackgroundGhost Satins on the Face Satins on Back Blank Page Print outWrong Print Position Cause and solution of the bad discharge2 JAM 3 JAM 4 JAMMulti-Feeding Paper rolled in the fuser7 OPC All LEDs blinking Fuser Error Cause and solution of the malfunctionAll LEDs blinking Scan Error Paper Empty Not function of the gear of the fuser due to melting awayPaper Empty without indication No lamp on when the cover is open Cover OpenNo Power Defective motor operationVertical Line Getting Curved Toner Cartridge Service Partially blank Fault Signs Cause & Check Solution Light imageSigns and Measures at Poor toner cartridge ImageFault Signs Cause & Check Solution White Black spot Recycled productFault Signs Cause & Check Solution Ghost & Image Cause and solutions of 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 Exploded Views and Parts List Service Parts List10-3 10-4 All Exploded Views and Parts List Cover Exploded ViewFrame Exploded View Exit Exploded View Rack-MPF Exploded View Fuser Exploded View Drive Exploded View Pick-Up Exploded View Cassette Exploded View Block Diagram Video ControllerBlock DiagramEngine Block Diagram SensorConnection Diagram VPS
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ML-1650, ML-1651N specifications

The Samsung ML-1651N and ML-1650 are reliable monochrome laser printers designed for small to medium-sized businesses and home offices. These printers offer a blend of performance, efficiency, and affordability, making them suitable for various printing needs.

One of the standout features of both models is their print speed. The ML-1651N boasts a speed of up to 22 pages per minute, while the ML-1650 offers a slightly lower speed but still impressive for standard office tasks. This fast output is complemented by a first page print time of approximately 8.5 seconds, ensuring that users can quickly produce documents without unnecessary delays.

In terms of print quality, both printers deliver sharp, clear black text and detailed graphics, thanks to a print resolution of up to 1200 x 1200 dpi. This high resolution is essential for producing professional-looking documents, which is crucial in a business environment.

The Samsung ML-1651N and ML-1650 are equipped with a 250-sheet input tray, accommodating various paper sizes and types. Additionally, both printers support manual duplex printing, allowing users to save paper by printing on both sides of the page. The ML-1651N also features a built-in network interface, providing easy connectivity for multiple users on a local network. This is particularly beneficial for businesses where collaboration and document sharing are essential.

Another noteworthy characteristic is their energy efficiency. Both models comply with Energy Star standards, reducing electricity consumption and helping organizations lower their operational costs. The Eco Mode feature further enhances sustainability by optimizing power usage during printing tasks.

The compact size of the ML-1651N and ML-1650 makes them suitable for smaller workspaces where printer footprint is a consideration. Despite their size, they have a robust build quality, ensuring longevity and reliability in daily use.

Lastly, both models are compatible with various operating systems, including Windows and Mac, ensuring versatility in different computing environments. With their blend of speed, efficiency, and quality, the Samsung ML-1651N and ML-1650 remain solid contenders in the monochrome laser printer market. They are ideal choices for users seeking reliable, cost-effective solutions for their printing requirements.
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