Samsung ML-1651N, ML-1650 specifications Cover Open, No lamp on when the cover is open

Page 43

Troubleshooting

4-4-6 Cover Open

• Description

The ERROR lamp is on even when the print cover is closed.

 

Check and Cause

 

Solution

1. The hook lever in the top cover may be defective.

1.

Replace the hook lever, if defective.

2. Check the connector (CN1 : Engine B’dHVPS) and

2.

Check the insertion of the Cover Open S/W

circuit of the cover switch department in the Main Control

 

Connect.

board. Perform DCU mode : If Error state '64' occurs,

 

 

Check the related codes of the Cover Open Error.

 

 

 

 

3.

Replace the Main Control board or Cover Open

 

 

 

S/W.

 

Hook Lever

 

 

4-4-7 No lamp on when the cover is open

• Description

The ERROR lamp does not come on even when the printer cover is open

 

 

 

 

 

Check and Cause

 

Solution

 

 

 

1. Check the connector(CN8) and circuit of the cover switch

1.

Check the insertion of the Cover Open S/W

department in the Main Control board. Perform DCU

 

Connect.

mode : If Error state '64' occurs, Check the related codes

 

 

of the Cover Open Error

 

 

 

 

2.

Replace the Main Control board or Cover Open

 

 

 

S/W.

 

 

 

 

 

 

 

 

Samsung Electronics

4-19

Image 43
Contents Laser Printer Version no This manual is stated and provided for service description Read each caution carefully Safety PrecautionsReleasing Plastic Latches Precautions on Disassembly and ReassemblyElectronic Scale Tools for TroubleshootingToner ML-1650 ML-1651N EngineController PaperNetwork ML-1650 ML-1651N EnvironmentReleasing Plastic Latches General Precautions on DisassemblyWhenever servicing the machine, you must perform as follows Transfer Roller Controller Board Pickup Assembly Main Cover MP Multi-Purpose Tray Exit AssemblyHvps board LSUSolenoid 10 FanDrive Assembly To remove the halogen lamp from the fuser assembly Fuser AssemblyTo remove the thermistor from the fuser assembly To remove the thermostat 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 Paper Empty PE sensor To replace the pickup holder and the Adjust End MPEngine Board and Miscellaneous To replace the exit board To remove the transfer guide To replace the actuator feedCause and solution of the malfunction How to use DCUCause and solution of Bad image Cause and solution of the bad dischargeDCU Setup How to use DCUCode Self Diagnostic Mode Paper Path Layout Self Test ButtonDCU Panel ML-1650 Diagnostic Control Unit Quick ReferanceVertical 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 Satins on the Face Blank Page Print out Satins on BackWrong Print Position Cause and solution of the bad discharge2 JAM 4 JAM 3 JAMPaper rolled in the fuser Multi-Feeding7 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 Cover Open No lamp on when the cover is openDefective motor operation No PowerVertical Line Getting Curved Toner Cartridge Service 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 List10-3 10-4 Cover Exploded View All Exploded Views and Parts ListFrame Exploded View Exit Exploded View Rack-MPF Exploded View Fuser Exploded View Drive Exploded View Pick-Up Exploded View Cassette Exploded View Video ControllerBlock Diagram Block DiagramSensor Engine Block DiagramVPS Connection Diagram
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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.