Vertical Line Getting Curved | Samsung ML-1700 instruction

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

7.3.10 Vertical Line Getting Curved

• Description	When printing, vertical line gets curved.

	Check and Cause	Solution

1. If the supply of +24v is unstable in the Main Control board		1. Replace LSU.
linking with LSU, check drive by DCU Mode : LSU Check
-05- LSU Motor on.
		2. Replace the Main Control board.

Service Manual

7-16

Samsung Electronics

Image 81

Samsung ML-1700 specifications Vertical Line Getting Curved

Contents

Specifications PrecautionsTroubleshooting Block Diagram Electronics 2003 Precautions Precaution related electric shock or fire Precaution related noxious material Precaution when assembly/disassembly Precaution related handling the machine ESD Precautions DCUDiagnostic Control Unit Driver Tool for Troubleshooting LSU Acronyms and Abbreviations 1 A4 5% Pattern Sample Pattern for the Test 2 A4 2% Pattern 3 A4 IDC Pattern Samsung Electronics General Specifications Specifications Controller Specification Electrical SpecificationEnvironmental Range Toner Cartridge Developer Paper Handling Specifications Specifications Front View Printer Components Inside View Rear View Control Panel On Line/Error and Toner Save LEDs Printing demo Cancel button Fuser System Layout Transfer Ass’y Feeding PartDriver Ass’y Fixing PartFuser LSU Laser Scanner Unit Safety Relevant Facts Toner Cartridge Main Pbaspl Model Flash Memory Asic JupiterSdram Sensor input circuit Paper Exit Sensing Paper Feeding, Toner Cartridge SensingCover Open Sensing DC FAN / Solenoid Driving Sdram Regulator Clock Generator Buffer Motor Drive Main PBA PCL Model ML-1710 ML-1510 ML-1750 Memory AsicSPGPm AHB BUS SPGPm Internal Block Diagram Smps & Hvps HVPSHigh Voltage Power Supply Rated Power Output SMPSSwitching Mode Power SupplyConsumption Power Length of Power Cord 1830 ± 50mm Power Switch Use Fuser AC Power Control Drive Engine F/WTransfer Feeding Fusing Heat Lamp MethodPID Method 5 LSU What is the Q-PID Method? General Precautions on Disassembly Releasing Plastic LatchesWhenever servicing the machine, you must perform as follows Top Cover FuserHeat Lamp Type Fuser FuserQ-PID Type Unplug Thermister Harness from the Fuser cover LSU Exit Roller Driver Ass’y Fan Main PBA Engine Shield Ass’y Smps Transfer Roller Feed Roller Pick Up Roller & Solenoid DCU Setup How to use DCU Error Code CodeNormal Code Code Description Self Diagnostic Mode 13 THV+ TRIGGER. ALL HV Functi on Enter Up/ Dow n Stop Remar k Self Test Button Paper OutFace Up Paper Path Paper Exit Area JAM2 Clearing Paper Jams Around the Toner Cartridge JAM1 Paper Feed Area JAM0 Tips for Avoiding Paper Jams Printing a Demo Sample Pattern Printing a cleaning sheet LED Status Display by Each Error Consumables and Replacement Parts Roller Defective image Typical defect Periodic Defective Image Samsung Electronics Bad image Vertical Black Line and BandVertical White Line Black/White Spot Horizontal Black Band Dark Image or a Black Light Image Background Uneven Density Ghost Satins on the Face Blank Page Print out Satins on Back Bad discharge Wrong Print Position2 JAM 4 JAM 3 JAM Paper rolled in the Fuser Multi-Feeding Paper rolled in the Toner Cartridge OPC Drum All LEDs blinking Fuser Error All LEDs blinking Scan ErrorMalfunction Not function of the gear of the fuser due to melting away Paper EmptyPaper Empty without indication Cover Open No lamp on when the cover is open Defective motor operation No Power Vertical Line Getting Curved Precautions on Safe-keeping of Toner Cartridge Toner Cartridge ServiceService for the Life of Toner Cartridge Redistributing Toner Image Signs and Measures at Poor toner cartridge Fault Signs Cause & Check Solution White Black spot Printer is not working Bad Environment of The Software Utilities program Abnormal Printing How to delete the data in the spool manager Spool Error Exploded 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 Parts List Drive Unit Assembly Cassette Unit Assembly Cassette Unit Assembly Parts List Fuser Unit Assembly Fuser Unit Assembly Parts List Samsung Electronics 9Block Diagram 9.1 PCL Model Motor DR PART’S SPL Model PCL Model Connection Diagram Computer PCL Main Circuit Diagram 1/7 Schematic Diagrams PCL 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 THV Hvps Circuit Diagram 1/2 4KV Hvps Circuit Diagram 2/2 Smps Circuit Diagram 110V 1/2 CON2-14MANUAL CON2-25EXIT Smps Circuit Diagram 110V 2/2