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Samsung SCX4521F Support Question

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Question posted by cacaculi on May 22nd, 2011

Hi..what Does Main Lsu Error?

HI...WHATT DOES THAT MAIN LSU-ERROR?HOW CAN REPAIR MY PRINTER;MODEL SCX-4521F.TYPE NO: WT21MFF ? PLEAS HELP ME

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Related Samsung SCX4521F Manual Pages

User Manual (ENGLISH) - Page 55

...purchasing or after you bought your machine. (Error cases: CRU Fuse Error, Low Heat Error, LSU Error.) • When notification day and notification...faxes. Notification cases are saved in cold water. For the SCX-4521F, incoming faxes are like this feature. At this stage, the... password to redistribute the toner. If it from the printer. 3 Gently shake the toner cartridge from side to...

User Manual (ENGLISH) - Page 62

... machine is already engaged. "Loading Paper" on page 7.14. Display Low Heat Error Open Heat Error [Over Heat] Group Not Available (only for SCX4521F) [Incompatible] (only for SCX4521F) [Line Busy] (only for SCX4521F) [Line Error] (only for SCX4521F) Load Document [LSU Error] Memory Dial Full (only for SCX4521F) Out of Range [Paper Jam 0] Open/Close Door [Paper Jam 1] Open/Close...

User Manual (ENGLISH) - Page 65

...on page 8.5. See "Cleaning the Drum" on the display. 2. Clean the inside of the LSU part inside of faded or smeared defects may notice a reduction in print quality. See "Cleaning...on page 8.2). If necessary, replace the toner cartridge. Contact a service representative. An error occurs repeatedly when you may indicate that it does not contain blank pages. Press Menu...

User Manual (ENGLISH) - Page 68

... "Setting the Paper Size and Type" on page 2.11. 9.11...port, for example, LPT1. It will help to see if it can cause line errors. • Check your scanning glass for SCX-4521F) Condition Suggested solutions The machine is not... with a small strip of text at the bottom of memory required to the ECP printer mode through BIOS setting. If the display shows a "Memory Full" message, delete ...

User Manual (ENGLISH) - Page 97

... already installed more than one Samsung printer, first select the printer model you to Printer Specifications in use . You can order replacement toner cartridge online. 5 Using Smart Panel Smart Panel is installed automatically when you are compatible with your printer, refer to customize the printer's settings. Understanding Smart Panel If an error occurs while printing, Smart Panel...

Service Manual - Page 13

...Minute local area network pound(s) Laser Beam Printer Liquid Crystal Display Light Emitting Diode Low temperature and low marshy place Laser Scanning Unit megabyte megahertz Multi ... Modulation Quick Printer Initiating Device quantity Random Access Memory Read Only Memory Second Cassette Feeder Switching Mode Power Supply Samsung Printer Graphic Processor Samsung Printer Language Simultaneous ...

Service Manual - Page 25

... Manual 3-3 The temperature of the roller is coated with Teflon. This ensures that toner does not adhere to the lamp. • Safety device - LSU power is cut off when the front cover is opened - Fuser power is cut off mains power to the roller surface. 3.1.4.5 Safety Features • To prevent overheating - 1st protection...

Service Manual - Page 27

...device(ver 1.1) interface control. Parallel interface control. A4 :202 x 291 mm - Main Board has a function of the machine, controlling motor Driving Circuit and monitoring Paper Exit Sensor, Cover Open switch, OPE Panel Inputs. 2) Main...main CPU and is made up time : within 35sec (Ambient : 25 °C) 3.2.1 Main Board Control Part Main control part of SCX-4521F... : LSU(Laser Scanning ...

Service Manual - Page 30

Friction Pad Type 6) MLDanDuarlivTerar yci:rc1itsheet 7) Driver Type : Driving by Gearing from Main Motor 8) Pick_up Roller Driver : Solenoid P9ro)tPeicctkourppRanoellelr Rubber MLaDte(Lriaals:eErPDDioMd+eI)R =1.3 or more 10) Pick up on the OPC Drum. 3.2.5 Line Interface Part Line interface part helps the machine connect to the SCX-4521F machine. Its main function is included in the ...

Service Manual - Page 34

...has a MICOM Chip on it and communicates with Main CPU using Serial communication Line(SIO). STANDARD>FINE>... 3 Copy Reduce/Enlarge No.of Copies (IC-POSI, ADSUST REG) U7 Original Type (IC-CMOS LOGIC, INVER TER) U10 Darkness (IC-MOTOR DRIVER) U12 Favorite Copy...System Status display Alarm, Error Message display Function Dialog Message display 3-12 Service Manual Samsung Electronics Number ...

Service Manual - Page 53

... the 5.9) - Unplug the all Connectors from the Main PBA, as shown below. Thermister LIU Clutch SMPS/HVPS Main Motor LSU DEVE 3. Remove the six screws securing the Main PBA and remove it. Disassembly and Reassembly 5.15 Main PBA 1. Main PBA 5-16 Service Manual Samsung Electronics Before you remove the Main PBA, you should remove: - Scan Ass'y (Refer...

Service Manual - Page 77

...remote fax didn't answer. tech mode user mode When the machine has encountered the Laser Beam Scanning unit could not connect to redial counter in case of redial up ...PAPER JAM 0 PAPER JAM 1 PAPER JAM 2 Communication Error Line Error NO ANSWER INCOMPATIBLE LINE BUSY POWER FAILURE STOP PRESSED MEMORY FULL FUSER ERROR LSU ERROR LSU ERROR TONER LOW TONER EMPTY LCD Display Document Jam [Front or...

Service Manual - Page 80

.../Off THV On/Off ADC value displayed. The LSU motor starts and "Laser Ready" is displayed if the motor spins at the correct speed, otherwise "Laser Error" is chosen. Automatically stops, when the execution ... key chosen and it automatically stops, when the execution is chosen.On this function, the main motor runs before 2sec from thermistor and ADC. Target value is on in order to be...

Service Manual - Page 87

... Micom which made of FACSIMILE can communicate with Chorus2 through UART for only printer is used in the Chorus2 Main Controller ASIC and Image processor and CIS Interface part is used for OPE Panel part. Engine H/W Specification 1) Recording Method : LSU(Laser Scanning Unit) 2) Printing Speed : 16ppm (In continuing printing base A4, printing pages from...

Service Manual - Page 88

...; DMA Control (5-Channel) ▶ Interrupt Control. ▶ 2-port USB Host/1-port USB device(ver 1.1) interface control. ▶ Parallel interface control. ▶ UART(2-Channel) ▶ Synchronous Serial Interface ...LSU of the machine, controlling motor Driving Circuit and monitoring Paper Exit Sensor, Cover Open switch, OPE Panel Inputs. 2) Main Controller -CPU : Chorus2 is the main CPU and is made of SCX...

Service Manual - Page 96

Power On OP Panel ON? Main PBA error - Troubleshooting 6.1 Checking Symptoms Troubleshooting Before attempting to "Solution of the problem from the customer. No Power - Power Module error - LCD Panel error Indicate Error Massage Refer to Error Massage Refer to repair the printer first obtain a detailed description of Image Problem" Samsung Electronics Service Manual 6-1 ...

Service Manual - Page 97

... "Warming Up" appear on the LCD Panel a standard error message? --> Refer to section 6.5 6. Check the Paper... printing a test page from a computer. --> If there is an error check cables and driver installation. 5. Check consumables (toner etc.). •...8226; Is there any broken or badly formed characters? --> Check the main PBA and cable harness. • Is the message on the display? ...

Service Manual - Page 105

...to check cover switch operation. The 'Open Cover' microswitch may be damaged or broken 3. Replace the Main Control board or HVPS as necessary. 6-10 Service Manual Samsung Electronics Check and Cause 1. Solution 1. Solution... and cables between HVPS and main PBA. Replace the Main Control board or HVPS S/W as necessary. 6.3.7 No error message when the cover is closed.

Service Manual - Page 106

... SMPS display does not come on and no start up sounds are heard. 3. Replace LSU. 24V unstable replace SMPS, if the problem persists replace the main PBA. If the problem persists replace the main PBA. Solution 1. Troubleshooting 6.3.8 Defective motor operation • Description Main motor is turned on the LCD panel does not come on.

Service Manual - Page 144

...SA SNA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA ͢ Service Parts List(Model: SCX-4521F/TEC) Drawer# 7.1-1 7.1-2 7.1-3 7.1-5 7.1-6 7.1-6-2 7.1-7 7.1-8 7.1-9 7.1-10 7.1-12 7.1-13 7.1-13-1 7.1-13-2 7.1-14...-P-MAIN BOARD;SCX-4521F,SECC,0.8, JC63-00665A GROUND-P-MAIN BOARD;SCX-4521F,SUS304CSP, JC61-01182A BRACKET-P-PORT;SCX-4521F,SECC,0.8,29.8,1 JC92-01726A PBA MAIN-WHITNEY_PLUS;SCX-4521F,...

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