Samsung CLP-31 Series Service Manual
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Samsung CLP-31 Series Service Manual

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SERVICE
Samsung Clolr Laser Printer
CLP-310N
Color Laser Printer
CLP-31x Series
CLP-310/315/310N/315W
Basic Model : CLP-310,CLP-315
Manual
The keynote of Product
The smallest / The lowest noise
High Quality Muti-path CLBP
- Model series : CLP-310/315
CLP-310N (Network model)
CLP-315W (Wireless model)
- Speed(Color/Mono) : 4/16 ppm(A4). 4/17ppm(Let)
- Printing resolution : Max. 2,400 x 600 dpi
- Emulation : SPL-C
- Memory : 32 MB (Network model : 32MB)
64 MB (Wireless model : 64MB)
- Processor : Jupiter 360MHz (CLP-310/315/310N)
Chorus 360MHz (CLP-315W)
- Interface : IEEE 802.3,Ethernet(10/100Mbps)
Wireless: IEEE 802.11b/g(Only wireless
model)
- Toner Cartridge
• Initial : 1K Toner(K), 0.7K Toner(C,M,Y, each)
• Sales : 1.5K Toner(K), 1K toner(C, M, Y each)
- Printer Life : 100,000 pages
Monthly Max. Duty : 20,000 pages/month

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Summary of Contents for Samsung CLP-31 Series

  • Page 1 Color Laser Printer CLP-31x Series CLP-310/315/310N/315W Basic Model : CLP-310,CLP-315 Manual SERVICE Samsung Clolr Laser Printer The keynote of Product The smallest / The lowest noise High Quality Muti-path CLBP - Model series : CLP-310/315 CLP-310N (Network model) CLP-315W (Wireless model) - Speed(Color/Mono) : 4/16 ppm(A4).
  • Page 2 GSPN (Global Service Partner Network) North America : service.samsungportal.com Latin America : latin.samsungportal.com CIS : cis.samsungportal.com Europe : europe.samsungportal.com ⓒ Samsung Electronics Co.,Ltd. January. 2008 China : china.samsungportal.com Printed in Korea. Asia : asia.samsungportal.com VERSION NO. : 1.00 CODE : 0310-C0SEE...

  • Page 3: Table Of Contents

    Contents Precautions 1.1 Safety Warning •••••••••••••••••••••••••••••••••••••••••••••••••••••••1-1 1.2 Caution for safety ••••••••••••••••••••••••••••••••••••••••••••••••••••1-2 1.3 ESD Precautions •••••••••••••••••••••••••••••••••••••••••••••••••••••1-5 Product spec and feature 2.1 Product Specifications ••••••••••••••••••••••••••••••••••••••••••••••2-1 2.1.1 Product Overview •••••••••••••••••••••••••••••••••••••••••••••••2-1 2.1.2 Prouduct Specification •••••••••••••••••••••••••••••••••••••••••2-2 2.1.3 Model Comparison Table •••••••••••••••••••••••••••••••••••• 2-10 2.2 System Overview••••••••••••••••••••••••••••••••••••••••••••••••••• 2-11 2.2.1 System Structure •••••••••••••••••••••••••••••••••••••••••••••...
  • Page 4 Continued Disassembly and Reassembly 3.1 Precautions when replacing parts ••••••••••••••••••••••••••••••••3-1 3.1.1 Precautions when assembling and disassembling •••••••3-1 3.1.2 Preautions when handling PBA ••••••••••••••••••••••••••••••3-1 3.1.3 Releasing Plastic Latches ••••••••••••••••••••••••••••••••••••3-1 3.2 Parts for Maintenance and Repair ••••••••••••••••••••••••••••••••3-2 3.2.1 Replacement interval for parts with a limited life •••••••••3-2 3.2.2 Printer Cleaning •••••••••••••••••••••••••••••••••••••••••••••••••3-3 3.3 Information Related to Disassembly and Assembly •••••••••••3-4 3.3.1 Special service parts •••••••••••••••••••••••••••••••••••••••••••3-4...
  • Page 5 Continued 4.1.4 Sample Pattern••••••••••••••••••••••••••••••••••••••••••••••••••4-8 4.1.5 Periodic Defective Image ••••••••••••••••••••••••••••••••••• 4-10 4.1.6 How to use EDC (Engine Diagnostic Control) Mode •• 4-11 4.2 Troubleshooting •••••••••••••••••••••••••••••••••••••••••••••••••••• 4-17 4.2.1 Procedure of Checking the Symptoms ••••••••••••••••••• 4-17 4.2.2 Troubleshooting Checklist •••••••••••••••••••••••••••••••••• 4-18 4.2.3 Solving General Printing Problems ••••••••••••••••••••••• 4-19 4.2.4 Solving Print Quality Problems •••••••••••••••••••••••••••••...
  • Page 6 Continued Parts Catalog Power Cord ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 2 Thumbnail ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 3 1. Main •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 4 2. Cover Front ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 7 3. Cover Top ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••• 9 4. Rear Cover •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••11 5. Transfer Unit •••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••13 6. Frame1 ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••15 7. Frame2 ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••17 8. Main Drive1 ••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••••19 9.

  • Page 7: Precautions

    High voltages and lasers inside this product are dangerous. This printer should only be serviced by a suitably trained and qualified service engineer. (2) Use only Samsung replacement parts There are no user serviceable parts inside the printer. Do not make any unauthorized changes or additions to the printer, these could cause the printer to malfunction and create electric shock or fire haz- ards.

  • Page 8: Caution For Safety

    Take care not to cut or damage the power cable or plugs when moving the machine. (9) Use caution during thunder or lightening storms. Samsung recommend that this machine be disconnected from the power source when such weather conditions are expected. Do not touch the machine or the power cord if it is still connected to the wall socket in these weather conditions.
  • Page 9 1.2.4 Assembly / Disassembly Precautions Replace parts carefully, always use Samsung parts. Take care to note the exact location of parts and also cable routing before dismantling any part of the machine. Ensure all parts and cables are replaced correctly.
  • Page 10 - The equipment shall be installed near the socket outlet and shall be accessible. - Be sure to fix and plug in the power cable securely after the installation so that no one trips over it. Samsung Electronics Service Manual...

  • Page 11: Esd Precautions

    9. Minimize bodily motions when handling unpackaged replacement ESDs. Normal motions, such as the brushing together of clothing fabric and lifting one’s foot from a carpeted floor, can generate static electricity sufficient to damage an ESD. Samsung Electronics Service Manual...

  • Page 12: Product Spec And Feature

    • No LCD, 1 keys and 6 LEDs 8. Toner cartridge • Black : 1K (initial) / 1.5K (sales) • Color : 0.7K (initial) / 1K (sales) 9. Color • There are two kinds of colors. (Gray and Black) Service Manual Samsung Electronics...

  • Page 13: Prouduct Specification

    210 x 297 mm (A4) 216 x 279 mm (Letter) 216 x 279 mm (Letter) 216 x 355.6 mm (Legal) 216 x 355.6 mm (Legal) Print Margin Side Margin: 4.23±2mm Side Margin: 4.23±2mm Top Margin: 4.23±3mm Top Margin: 4.23±3mm Service Manual Samsung Electronics...
  • Page 14 -Color mode(Color, Gray scale) -Color mode(Color, Gray scale) [Linux] [Linux] - N-up printing - N-up printing -Quality(Best,Normal,Draft) -Quality(Best,Normal,Draft) [Common] [Common] -N/W Install -N/W Install during driver install during driver install WHQL Windows 2000 including vista Windows 2000 including vista Service Manual Samsung Electronics...
  • Page 15 Smart Panel 310N : USB/Network 315W : USB/Network/Wireless Network Default Install Default Install Network Set IP.SWAS &SWS (Linux, Mac Management not support, SWAS&SWS need I explorer 5.0 or Higher) NA Management Smart Thru Smart Thru 4 Service Manual Samsung Electronics...
  • Page 16 - Linux OS: Red Hat 8~9, Fedora Core 1~4 Mandrake 9.2~10.1 & Suse 8.2~9.2 - Unix HP-UX, Solaris,SunOS SCO UNIX User Interface OP UI Key 1 EA, LED 6EA Key 1 EA, LED 6EA Sound UI Service Manual Samsung Electronics...
  • Page 17 Straight Through Paper Size 216 x 355.6mm(8.5”x14”) 216 x 355.6mm(8.5”x14”) 76 x 160mm(3”x6.3”) 76 x 160mm(3”x6.3”) Jam Rate Cassette 1/3,000 1/3,000 Multi-Feed Rate Cassette 1/1,500 1/1,500 Printing Skew 1.5/201.4mm (Cassette) 1.5/201.4mm (Cassette) Side 2.0/270.4mm (Cassette) 2.0/270.4mm (Cassette) Service Manual Samsung Electronics...
  • Page 18 JC97-03046A Approx. 100,000 black JC96-04840A pages or 50,000 color bages * Average A4-/letter-sized page count based on Std. ISO 19798 of individual colors on each page. Usage conditions and print patterns may cause results to vary. Service Manual Samsung Electronics...
  • Page 19 Transfer belt life Toner information Toner information Tray roller life Tray roller life Minimum System Requirement Pentium- Ⅱ 400MHZ, 64MB RAM, Pentium- Ⅱ 400MHZ, 64MB RAM, 300MB HDD, Internet Explorer 5.0 300MB HDD, Internet Explorer 5.0 Service Manual Samsung Electronics...
  • Page 20 1 CD for Driver, SmarThru 4 1 CD for Driver, SmartThru 4, EUG 1 CD for Driver, SmartThru 4, EUG Toner Cartridge 4 EA (0.7K/0.5K yield ISO 19752 4 EA (0.7K/0.5K yield ISO 19752 5% Coverage) 5% Coverage) Power Cable 1 EA 1 EA Printer Cable 1 EA 1 EA Service Manual Samsung Electronics...

  • Page 21: Model Comparison Table

    Product spec and feature 2.1.3 Model Comparison Table Samsung CLP-310 Samsung CLP-300 HP CLJ 1600 HP LJ 1022 Image Speed 16/4 ppm 16/4 ppm 8/8 ppm -> 12/10 18 ppm ppm (E) processor 360 MHz 300 MHz 264 MHz 266 MHz...

  • Page 22: System Overview

    DEVE Y DEVE Y DEVE M DEVE M DEVE C DEVE C DEVE K DEVE K T2 Roller T2 Roller Waste Waste Tank Tank Regi. Regi. Roller Roller Pick up Pick up Roller Roller Cassette Cassette 2-11 Service Manual Samsung Electronics...
  • Page 23 • Consisted of LD(Laser Diode) and Polygon Motor Control. Error Phenomenon Polygon Motor Error The Rotation of Polygon Motor can not reach stable Hsync Error Though the rotation of Polygon Motor reach stable, the signal of Hsync is not occurred 2-12 Service Manual Samsung Electronics...
  • Page 24 A pressure roller mounted under a heat roller is made of a silicon resin, and the surface also is coated with Teflon. When a paper passes between a heat roller and a pressure roller, toner adheres to the surface of a paper permanently. 2-13 Service Manual Samsung Electronics...
  • Page 25 • By driving the motor, it supplies the power to the feeding unit, the fusing unit, and the distributing unit. • The Main Motor is similar to CLP-300 Series Main Motor. ⑪ Wireless PBA (Only CLP-315W) • CLP-315W model has a Wireless PBA to use wireless network. 2-14 Service Manual Samsung Electronics...
  • Page 26 Blade on OPC on OPC ITB Unit ITB Unit P2: Image P2: Image on Media on Media Media Path Media Path Blade Blade Developer Developer Eraser Eraser Charger Charger Laser Scanning Unit Laser Scanning Unit 2-15 Service Manual Samsung Electronics...
  • Page 27 Belt (hereafter ITB) to form a color image on ITB 4. Toner Bottles are used to supply toner into developer compartment 5. Toner level is being sensed to control toner supply from toner bottle to developer 2-16 Service Manual Samsung Electronics...
  • Page 28 T2 Roll engagement and disengagement ⑥ Fusing • 3 Roll system -> short warm-up time (35sec) • Post Pressure Roll 1. Color Image on media is melted down and fixed into media by fusing process 2-17 Service Manual Samsung Electronics...

  • Page 29: Main Pba Description

    OPE & ITB (15P) USB Con. (6P) Key PTL(10P) Cover OPEN (2P) Pickup CLT (2P) Pickup CLT. (3P) SMPS (16P) CRUM Con. (5P) LSU Con.(16P) Empty. (3P) NAME CPU(Jupiter5) DDR2 (32MB) NOR FLASH(2MB or 4MB) EEPROM PHY Chip 2-18 Service Manual Samsung Electronics...
  • Page 30 OPE & ITB (15P) USB Con. (6P) Key PTL(10P) Cover OPEN (2P) Pickup CLT (2P) Pickup CLT. (3P) SMPS (16P) CRUM Con. (5P) LSU Con.(16P) Empty. (3P) W-LAN PBA NAME CPU(Chorus3) DDR2 (64MB) NOR FLASH(8MB) EEPROM PHY Chip 2-19 Service Manual Samsung Electronics...
  • Page 31 ▪ Voltage Core 1.0V, I/O 3.3V ▪ Package 416PBGA Flash Memory Used to store System Programs including the Operating System. ▪ Type NOR Flash ▪ Bus 16-bit width ▪ Size : 2MB (CLP-310/315) 4MB (CLP-310N) 8MB (CLP-315W) 2-20 Service Manual Samsung Electronics...
  • Page 32 ▪ Motor 1 BLDC ▪ LSU ▪ Fuser Control the Fuser’s temperature ▪ HVPS Control the high voltage outputs ▪ ADC Reading the Fuser’s temperature and the high voltage outputs’ feedback ▪ Cover Open Sensing 2-21 Service Manual Samsung Electronics...
  • Page 33 Peak Loading Current 2.2 A 2.7 A Ripple Noise <100mVp-p <500mVp-p Maximum Output 10.2W Peak Output 64.8W Protection for loading shortage and Shut down or Fuse Shut down or Output overflowing current Protection Voltage Drop 2-22 Service Manual Samsung Electronics...
  • Page 34 -595V 3% -595V 3% � Waste CHARGER CHARGER -1000V 3% -1000V 3% +1000V 3% +1000V 3% OPC Waste & � � ITB Tension Nip Exit +1550V 3% +1550V 3% � -1300V 20% -1300V 20% � 2-23 Service Manual Samsung Electronics...
  • Page 35 • Output voltage: AC 250V ~ 1650Vp-p 1.5% (supply voltage is connected to ZENER Diode 350V) DC -50V ~ -600V DC 3% • ERROR type: 1. if Deve is GND, density will be extremely down. 2. if Deve is floating (for insecure terminal contact), density will be extremely down. 2-24 Service Manual Samsung Electronics...

  • Page 36: Crum

    ■ Process after CRU life expiration 1) Record the information of End of Life. 2) Clear some information of Operation Area. -> Supplier/Model Name/MFC date/Serial Number (Manufacture Information) -> Let cartridge refiller initialize manufacture information and life span information. 2-25 Service Manual Samsung Electronics...

  • Page 37: S/W Structure And Descriptions

    Printer F/W. Hence the Status Monitor can stop polling because the Printer F/W informs the Status Monitor that printing job is complete. 2.3.3 Status Monitor Status Monitor has no user interface. It shows only HTML help when any error occurs during printing jobs. 2-26 Service Manual Samsung Electronics...

  • Page 38: Network Interface

    Set option value polling interval enable/disable Set last error status polling interval Sharing Registry Info System Status Monitor Printer Driver Registry Get option value Get last error status enable/disable polling interval Sharing Registry Info 2-27 Service Manual Samsung Electronics...

  • Page 39: System F/W Flow

    Color Registration measure Auto Color Registration pattern printing Video data Color Registration adjustment P Sync. Page Sync. modify Video signal L Sync. Line Sync. modify generator clock Video Clock Freq. modify temperat temperature control sensor 2-28 Service Manual Samsung Electronics...

  • Page 40: Alarm Shortage

    • SCF Cove Open 4. Service Call : Unrecoverable Error • Engine LSU Error • Main Motor Error • Engine Fuser Over(Low) Heat Error + Open Heat Error • Transfer Belt Error 5. Others • Ready IP Conflict 2-29 Service Manual Samsung Electronics...

  • Page 41: Crum Overview

    Product spec and feature 2.3.9 CRUM Overview - Stands for “Customer Replaceable Unit Monitor” - EEPROM, SAMSUNG CRUM is used for CRUM Memory. - CRUM stores various information on consumables (including consumables’ life). - In CLP-31x Series, total four CRUM’s are used...

  • Page 42: Initailize Flow

    Product spec and feature 2.3.11 Initailize Flow 2-31 Service Manual Samsung Electronics...
  • Page 43 Product spec and feature 2-32 Service Manual Samsung Electronics...

  • Page 44: Disassembly And Reassembly

    3.1.1 Precautions when assembling and disassembling * Use only approved Samsung spare parts. Ensure that part number, product name, any voltage, current or temperature rating are correct. Failure to do so could result in damage to the machine, circuit overload, fire or electric shock.

  • Page 45: Parts For Maintenance And Repair

    ** Image counts based on one color on each page. If you print documents in full color (Cyan, Magenta, Yellow, Black), the life of this item will be reduced by 25%. Service Manual Samsung Electronics...

  • Page 46: Printer Cleaning

    * Do not touch transfer roller when cleaning inside of machine. If transfer roller gets dirty, printing quality could be low. * Please refer to the User Manual for cleaning instructions. Service Manual Samsung Electronics...

  • Page 47: Information Related To Disassembly And Assembly

    (hot water sets the toner). Do not touch the developer roller surface as contamination will reduce print quality. Take care not to damage the roller’s surface when installing or removing a toner cartridge. Service Manual Samsung Electronics...

  • Page 48: Screws Used In The Printer

    SCREW-TAPTITE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6003-000196 SCREW-TAPTITE;PWH,+,B,M3,L10,NI PLT,SWRCH18A Fuser 6003-000282 SCREW-TAPTITE;BH,+,-,B,M3,L6,ZPC(WHT),SWRCH18A,- 6003-000282 LSU SCREW-TAPTITE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,- 6003-000282 LSU LD SCREW-TAPTITE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,- 6003-000282 Drum SCREW-TAPTITE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,- 6003-000282 Cartridge-Transfer SCREW-TAPTITE;BH,+,-,B,M3,L8,ZPC(BLK),SWRCH18A,- 6003-000152 SCREW-TAPTITE;PH,+,-,B,M2,L10,ZPC(WHT),SWRCH18A,- 6003-000196 Frame SCREW-TAPTITE;PWH,+,B,M3,L10,NI PLT,SWRCH18A 6006-001078 SCREW-TAPTITE;PH,+,WSP,B,M3,L10,ZPC(WHT),SWRCH18A,- 6002-000440 Rear Cover SCREW-TAPPING;PWH,+,-,2,M3,L8,ZPC(BLK),SWRCH18A,- 6003-000261 Top Cover SCREW-TAPTITE;BH,+,-,B,M3,L6,ZPC(WHT),SWRCH18A,- Service Manual Samsung Electronics...
  • Page 49 Fuser Ass'y GND JC39-00496A HVPS GND WIRE JC39-00904A Main CRUM-JOINT JC39-00906A HVPS EXIT HVPS Sensor(Regi) JC39-00897A HVPS Waste Toner Sensor JC39-00898A Sensor HVPS B'd 7-(4+3) (ITB Tension /OPC Waste) Main B’d Wireless LAN PBA 6(5) JC39-00970A Service Manual Samsung Electronics...
  • Page 50 procedures. If you find the certain unit or Assy, please consult the name of unit under the picture.
  • Page 53 connectors, 1 flat cable. And remove the one...
  • Page 54 first remove the harness cover after remove the...
  • Page 56 and 1 flat cable..
  • Page 58 The initial process to use the panel checks register’s values of key and LED. If user input key value, the operation to be defined by key value is processed and the LED operation to be defined by printer status is controlled. Service Manual Samsung Electronics...
  • Page 59 The application of manual feeding function in CLP-310 series will be determined - Firmware downloads mode function Turn on the printer at the same time that the button is pressed. If all LEDs scroll, release the button and download the firmware ROM file via USB port Service Manual Samsung Electronics...
  • Page 60 Shows the status of wireless network. When the LED on, the machine is ready. (Wireless models only) Status LED Shows the status of your machine. Stop Stops an operation at any time and there are more functions. Toner colors Show the status of each toner cartridge. Service Manual Samsung Electronics...
  • Page 61 After Status (Red) LED blinks seven times, Toner low LEDs blink one time. After Status (Red) LED blinks eight times, Toner low LEDs blink one time. After Status (Red) LED blinks nine times, Toner low LEDs blink one time. Service Manual Samsung Electronics...

  • Page 62: Cover

    1. Pull the tray out of the printer and remove the 2. To remove the jammed paper, open the rear jammed paper. cover. If you can not find the jammed the paper,Go to the next step. Service Manual Samsung Electronics...
  • Page 63 The inner cover and go to the next step. will then close automatically. 4. Push the fuser levers upwards. 7. Close the top cover. Make sure that it is securely closed. Service Manual Samsung Electronics...
  • Page 64 Alignment & Troubleshooting 8. Push the fuser levers downwards. 9. Open and then close the rear cover or front cover to resume printing. Service Manual Samsung Electronics...

  • Page 65: Sample Pattern

    Print a demo page to make sure that the printer is operating correctly. To print a demo page: In ready mode, press and hold the Stop button for 2 seconds. A demo page showing the printer’s features and capabilities is printed. Service Manual Samsung Electronics...
  • Page 66 6. Imaging-unit Information : shows image count, last used date, first installed date. 7. Network configuration report : shows network information set up in the printer. (Mac address, NIC F/W version, TCP/IP, IPP etc. ) Service Manual Samsung Electronics...

  • Page 67: Periodic Defective Image

    T1 roller Pressure Pressure Heat roller Heat roller roller roller T2 roller T2 roller Supply roller Supply roller Charge roller Charge roller Deve roller Deve roller Regi roller Regi roller Pick up roller Pick up roller 4-10 Service Manual Samsung Electronics...

  • Page 68: How To Use Edc (Engine Diagnostic Control) Mode

    Update LCD Update value (ex : sensor value) Menu Move to the top menu Left/Right arrow Move test item Enter Start testing or select Sub-item Upper level Stop testing or the upper menu 4.1.6.3 EDC Map 4-11 Service Manual Samsung Electronics...
  • Page 69 If actuator is checked by sensor, “Without Paper” message will be displayed. if not, “With Paper” message will be. Waste Box If waste Box exists , “Installed” message will be displayed. If not, “Not Installed” message will be. 4-12 Service Manual Samsung Electronics...
  • Page 70 When select key is pushed, Eraser On message will be displayed . If not, Eraser Off message will be. Fuser When select key is pushed, Fuser On message will be displayed. If not, Fuser Off message will be. 4-13 Service Manual Samsung Electronics...
  • Page 71 Range : 122V ~ 2188V Duty : 50% -> “2552V”, Range : 264V ~ 4730V Supply DC Duty : 50% -> “-269V”, Range : -1V ~ -591V AC, Vpp Duty : 50%-> “1210V” , Range : 800V ~ 2160V 4-14 Service Manual Samsung Electronics...
  • Page 72 • Cover Open /Close, When you still want to continue printing - Paper Jam inside printer • There is a paper inside printer • After cover Open , Paper must be removed, and then close the cover 4-15 Service Manual Samsung Electronics...
  • Page 73 • Home of Development is not checked or checked at the abnormal time • Clutch of Development or Main board must be checked - ADC not Confirm Error • Signal of confirmation for ADC is not detected • Main board must be checked 4-16 Service Manual Samsung Electronics...

  • Page 74: Troubleshooting

    - No Power LED Panel - Power Module error - Main PBA Indicate Status LED Refer to "Red Lamp ON" Green OK? "4.1.2.2 LED Function" Print(test pattern) printing Refer to "Solution Quality is of Image Problem" Nomal? 4-17 Service Manual Samsung Electronics...

  • Page 75: Troubleshooting Checklist

    • See “Solving General Printing Problems” does not resolve the printer • See “Solving Print Quality Problems” problem, check the following • See “Common Windows Problems” troubleshooting sections. • See “Common Macintosh Problems” • See “Common Linux Problems” 4-18 Service Manual Samsung Electronics...

  • Page 76: Solving General Printing Problems

    The printer is not Check the power switch and the receiving power. power source. The printer is not Select Samsung CLP-31x Series selected as the default printer. as your default printer. Check the printer for the following: Close the printer cover.
  • Page 77 The printer driver Software Section. Try printing a may be incorrectly installed. test page. Check the LEDs on the control The printer is malfunctioning. panel to determine if the printer is indicating a system error. 4-20 Service Manual Samsung Electronics...
  • Page 78 Paper has been loaded incorrectly. Check that the paper guides are set correctly. Remove excess paper from the There is too much paper in the tray. tray. Use only paper that meets printer The paper is too thick. specifications. 4-21 Service Manual Samsung Electronics...
  • Page 79 4 ppm in color mode. From the Start menu, choose If using Windows 98/Me, the Settings and Printers. Right-click Spooling Setting may be set the Samsung CLP-31x series incorrectly. printer icon, choose Properties, click the Details tab, and then choose the Spool Settings button.
  • Page 80 Or, ensure that the paper size in the printer driver settings matches the paper selection in the software application settings you use. 4-23 Service Manual Samsung Electronics...
  • Page 81 An incorrect type of Use only paper that meets printer paper is being used. specifications. After opening the front cover, There may be debris remove the imaging unit and then inside the printer. clear the debris. 4-24 Service Manual Samsung Electronics...
  • Page 82 The software Try printing a job from another application is malfunctioning. application. Exit Windows and reboot the The operating system computer. Turn the printer off and is malfunctioning. then back on again. 4-25 Service Manual Samsung Electronics...
  • Page 83 Check the file to ensure that it does The file may have blank pages. not contain blank pages. Some parts in the Contact a service representative. printer may be defective. 4-26 Service Manual Samsung Electronics...
  • Page 84 When you are using Windows 98, the illustrations print incorrectly from Adobe Illustrator. Select Download as Bit Image in The setting in the the Advanced Options window of software application is wrong. the graphic properties window. Print the document again. 4-27 Service Manual Samsung Electronics...
  • Page 85 1200dpi [Normal] or 600dpi [Draft]. [Best] and then try printing again. If you increase the photo size in the The resolution of the software application, the resolution photo is very low. will be reduced. Reduce the photo size. 4-28 Service Manual Samsung Electronics...
  • Page 86 Your printer has an odd smell during initial use. After printing about 100 color pages, The oil used to protect the fuser is evaporating. there will be no more smell. It is a temporary issue. 4-29 Service Manual Samsung Electronics...

  • Page 87: Solving Print Quality Problems

    Check the inside for the printer. indicate that the printer AaBbCc needs cleaning AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc 4-30 Service Manual Samsung Electronics...
  • Page 88 AaBbCc AaBbCc AaBbCc The paper may not meet specifications Check the paper type and quality. AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc 4-31 Service Manual Samsung Electronics...
  • Page 89 3. The paper lot is bad. Try a different kind or brand of paper. See "Vertical repetitive defects" on 4. The toner cartridge may be defective. the next page. 4-32 Service Manual Samsung Electronics...
  • Page 90 Remove the imaging unit and install a new one. Clean the inside of the printer. If you still have the same problems, 2. If white vertical replace the imaging unit with a new lines appear on the page one. 4-33 Service Manual Samsung Electronics...
  • Page 91 2. Remove one of the old toner cartridges and install a new one. AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc 4-34 Service Manual Samsung Electronics...
  • Page 92 1. Clean the inside of the printer. 2. Check the paper type and quality. 1. Toner smear 3. Remove the imaging unit and install a new one. AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc 4-35 Service Manual Samsung Electronics...
  • Page 93 2. Parts of the printer AaBbCc the page, the problem will likely may have toner on them. correct itself after a few more pages. 3. The fusing assembly Contact a service representative. may be damaged. 4-36 Service Manual Samsung Electronics...
  • Page 94 Printing on seams can cause problems. 3. If background Adjust the print resolution through scatter covers the entire surface your software application or via the area of a printed page printer properties window. 4-37 Service Manual Samsung Electronics...
  • Page 95 Try a different paper. hollowed images AaBbCc AaBbCc AaBbCc AaBbCc The printer may need service. 2. If characters are AaBbCc Verify that it also occurs on a demo improperly formed and producing page. a wavy effect. 4-38 Service Manual Samsung Electronics...
  • Page 96 2. The paper may not meed specifications 3. Ensure that the paper The guides are not too tight or too or other material is loaded correctly AaBbCc loose against the paper stack. AaBbCc AaBbCc AaBbCc AaBbCc 4-39 Service Manual Samsung Electronics...
  • Page 97 Both high temperature and high 2. Check the paper type and quality. AaBbCc humidity can cause paper curl. AaBbCc AaBbCc Also try rotating the paper 180¡ in 3. Turn the stack of the tray. paper over in the tray. 4-40 Service Manual Samsung Electronics...
  • Page 98 1. Wrinkles or creases properly. Check the paper type and quality. 2. The paper may not meed specifications Also try rotating the paper 180¡ in 3. Turn the stack of paper the tray. over in the paper tray. 4-41 Service Manual Samsung Electronics...
  • Page 99 AaBbCc AaBbCc Alignment & Troubleshooting AaBbCc AaBbCc AaBbCc 13) Back of printouts aredirty Clean the inside of the printer. Check for leaking toner. 4-42 Service Manual Samsung Electronics...
  • Page 100 1. The toner cartridge may reinsert. not be installed properly. 2. The toner cartridge may Install a new toner cartridge. be defective and need replacing. Change HVPS. 3. The printer may require repair. AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc 4-43 Service Manual Samsung Electronics...
  • Page 101 3. The Toner Cartridge AaBbCc Install a new toner cartridge. may be defective and AaBbCc need replacing. AaBbCc AaBbCc AaBbCc 4. If the problem persists, Contact a service representative. the printer may require repair. 4-44 Service Manual Samsung Electronics...
  • Page 102 1. Character voids are surface of the paper. Remove the white areas within characters that should paper and turn it over. be solid black 2. The paper may not meet paper specifications. AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc 4-45 Service Manual Samsung Electronics...
  • Page 103 A toner cartridge may be installed 1. If horizontally improperly. aligned color or black streaks or Remove the toner cartridge and smears appear reinsert. Install a new toner cartridge. 2. A toner cartridge may be defective. 4-46 Service Manual Samsung Electronics...
  • Page 104 18) Curl Turn the stack of paper over in the 1. If the printed paper is paper tray. Also try rotating the curled or paper does not feed into paper 180¡ in the tray. the printer 4-47 Service Manual Samsung Electronics...

  • Page 105: Common Windows Problems

    NOTE: Refer to the Microsoft Windows 98/Me/NT 4.0/2000/2003/XP User’s Guide that came with your PC for further information on Windows error messages. 4-48 Service Manual Samsung Electronics...

  • Page 106: Common Macintosh Problems

    Print as Image when you print from document from Acrobat Reader. Acrobat Reader. The document has printed, but the print job has not Update your Mac OS to OS 10.3.3 or higher. disappeared from the spooler in Mac OS 10.3.2. 4-49 Service Manual Samsung Electronics...

  • Page 107: Common Linux Problems

    "No Choice" value. editing the printer You have to choose an option that does not conflict settings. before being able to submit the changes. Continue.. 4-50 Service Manual Samsung Electronics...
  • Page 108 In that case, you need to make sure Landscape mode, but it prints that you leave the LLPR option set to its default rotated and cropped. Portrait setting, to avoid unwanted rotations of the page that would result in cropped output. Continue.. 4-51 Service Manual Samsung Electronics...
  • Page 109 Some documents come out latest version of CUPS (at least 1.1.14). Some RPM as white pages when printing. packages for the most popular distributions are provided as a convenience with this Linux Printing Package. Continue.. 4-52 Service Manual Samsung Electronics...
  • Page 110 Postscript uses CIE color space for Color Matching Some color images come out all black. System, you should upgrade Ghostscript on your system to at least GNU Ghostscript version 7.06 or later. You can find recent Ghostscript versions at www.ghostscript.com. 4-53 Service Manual Samsung Electronics...

  • Page 111: Major Problems Trouble Shooting

    Deformed Doctor-blade or cleaningblade. 2. Scratched surface Replace the transfer roller if occurred as No. 3. of the discharge roller in the developer. 3. Partly depression or deformation on the surface of the transfer roller. 4-54 Service Manual Samsung Electronics...
  • Page 112 4. If the fuser is that corresponds to the position of the voids. defective, voids occur Remove if found. periodically at the top of 2. If the problems are not solved, replace the a black image. developer cartridge. 4-55 Service Manual Samsung Electronics...
  • Page 113 Clean up the contaminated area by the toner. high voltage terminal in the HVPS and the one in the set. Replace the HVPS if the problems are not 4. Abnormal output from the HVPS. solved by the above four directions. 4-56 Service Manual Samsung Electronics...
  • Page 114 HVPS. contacts between power supply in the 2. Replace the HVPS if not solved by the above side of the Developer and charge direction 1 and 2. terminal of HVPS. 4-57 Service Manual Samsung Electronics...
  • Page 115 4. Is the movement Clean the bushing part of the transfer roller. (Up and Down) of the transfer roller smooth? If the problem is still not solved, replace the 5. Is the HVPS normal? developer. 4-58 Service Manual Samsung Electronics...
  • Page 116 (Isopropyl Alcohol) or water. roller-pickup for foreign matter. 4. If the paper feeds into the printer rand Replace the Main B'D and/or Sensor. Jam 0 occurs, perform EDC to check feed-sensor of the engine board. 4-59 Service Manual Samsung Electronics...
  • Page 117 Actuator-Feed. If the recording paper is stuck in the discharge Replace the Actuator-Feed, Exit Sensor, roller and the fuser just after passing or Frame Exit Unit. through the Actuator-Feed, Feed Actuator may be defective. 4-60 Service Manual Samsung Electronics...
  • Page 118 (the solenoid does not work properly) 2. Pad-Friction is Clean the pad friction with soft clothe contaminated with foreign matter.(oil...) dampened with IPA(Isopropyl Alcohol). Use the smooth paper. 3. The face of paper is blended. 4-61 Service Manual Samsung Electronics...
  • Page 119 9) Not function of the gear of the fuser due to melting away Description The motor breaks away from it’s place due to gear melting away. 1. Replace the Fuser. Check the operation of 2. Replace the Main Control board. Fuser Erasing Lamp 4-62 Service Manual Samsung Electronics...
  • Page 120 The paper lamp on the operator panel is on even when paper is loaded in the Description cassette. 1. Bending or deformation Replace the defective actuator. of the actuator of the paper sensor. 2. The function of the engine Replace the engine board. board is defective Perform 4-63 Service Manual Samsung Electronics...
  • Page 121 1. Check the insertion of the Cover Open S/W 2. Check the connector Connect. (Main B'D) and circuit of the cover 2. Replace the Main Control board or Cover switch department in the Main Open S/W. Control board. 4-64 Service Manual Samsung Electronics...
  • Page 122 1. Check the motor harness, replace it, if 1. Motor harness or sub defective. PCB may be defective. 2. Check 24V in the SMPS 3. Check Front Cover or Jam cover are opened. 4. Replace the Main PBA, if necessary. 4-65 Service Manual Samsung Electronics...
  • Page 123 Replace the power supply cord or SMPS. and SMPS output are normal. 2. Check the inferiority 1. Replace the control board. of LED-Panel on the front-cover if the 2. Replace the LED-panel. LED of Panel does not appear after normal warmingup. 4-66 Service Manual Samsung Electronics...
  • Page 124 14) Vertical Line Getting Curved Description When printing, vertical line gets curved. 1. If the supply of +24v is 1. Replace LSU. unstable in the Main Control board 2. Replace the Main Control board. linking with LSU 4-67 Service Manual Samsung Electronics...
  • Page 125 1. Foreign matter stuck Cleaning foreign matter in LSU mirror onto the window of internal lenses of LSU mirror 2. Main Controller LSU Part defect Replace Main Controller Replace Micro Switch Harness 3. Micro Switch Harness 4-68 Service Manual Samsung Electronics...

  • Page 126: System Diagram

    System Diagram 5. System Diagram 5.1 Block Diagram Service Manual Samsung Electronics...

  • Page 127: Connection Diagram

    System Diagram 5.2 Connection Diagram Service Manual Samsung Electronics...
  • Page 128 System Diagram Service Manual Samsung Electronics...
  • Page 129 System Diagram Service Manual Samsung Electronics...
  • Page 130 System Diagram Service Manual Samsung Electronics...
  • Page 131 System Diagram Service Manual Samsung Electronics...
  • Page 132 System Diagram Service Manual Samsung Electronics...
  • Page 133 System Diagram Service Manual Samsung Electronics...
  • Page 134 System Diagram Service Manual Samsung Electronics...
  • Page 135 System Diagram 5-10 Service Manual Samsung Electronics...
  • Page 136 System Diagram 5-11 Service Manual Samsung Electronics...
  • Page 137 System Diagram 5-12 Service Manual Samsung Electronics...

  • Page 138: Reference Information

    • Brush • Tweezers Standard : For general home use, small type. • Software (Driver) installation CD ROM Install Driver CD • Cotton Swab Network S/W CD Standard : For general home use, for medical service. Service Manual Samsung Electronics...

  • Page 139: Acronyms And Abbreviations

    Network Printer Card Tray NVRAM Nonvolatile Random Access Memory FISO Front-In, Side-Out Organic Photo Conductor FPOT First Print out Time Printed Board Assembly Windows Graphic Device Interface Printer Command Language , Printer Graphic Interchange Format Control Language Ground Service Manual Samsung Electronics...
  • Page 140 Reference Information Peripheral Component Interconnect SMPS Switching Mode Power Supply by Intel 1992/6/22, is a local bus SPGP Samsung Printer Graphic Processor standard developed by Intel and Samsung Printer Language introduced in April, 1993 : A60, B60 SPL-C Samsung Printer Language-Color...

  • Page 141: Select A Location For The Printer

    • Provide the proper environment : - A firm, level surface - Away from the direct airflow of air conditioners, heaters, or ventilators - Free of extreme fluctuations of temperature, sunlight, or humidity - Clean, dry, and free of dust Service Manual Samsung Electronics...

  • Page 142: A4 Iso 19798 Standard Pattern

    Reference Information 6.4 A4 ISO 19798 Standard Pattern This test page is reproduced at 70% of the normal A4 size Service Manual Samsung Electronics...
  • Page 143 Reference Information Service Manual Samsung Electronics...
  • Page 144 Reference Information Service Manual Samsung Electronics...
  • Page 145 Reference Information Service Manual Samsung Electronics...
  • Page 146 Reference Information Service Manual Samsung Electronics...

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