Service Manual
Page 1
Speed • Up to 16 ppm in A4 (17 ppm in Letter) 2. Memory • 8 MB 5. Service Manual 1. Printer Language • GDI Laser Printer ML-1660/1665 4. Processor • Jupiter4e 150 MHz 3. Interfaces • Compatible with USB 2.0 6. Toner cartridge • Initial : 0.7K • Sales : 1.5K The keynote of Product
Speed • Up to 16 ppm in A4 (17 ppm in Letter) 2. Memory • 8 MB 5. Service Manual 1. Printer Language • GDI Laser Printer ML-1660/1665 4. Processor • Jupiter4e 150 MHz 3. Interfaces • Compatible with USB 2.0 6. Toner cartridge • Initial : 0.7K • Sales : 1.5K The keynote of Product
Service Manual
Page 7
...plugs when moving the machine. (9) Use caution during thunder or lightning storms. Samsung recommends that this can cause electric shock. This will cause the temperature inside to leak. Service Manual 1-2 Samsung Electronics Contact with wet hands, this machine be disconnected from children. When removing ... for the liquid inside the product to rise possibly leading to the product failing to work properly and in the imaging unit and toner cartridge may be harmful, and if swallowed, you should contact a doctor. 1.2.2 Electric shock and fire safety precautions Failure to follow the...
...plugs when moving the machine. (9) Use caution during thunder or lightning storms. Samsung recommends that this can cause electric shock. This will cause the temperature inside to leak. Service Manual 1-2 Samsung Electronics Contact with wet hands, this machine be disconnected from children. When removing ... for the liquid inside the product to rise possibly leading to the product failing to work properly and in the imaging unit and toner cartridge may be harmful, and if swallowed, you should contact a doctor. 1.2.2 Electric shock and fire safety precautions Failure to follow the...
Service Manual
Page 9
... printer. If do so could be caused if you move the printer. Use caution when working on each side of supporting its weight. Service Manual 1-4 Samsung Electronics This printer weighs 6kg including toner cartridge and cassette. Precautions 1.2.5 Disregarding this warning may cause bodily injury (1) Be careful with the high temperature part.
... printer. If do so could be caused if you move the printer. Use caution when working on each side of supporting its weight. Service Manual 1-4 Samsung Electronics This printer weighs 6kg including toner cartridge and cassette. Precautions 1.2.5 Disregarding this warning may cause bodily injury (1) Be careful with the high temperature part.
Service Manual
Page 11
Product spec and feature 2.1 Product Specifications 2.1.1 Product Overview ML- 1660 1. Toner cartridge • Initial : 0.7K • Sales : 1.5K Service Manual 2-1 Samsung Electronics Processor • Jupiter4e 150 MHz 3. Interfaces • Compatible with USB 2.0 6. Memory • 8 MB 5. Printer Language • GDI 4. Speed • Up to 16 ppm in A4 (17 ppm in Letter) 2. Product spec and feature 2.
Product spec and feature 2.1 Product Specifications 2.1.1 Product Overview ML- 1660 1. Toner cartridge • Initial : 0.7K • Sales : 1.5K Service Manual 2-1 Samsung Electronics Processor • Jupiter4e 150 MHz 3. Interfaces • Compatible with USB 2.0 6. Memory • 8 MB 5. Printer Language • GDI 4. Speed • Up to 16 ppm in A4 (17 ppm in Letter) 2. Product spec and feature 2.
Service Manual
Page 14
Electronic key(CRUM) Only Toner gauge sensor by dot count 2.1.2.5 Maintenanace part Items Transfer roller Fuser unit Pick up roller Life 30K pages 30K pages 30K pages 2.1.2.6 Reliability & Service ... Life Cycle Specification 75 sheets/month 10,000 sheets 30 min. 30,000 sheets or 5 years (whichever comes first) Service Manual 2-4 Samsung Electronics Declared cartridge yield in accordance with ISO/IEC 19752. Product spec and feature 2.1.2.4 Consumables Toner Cartridge Items Black Key Life detect Specification Initial : Average Cartridge Yield 0.7K standard pages. Sales : Average...
Electronic key(CRUM) Only Toner gauge sensor by dot count 2.1.2.5 Maintenanace part Items Transfer roller Fuser unit Pick up roller Life 30K pages 30K pages 30K pages 2.1.2.6 Reliability & Service ... Life Cycle Specification 75 sheets/month 10,000 sheets 30 min. 30,000 sheets or 5 years (whichever comes first) Service Manual 2-4 Samsung Electronics Declared cartridge yield in accordance with ISO/IEC 19752. Product spec and feature 2.1.2.4 Consumables Toner Cartridge Items Black Key Life detect Specification Initial : Average Cartridge Yield 0.7K standard pages. Sales : Average...
Service Manual
Page 18
Product spec and feature 2.2 System Overview This chapter describes the functions and operating principal of the main component. 2.2.1 Front View This illustration may differ from your machine depending on its model. 1 Control panel 5 Paper length guide 2 Top cover 6 Paper width guides 3 Toner cartridge 7 Output support 4 Tray 8 Output tray (face down) Service Manual 2-8 Samsung Electronics
Product spec and feature 2.2 System Overview This chapter describes the functions and operating principal of the main component. 2.2.1 Front View This illustration may differ from your machine depending on its model. 1 Control panel 5 Paper length guide 2 Top cover 6 Paper width guides 3 Toner cartridge 7 Output support 4 Tray 8 Output tray (face down) Service Manual 2-8 Samsung Electronics
Service Manual
Page 20
..., Cabinet and H/W comprising the main control board, power board, operation panel, PC Interface. 3 14 1 2 6 4 8 7 5 9 10 11 13 12 NO. 1 Pressure roller 2 Heat roller 3 Exit roller 4 Toner Cartridge 5 LSU 6 Charge roller 7 OPC NAME Service Manual NO. 8 Transfer roller 9 Deve roller 10 Supply roller 11 Feed roller 12 Friction pad 13 Pickup roller NAME...
..., Cabinet and H/W comprising the main control board, power board, operation panel, PC Interface. 3 14 1 2 6 4 8 7 5 9 10 11 13 12 NO. 1 Pressure roller 2 Heat roller 3 Exit roller 4 Toner Cartridge 5 LSU 6 Charge roller 7 OPC NAME Service Manual NO. 8 Transfer roller 9 Deve roller 10 Supply roller 11 Feed roller 12 Friction pad 13 Pickup roller NAME...
Service Manual
Page 26
... CRUM. -100V 8 Cleaning Blade Max -1.4KV 2 Cleaning Roller 1 0.20mW -720V 6 -150V↓ 7 -350V +3.5kV 3 4 5 -550V Service Manual 2-16 Samsung Electronics Product spec and feature 2.2.3.6 Toner Cartridge By using cleaning blade • OPC Drum Protecting Shutter : None • Classifying device for toner cartridge: ID is classified by using the electronic photo process, it creates a visual image.
... CRUM. -100V 8 Cleaning Blade Max -1.4KV 2 Cleaning Roller 1 0.20mW -720V 6 -150V↓ 7 -350V +3.5kV 3 4 5 -550V Service Manual 2-16 Samsung Electronics Product spec and feature 2.2.3.6 Toner Cartridge By using cleaning blade • OPC Drum Protecting Shutter : None • Classifying device for toner cartridge: ID is classified by using the electronic photo process, it creates a visual image.
Service Manual
Page 48
Take out the toner cartridge. 3. Service Manual 3-11 Samsung Electronics Push the hinge to the direction of arrow. Open the top cover. 2. Disassembly and Reassembly 3.10 Pick up roller 1.
Take out the toner cartridge. 3. Service Manual 3-11 Samsung Electronics Push the hinge to the direction of arrow. Open the top cover. 2. Disassembly and Reassembly 3.10 Pick up roller 1.
Service Manual
Page 50
The estimated cartridge lifea of toner is left in the cartridge. Close the cover. • There is no paper in the tray. • The machine has stopped due to be cleared. Load paper in the tray. Service Manual 4-2 Samsung Electronics When the problem is cleared, the machine resumes printing. • Small amount of toner is waiting...
The estimated cartridge lifea of toner is left in the cartridge. Close the cover. • There is no paper in the tray. • The machine has stopped due to be cleared. Load paper in the tray. Service Manual 4-2 Samsung Electronics When the problem is cleared, the machine resumes printing. • Small amount of toner is waiting...
Service Manual
Page 51
... the paper does not move when you pull, or if you do not see the paper in this area, check the fuser area around the toner cartridge. Alignment and Troubleshooting 4.1.3 JAM Removal 4.1.3.1 Clearing Paper Jams If a paper jam occurs, the LED on the control panel lights orange. If the paper ... the top cover. Find and remove the jammed paper. Make sure to open the top cover. 4. Open the funser unit cover. Service Manual 4-3 Samsung Electronics To resume printing after clearing paper jams, you do not see the jammed paper, go to next step. If the paper does not exit...
... the paper does not move when you pull, or if you do not see the paper in this area, check the fuser area around the toner cartridge. Alignment and Troubleshooting 4.1.3 JAM Removal 4.1.3.1 Clearing Paper Jams If a paper jam occurs, the LED on the control panel lights orange. If the paper ... the top cover. Find and remove the jammed paper. Make sure to open the top cover. 4. Open the funser unit cover. Service Manual 4-3 Samsung Electronics To resume printing after clearing paper jams, you do not see the jammed paper, go to next step. If the paper does not exit...
Service Manual
Page 52
Pull the toner cartridge out. 8. Service Manual 9. Printing automatically resumes. 4-4 Samsung Electronics If you do not see the jammed paper, go to next step. 6. Replace the toner cartridge. Alignment and Troubleshooting 5. Remove the original jammed paper by gently pulling it straight out. 7. Remove the original jammed paper by gently pulling it straight out. Close the fuser unit cover. 10. Close the top cover and open the output tray.
Pull the toner cartridge out. 8. Service Manual 9. Printing automatically resumes. 4-4 Samsung Electronics If you do not see the jammed paper, go to next step. 6. Replace the toner cartridge. Alignment and Troubleshooting 5. Remove the original jammed paper by gently pulling it straight out. 7. Remove the original jammed paper by gently pulling it straight out. Close the fuser unit cover. 10. Close the top cover and open the output tray.
Service Manual
Page 56
... and periodic band Periodic Band by abnormal transfer Background Black spot and image ghost Defective part Toner Cartridge Transfer roller Fuser 1 2 3 5 4 6 7 1 Pressure roller 2 Heat roller 3 Charge roller 4 OPC Service Manual 5 Transfer roller 6 Deve roller 7 Supply roller 4-8 Samsung Electronics Alignment and Troubleshooting 4.1.5 Periodic Defective Image If an image defects appears at regular intervals on...
... and periodic band Periodic Band by abnormal transfer Background Black spot and image ghost Defective part Toner Cartridge Transfer roller Fuser 1 2 3 5 4 6 7 1 Pressure roller 2 Heat roller 3 Charge roller 4 OPC Service Manual 5 Transfer roller 6 Deve roller 7 Supply roller 4-8 Samsung Electronics Alignment and Troubleshooting 4.1.5 Periodic Defective Image If an image defects appears at regular intervals on...
Service Manual
Page 58
...software CD. 4.1.7.1 Understanding Smart Panel If an error occurs while printing, you can check the error from the Start menu, select Programs or All Programs > Samsung Printers > your machine. • The Smart Panel window and its contents shown in this icon in use this program, you install the machine software.... (in Mac OS X) the Smart Panel icon and select your printer driver name > Smart Panel. • If you have already installed more than one Samsung machine, first select the correct machine model you want in the toner cartridge(s), and various other types of information.
...software CD. 4.1.7.1 Understanding Smart Panel If an error occurs while printing, you can check the error from the Start menu, select Programs or All Programs > Samsung Printers > your machine. • The Smart Panel window and its contents shown in this icon in use this program, you install the machine software.... (in Mac OS X) the Smart Panel icon and select your printer driver name > Smart Panel. • If you have already installed more than one Samsung machine, first select the correct machine model you want in the toner cartridge(s), and various other types of information.
Service Manual
Page 59
If you need in use. Order replacement toner cartridge(s) online. Configure various machine settings in the toner cartridge(s). Alignment and Troubleshooting 1 Toner Level 2 Buy Now 3 User's Guide 4 Printer Setting 5 Driver Setting View the level of toner remaining in the Printer Settings Utility window. ...network, the SyncThru™ Web Service window appears instead of toner cartridge(s) shown in the above window may differ depending on the machine in the Printer Preferences window. Service Manual 4-11 Samsung Electronics View User's Guide. Right-click (in Windows or ...
If you need in use. Order replacement toner cartridge(s) online. Configure various machine settings in the toner cartridge(s). Alignment and Troubleshooting 1 Toner Level 2 Buy Now 3 User's Guide 4 Printer Setting 5 Driver Setting View the level of toner remaining in the Printer Settings Utility window. ...network, the SyncThru™ Web Service window appears instead of toner cartridge(s) shown in the above window may differ depending on the machine in the Printer Preferences window. Service Manual 4-11 Samsung Electronics View User's Guide. Right-click (in Windows or ...
Service Manual
Page 72
... causes 1 and 2 occur in the printing. 1. Scratched surface of the transfer roller. Partly depression or deformation on the surface of the charge roller in the toner cartridge. Service Manual 4-24 Samsung Electronics Deformed Doctor-blade or cleaning-blade. Damaged develop roller in the printing. 2. Straight thin black vertical line occurs in the...
... causes 1 and 2 occur in the printing. 1. Scratched surface of the transfer roller. Partly depression or deformation on the surface of the charge roller in the toner cartridge. Service Manual 4-24 Samsung Electronics Deformed Doctor-blade or cleaning-blade. Damaged develop roller in the printing. 2. Straight thin black vertical line occurs in the...
Service Manual
Page 73
... image. 5. Service Manual 4-25 Samsung Electronics If the problems are on the OPC Drum. No 3. : Remove the foreign matter and burr of the image.) Replace the toner cartridge. 3. Foreign matter or toner particles between the toner cartridge roller and blade. (In case the life of the toner cartridge has been expired, white lines or... are on the window of LSU mirror. It may occur when Burr and foreign substances are not solved, replace the toner cartridge. Alignment and Troubleshooting 2) Vertical White Line Description : W hite vertical voids in front of the exposure window...
... image. 5. Service Manual 4-25 Samsung Electronics If the problems are on the OPC Drum. No 3. : Remove the foreign matter and burr of the image.) Replace the toner cartridge. 3. Foreign matter or toner particles between the toner cartridge roller and blade. (In case the life of the toner cartridge has been expired, white lines or... are on the window of LSU mirror. It may occur when Burr and foreign substances are not solved, replace the toner cartridge. Alignment and Troubleshooting 2) Vertical White Line Description : W hite vertical voids in front of the exposure window...
Service Manual
Page 78
... a page, and has not it has been ended. 4. Alignment and Troubleshooting 7) Background Description : Light dark background appears in whole area of the transfer roller. 5. The toner cartridge is basically designed to print 1,500 sheets with 5% image. Service Manual 4-30 Samsung Electronics
... a page, and has not it has been ended. 4. Alignment and Troubleshooting 7) Background Description : Light dark background appears in whole area of the transfer roller. 5. The toner cartridge is basically designed to print 1,500 sheets with 5% image. Service Manual 4-30 Samsung Electronics
Service Manual
Page 83
Service Manual 4-35 Samsung Electronics Alignment and Troubleshooting 12) Stains on the Face of Page Description : T he background on the face of the printed page is stained. 1. Toner leakage due to improperly sealed develope.r Replace the toner cartridge.
Service Manual 4-35 Samsung Electronics Alignment and Troubleshooting 12) Stains on the Face of Page Description : T he background on the face of the printed page is stained. 1. Toner leakage due to improperly sealed develope.r Replace the toner cartridge.
Service Manual
Page 86
...Turn off then on. SMART PANEL:LSU Unit Failure: #U2-1112. Install the cartridge. Turn off then on. Turn off then on . SMART PANEL:LSU Failure: #U2-1114. SMART PANEL:Toner cartridge is open. Turn off then on . Check users guide SMART PANEL:Paper jam ...in tray 1. SMART PANEL:Prepare new toner cartridge SMART PANEL:End of life, Replace with new toner cartridge SMART PANEL:End of life, Replace with new toner cartridge SMART PANEL:Toner cartridge is not installed...
...Turn off then on. SMART PANEL:LSU Unit Failure: #U2-1112. Install the cartridge. Turn off then on. Turn off then on . SMART PANEL:LSU Failure: #U2-1114. SMART PANEL:Toner cartridge is open. Turn off then on . Check users guide SMART PANEL:Paper jam ...in tray 1. SMART PANEL:Prepare new toner cartridge SMART PANEL:End of life, Replace with new toner cartridge SMART PANEL:End of life, Replace with new toner cartridge SMART PANEL:Toner cartridge is not installed...