Samsung_ML-1660_Service_Manual.pdf

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Service Manual
Laser Printer
ML-1660/1665
The keynote of Product
1. Speed
• Up to 16 ppm in A4 (17 ppm in Letter)
2. Processor
• Jupiter4e 150 MHz
3. Printer Language
• GDI
4. Memory
• 8 MB
5. Interfaces
• Compatible with USB 2.0
6. Toner cartridge
• Initial : 0.7K
• Sales : 1.5K
ⓒ
Samsung Electronics Co.,Ltd. December. 2009
Printed in Korea.
VERSION NO.
: 1.00
CODE
: 1660-00000E
Contents
chapter 1
Precautions
1.1 Safety Warning
……………………………………………………
1.2 Caution for safety
…………………………………………………
1.2.1 Toxic material
…………………………………………………
1.2.2 Electric Shock and Fire Safety Precautions
………………
1.2.3 Handling Precautions
………………………………………
1.2.4 Assembly / Disassembly Precautions
………………………
1.2.5 Disregarding this warning may cause bodily injury
………
1.3 ESD Precautions
…………………………………………………
1-1
1-2
1-2
1-2
1-3
1-3
1-4
1-5
chapter 2
Product Overview
2.1 Product Specifications
……………………………………………
2.1.1 Product Overview
……………………………………………
2.1.2 Specifications
…………………………………………………
2.1.3 Model Comparison Table
……………………………………
2.2 System Overview
…………………………………………………
2.2.1 Front View
……………………………………………………
2.2.2 Rear View
……………………………………………………
2.2.3 System Layout
………………………………………………
2.2.4 Engine H/W Specifications
…………………………………
2.2.5 Engine F/W Contol Algorithm
………………………………
2.2.6 S/W Descriptions
……………………………………………
2-1
2-1
2-2
2-7
2-8
2-8
2-9
2-10
2-17
2-23
2-25
chapter 3
Maintenance and Disassembly
3.1 Precautions when replacing parts
………………………………
3.1.1 Precautions when assembling and disassembling
………
3.1.2 Preautions when handling PBA
……………………………
3.1.3 Releasing Plastic Latches
…………………………………
3-1
3-1
3-1
3-1
Contents
3.2 Screws used in the printer
………………………………………
3.3 Cover
………………………………………………………………
3.3.1 Left/Right cover
………………………………………………
3.3.2 Rear bracket
…………………………………………………
3.3.3 Cover-open
…………………………………………………
3.3.4 Top/Front cover
………………………………………………
3.4 Main PBA
…………………………………………………………
3.5 SMPS/HVPS board
………………………………………………
3.6 Fuser unit
…………………………………………………………
3.7 LSU
…………………………………………………………………
3.8 Drive unit
…………………………………………………………
3.9 Step motor
…………………………………………………………
3.10 Pick up roller
……………………………………………………
3-2
3-3
3-3
3-3
3-4
3-4
3-5
3-6
3-7
3-8
3-9
3-10
3-11
chapter 4
Alignment and Troubleshooting
4.1 Alignment and Adjustments
………………………………………
4.1.1 Control Panel
…………………………………………………
4.1.2 Understanding the LEDs
……………………………………
4.1.3 JAM Removal
………………………………………………
4.1.4 Printing a report
………………………………………………
4.1.5 Periodic Defective Image
……………………………………
4.1.6 Firmware upgrade
……………………………………………
4.1.7 Using the smart panel program
……………………………
4.2 Troubleshooting……………………………………………………
4.2.1 Procedure of Checking the Symptoms
……………………
4.2.2 Bad discharge
………………………………………………
4.2.3 Malfunction
……………………………………………………
4.2.4 Bad image
……………………………………………………
4-1
4-1
4-2
4-3
4-5
4-8
4-9
4-10
4-12
4-12
4-15
4-19
4-24
Contents
chapter 5
System Diagram
5.1 Block Diagram
……………………………………………………
5-1
5.2 Connection Diagram……………………………………………… 5-2
chapter 6
Reference Information
6.1 Tool for Troubleshooting
…………………………………………
6.2 Acronyms and Abbreviations
……………………………………
6.2.1 Acronyms
……………………………………………………
6.2.2 Service Parts
…………………………………………………
6.3 A4 ISO 19798 Standard Pattern
…………………………………
6.3.1 A4 ISO 19752 Standard Pattern
……………………………
6.4 Selecting a location
………………………………………………
6-1
6-2
6-2
6-4
6-8
6-8
6-9
attached
Exploded Views & Parts List

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