Samsung ML-1665 Service Manual - Page 4
Alignment and Troubleshooting, Procedure of Checking the Symptoms - printer
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UPC - 635753627763
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Contents 3.2 Screws used in the printer 3-2 3.3 Cover 3-3 3.3.1 Left/Right cover 3-3 3.3.2 Rear bracket 3-3 3.3.3 Cover-open 3-4 3.3.4 Top/Front cover 3-4 3.4 Main PBA 3-5 3.5 SMPS/HVPS board 3-6 3.6 Fuser unit 3-7 3.7 LSU 3-8 3.8 Drive unit 3-9 3.9 Step motor 3-10 3.10 Pick up roller 3-11 chapter 4 Alignment and Troubleshooting 4.1 Alignment and Adjustments 4-1 4.1.1 Control Panel 4-1 4.1.2 Understanding the LEDs 4-2 4.1.3 JAM Removal 4-3 4.1.4 Printing a report 4-5 4.1.5 Periodic Defective Image 4-8 4.1.6 Firmware upgrade 4-9 4.1.7 Using the smart panel program 4-10 4.2 Troubleshooting 4-12 4.2.1 Procedure of Checking the Symptoms 4-12 4.2.2 Bad discharge 4-15 4.2.3 Malfunction 4-19 4.2.4 Bad image 4-24
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3.2
Screws used in the printer
………………………………………
3-2
3.3
Cover
………………………………………………………………
3-3
3.3.1
Left/Right cover
………………………………………………
3-3
3.3.2
Rear bracket
…………………………………………………
3-3
3.3.3
Cover-open
…………………………………………………
3-4
3.3.4
Top/Front cover
………………………………………………
3-4
3.4
Main PBA
…………………………………………………………
3-5
3.5
SMPS/HVPS board
………………………………………………
3-6
3.6
Fuser unit
…………………………………………………………
3-7
3.7
LSU
…………………………………………………………………
3-8
3.8
Drive unit
…………………………………………………………
3-9
3.9
Step motor
…………………………………………………………
3-10
3.10
Pick up roller
……………………………………………………
3-11
4.1
Alignment and Adjustments
………………………………………
4-1
4.1.1
Control Panel
…………………………………………………
4-1
4.1.2
Understanding the LEDs
……………………………………
4-2
4.1.3
JAM Removal
………………………………………………
4-3
4.1.4
Printing a report
………………………………………………
4-5
4.1.5
Periodic Defective Image
……………………………………
4-8
4.1.6
Firmware upgrade
……………………………………………
4-9
4.1.7
Using the smart panel program
……………………………
4-10
4.2
Troubleshooting
……………………………………………………
4-12
4.2.1
Procedure of Checking the Symptoms
……………………
4-12
4.2.2
Bad discharge
………………………………………………
4-15
4.2.3
Malfunction
……………………………………………………
4-19
4.2.4
Bad image
……………………………………………………
4-24
chapter 4
Alignment and Troubleshooting
Contents