Samsung ML-1640 User Manual

3.2.8 HVPS board 3-7
3.2.9 Transfer roller
3-8
3.2.10 Pick up roller
3-8
4. Alignment & Troubleshooting
4.1 Alignment and Adjustments 4-1
4.1.1 Sample Pattern
4-1
4.1.2 Control Panel
4-3
4.1.3 Consumables and Replacement Parts
4-6
4.1.4 Periodic Defective Image
4-7
4.1.5 How to use DCU
4-8
4.1.6 Paper Path
4-13
4.2 Troubleshooting
4-18
4.2.1 Checking Symptoms
4-18
4.2.2 Bad discharge
4-21
4.2.3 Malfunction
4-28
4.2.4 Bad Software Environment
4-37
4.2.5 Bad image
4-42
5. Exploded Views & Parts List
5.1 Main Assembly 5-2
5.2 Frame Assembly(ML-2240)
5-5
5.3 Frame Assembly(ML-1640)
5-7
5.4 Fuser Unit
5-9
5.5 Paper Path Unit
5-11
5.6 MP Tray Assembly (Only ML-2240)
5-13
Continued

Samsung ML-1640 Specifications

General

Color	No
Duplex printing	Yes
Print technology	Laser
Maximum resolution	600 x 1200 DPI
Time to first page (black, normal)	10 s
Print speed (black, normal quality, A4/US Letter)	16 ppm
Internal memory	8 MB
Processor frequency	150 MHz
Sound pressure level (printing)	50 dB
Total input capacity	150 sheets
Total output capacity	100 sheets
Maximum print size	216 x 356 mm
Paper tray media types	Labels, Plain paper, Recycled paper
Maximum ISO A-series paper size	A4
Compatible operating systems	Windows 2000/ XP/ 2003 Server/ Vista Linux OS Mac OS X 10.3 - 10.5
Maximum duty cycle	5000 pages per month

Weight and Dimensions

Weight	5700 g
Dimensions (WxDxH)	353 x 298 x 209 mm