Dell 3115CN User Manual

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Chapter 6 Principle of Operation (Scanner)
Version 1 2006.11.21
13. Control
13.1 Document Scanning Steps
A CCD Image Sensor is used to read image data from the document. To ensure stabilized image
reading, the CCD Image Sensor output is adjusted. Adjustment includes Automatic Gain Control (AGC)
and Automatic Offset Control (AOC).
Reference data for adjustment is collected and used to perform compensation on the read image data.
Compensation includes shading compensation, white variation compensation, and black variation
compensation. These adjustment and compensation steps are described below.
Reference data is obtained by reading image data from a white reference plate via the CCD image
sensor.
13.1.1 AGC (Auto Gain Control): White Level Variation Adjustment
During AGC, the Scanner ASSY is moved to the position of the white reference plate, and the Exposure
Lamp is illuminated. The light reflected from the white reference plate is read by the CCD Image Sensor
as the white reference value, which is used to adjust CCD Image Sensor output.
13.1.2 AOC (Auto Offset Control)
AOC is performed by turning off the Exposure Lamp after AGC. This state is read by the CCD Image
Sensor as the black reference value, which is used to adjust CCD Image Sensor output. (The order of
AGC and AOC adjustment depends on the model.)
13.1.3 Shading Compensation
Shading compensation compensates for pixel-by-pixel sensitivity variations and the nonuniformity of
lamp light in the fast scanning direction. The AGC and AOC adjustment values are used to compensate
for the image data read by the CCD Image Sensor.

Dell 3115CN Specifications

General

Print technology	Laser
Maximum resolution	600 x 600 DPI
Time to first page (black, normal)	16 s
Time to first page (color, normal)	17 s
Print speed (black, normal quality, A4/US Letter)	30 ppm
Print speed (color, normal quality, A4/US Letter)	17 ppm
Digital sender	No
Maximum duty cycle	60000 pages per month
Number of print cartridges	4
Scanner type	Flatbed scanner
PC free copying	Yes
Faxing	Mono faxing
Fax memory	4 MB
Modem speed	33.6 Kbit/s
Fax speed dialing (max numbers)	200
Multi-Purpose tray input capacity	150 sheets
Sound power level (standby)	40 dB
Sound pressure level (printing)	52 dB
Display	LCD
Market positioning	Business
Safety	IEC/EN60950-1:2001; IEC60825-1; CE Mark (EU); NEMKO; GS Mark; GOST & Hygienic; SASO; SABS; UL/cUL Listed; FDA/DHHS
Dimensions (WxDxH)	460 x 570 x 730 mm
Power requirements	220-240V, 47 - 63 Hz
Networking features	Ethernet 10/100 BaseT
Wireless technology	IEEE 802.11b/g
All-in-one functions	Copy, Fax, Scan
Maximum internal memory	1152 GB
Color all-in-one functions	print, scan
Compatible operating systems	Windows Vista/Vista x64, Microsoft Windows XP SP1-2, XP 64 bit, NT 4.0 SP6a, 2000 SP2-4, Server 2003 SP1, Server 2003 x64, Mac OS X, UNIX (SolarisTM 10, HP-UX11i), Linux (Red Hat 8/9, SuSE 9, TurboLinux 10)
Paper tray media types	Card stock, Coated paper, Envelopes, Labels, Plain paper, Recycled paper, Transparencies
ISO A-series sizes (A0...A9)	A4, A5
ISO B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Supported network protocols (IPv4)	DellTCP/IP & UDP/IP (LPD, Port9100, IPP6, SMB6, Netware v 5, FTP, HTTP, HTTPS6, RARP, AutoIP, WINS6, SMTP, FTP, DDNS6, SNMP, DHCP, BOOTP, mDNS6); NetBEUI (SMB6); Netware P-server6; Ethertalk6; AppleTalk
Standard interfaces	USB 2.0
Bundled software	ScanSoft PaperPort v10, Dell Printer Configuration Web Tool, Dell Colour Track 2, Dell Toner Management System
Sustainability certificates	ENERGY STAR
Power consumption (off)	0 W
Power consumption (standby)	108 W
Power consumption (PowerSave)	18 W
Power consumption (average operating)	465 W
Storage temperature (T-T)	0 - 35 °C
Operating temperature (T-T)	5 - 32 °C
Storage relative humidity (H-H)	15 - 80 %
Operating relative humidity (H-H)	15 - 85 %
Certification	CE; EN55022:1994 Class B+A1:1995+A2:1997; EN61000-3-2:2000+A2:2005; EN 61000-3-3:1995+A1:2001; EN55024:1998+A1:2001+A2:2003; FCC CFR; ICES-003; GOST; SABS