Dell 2355DN Service Manual

Also see for 2355 Mono Laser: User guide

Dell 2355DN Service Manual Manual pdf 19 page image

Product spec and feature2-10Service Manual2.2 System OutlineThis document is the product specification for Dell 2135dn. Dell 2135dn is a Multi-Function Peripheral(MFP) integrating a plain fax, a B/W laser printer, a color flatbed scanner, and a B/W copier. Dell 2135dn isdeveloped for small workgroup and personal office customers. The main product concept is “High Speed andHigh Quality.” This model has 27ppm print-speed, 3 sec transmission-speed for fax, 33.6kbps fax-transferrate, optical 600 dpi color scanner, and 1200 dpi printer.Dell 2135dn is developed to meet standard approvals of FCC Part 15 Class B, FCC Part 68, IC 60950, andcUL for the US and Canada. Other markets covered are Europe, Latin America and Emerging Markets.Agency Certifications will be attained to enable launch in all target markets2.2.1 System ConfigurationsDELL LASER MFP 2355dn is made up of the Main Control part, Operation Panel part, Scanner part, LineInterface part and Power part. Each Part is a separate Module which focuses on common and standard designof different kind products. Main control part adopting Fax & LBP Printer exclusive Controller is composed of1 CPU and 1 Board. Scanner part is composed of DADF and Platen and is connected with Main by Harness.Line Interface part is designed to apply TBR21 standard (Domestic, Europe, etc.)2.2.1.1 CPU Part1) CPU : ARM926EJS CORE, which is exclusive controller to execute Printer & FAX Function and toexecute operation block by flash memory within system program, and to control whole system.· Main function block· Completely Integrated System for Embedded Applications· Operation Frequency : CPU Core -> over 360MHz, System Bus -> 120MHz· Operation Voltage : Core Voltage -> 1.0V, I/O Pad Voltage -> 3.3V, RTC Voltage -> 2.5V2) Flash Memory : Record System Program, and download System Program by PC INTERFACE.FAX for Journal List, and Memory for One Touch Dial, Speed Dial List.- size : 32M Byte (NOR Flash), 1M Byte (NOR Flash), 4M Byte (Serial Flash)- Access Time: 90ns (Max)- Page Access Time: 25ns (Max)3) SDRAM : is used as Swath Buffer in Printing, Scan Buffer in Scanning, ECM Buffer in FAX receiving, andSystem Working Memory Area (DDR2 DIMM)- size : 256M Byte(Default)512M Byte(Option)- Max Frequency : 166MHz