Xerox WORKCENTRE PE 220, Service Manual

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General Procedures and Information
Workcentre PE 220 11/05 6-15
Engine H/W Specification
1) Printing Method: LSU (Laser Scanning Unit)
2) Printing Speed: 20ppm
(In continuing printing base Letter, printing pages from 2nd to last during 1min)
3) Printing Resolution: 600 dpi
4) Cassette Capa.: Cassette; 150sheets(75g/ Base), 1-sheet Feeding: Paper, OHP, Envelop - 1
sheet
5) Manual Tray: All paper 1 sheet
6) Paper Size: Cassette,Manual; Width = 76 ~ 216mm (2.99 ~ 8.05in) , Length = 125mm ~ 356mm
(4.92 ~ 14.02in)
7) Effective printing size
- A4:202 x 291 mm (7.95 x 11.46in)
- Letter:208 x273mm (8.19 x 10.75in)
- Legal: 208 x 350 mm (8.19 x 13.78in)
- Folio: 208 x 325 mm (8.19 x 12.8in)
- Top Margin: 2.2 mm (0.09in)
- Left, Right Margin: 2.2 mm (0.09in)
8) CRU (Print Cartridge) Life: 3,000pages Printing(A4, ISO 5% Pattern Printing)
9) First Print Out Time: within 11sec (Standby)
10) Warming up time: within 35sec (Ambient: 25 °C)
Main Board Control
Main control is made of ASIC(CPU, Image processor, PC I/F part include, Scan interface part,
FAX Modem part and Printing process I/F part. CPU handles the BUS control, I/O interface, scan
interface, PC interface and other miscellaneous driver circuit.
1) Main Board
- Main Board has a function of sending Current Image Video Data to LSU of the machine,
controlling motor
Driving Circuit and monitoring Paper Exit Sensor, Cover Open switch, OPE Panel Inputs.
2) Main Controller
- CPU: Chorus2 is the main CPU and is made up on the 16/32bit RISC architecture using
ARM7TDMI core. Main CPU controls the whole system according to the program code which
stored in the Flash-ROM memory.
- Summary of the Key Function Block:
•
1.8V for internal Core, 3.3V for I/O Pad with 4KByte Cache.
• Image Processor included.
• On-Chip clock generator with PLL.
• Memory and External Bank Control.
• DMA Control (5-Channel)
• Interrupt Control.
• 2-port USB Host/1-port USB device (ver 1.1) interface control.