HP color laserjet 2550 series Manuale Di Servizio
Introduction
This chapter presents an overview of the relationships between major components in the
printer, and includes a detailed discussion of the image-formation system. The following
systems are discussed:
printer, and includes a detailed discussion of the image-formation system. The following
systems are discussed:
●
engine control system
●
laser/scanner system
●
pickup and feed system
●
image-formation system
8
9
4
5
6
7
1
3
2
10
11
12
13
14
15
16
17
18
19
20
21
21
22
Figure 4-1.
Cross-section of the printer
Ref
Description
Part number
Qty
1
Laser/scanner
RG5-6880-000CN
2
Developing cylinder
(contained in print cartridge)
3
Photosensitive drum
(contained in imaging drum)
4
Primary charging roller
(contained in imaging drum)
5
Imaging drum
Q3964A
68
Chapter 4 Theory of operation
ENWW