C7085-90921 Chapter 8 Parts and diagrams 333
CAUTION Two versions of the HP Color LaserJet 4500 series printers are available. Before ordering parts, you
will need to identify which printer version you are servicing. For more information, see page 329. The
4550 series has some different service parts from the 4500 series.
Table 8-3 PCB assembly
Ref. Description Qty. Parts for 4500
series s/n xxG...
and below
Parts for 4500
series s/n xxH...
and above
Parts for HP Color
LaserJet 4550
1 Developing PCB 1 RG5-3811-000CN RG5-5180-000CN RG5-5180-000CN
2 DC controller PCB 1 RG5-3809-000CN RG5-5254-000CN RG5-5254-000CN
3 Interconnect PCB 1 RG5-3808-000CN RG5-3808-000CN RG5-3808-000CN
4 Paper size sensor PCB 1 RG5-3816-000CN RG5-3816-000CN RG5-3816-000CN
5 Paper feed PCB assembly 1 RG5-3810-000CN RG5-3810-000CN RG5-3810-000CN
6 Formatter PCB 1 C4084-69001* C4084-69001* C4227-69001*
7 Firmware DIMM 1 C4084-60004 C4084-60004 C9130-60001
8 I/O card 1 C4081-60001 C4081-60001 C4207-60001
9 Toner level sensor PCB 1 N/A N/A RG5-5247-000CN
*These parts require exchange
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