HP color laserjet 2550 series Manuale Di Servizio

Pagina di 312
Before performing service
Follow the pre-service procedures before you perform service.
Pre-service procedures
1. Remove all media from the product.
2. Place the product on an ESD mat. If an ESD mat or an ESD-protected workstation is not
available, discharge body static and ground the product chassis before servicing the
product.
3. Remove the imaging drum (see 
).
4. Remove the print cartridges (see 
5. Unplug the power cord and the interface cable.
6. Lift the printer (and optional tray 2) off of optional tray 3 (if it is installed).
ENWW
Before performing service
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