HP2-B25 무료 덤프문제 온라인 액세스

Certpaper.com has purchased a LaserJet 2420 printer. The hardware installation has been completed. Despite the presence of an HP black toner cartridge, when the printer is powered on it gives the message "Install Black Toner". What is the issue?

• A.the grounding lever has become unhinged from the chassis
• B.printer has not been configured properly
• C.toner is faulty and needs replacement
• D.DC controller needs to be replaced

What is a function of the beam detect mirror?

• A.checks the intensity of the laser beam
• B.reflects the laser beam to the drum
• C.senses the functionality of the laser diode
• D.scans the beam from left to right

The operating system and firmware reside on which component on a product running HP FutureSmart firmware?

• A.Formatter
• B.Inter-connect board
• C.Compact Flash
• D.Disk drive

Which roller is utilized specifically during the fusing process?

• A.transfer roller
• B.registration roller
• C.pickup roller
• D.pressure roller

What happens during the transfer stage of the Image Formation Process?

• A.The uniform negative charge is transferred onto the surface of the print drum.
• B.Nothing.