HP LaserJet 9040/9050 Service Manual - Page 151
Back assemblies, Formatter
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Back assemblies Gain access to the following assemblies from the back of the printer: z Formatter z Low-voltage power supply (LVPS) z High-voltage power supply (HVPS) z DC controller z Toner-sensor contact assembly z Cartridge memory PCA z Drum motor z Feed-drive assembly z Power-supply fan (fan 1) z Cartridge fan (fan 5) z Controller fan (fan 2) Formatter WARNING! The formatter has sharp edges. 1 Turn the printer off. 2 Disconnect all cables from the formatter. 3 Loosen the two thumb screws (callout 1). 4 Grasp the thumb screws, and slide the formatter out of the printer. 5 Place the formatter on an ESD mat. 12 Figure 79. Formatter (HP LaserJet 9000 shown) Back assemblies 135
Back assemblies
135
Back assemblies
Gain access to the following assemblies from the back of the printer:
Formatter
WARNING!
The formatter has sharp edges.
1
Turn the printer off.
2
Disconnect all cables from the formatter.
3
Loosen the two thumb screws (callout 1).
4
Grasp the thumb screws, and slide the formatter out of the printer.
5
Place the formatter on an ESD mat.
Figure 79.
Formatter (HP LaserJet 9000 shown)
Formatter
Low-voltage power supply
(LVPS)
High-voltage power supply
(HVPS)
DC controller
Toner-sensor contact
assembly
Cartridge memory PCA
Drum motor
Feed-drive assembly
Power-supply fan (fan 1)
Cartridge fan (fan 5)
Controller fan (fan 2)
2
1