HP P3015 Service Manual

							3.Remove the power-switch assembly.
Figure 2-77  Remove the power-switch assembly (2 of 2)
ENWW Removal and replacement procedures 97 
						

							Main fan, fan duct, and environmental sensor
WARNING! ESD sensitive component.
Use the steps in this procedure to remove only the environmental sensor, or the sensor and the main
fan.
1.Before proceeding, remove the following components:
●DIMM cover. See 
DIMM cover and DIMM on page 57
.
● Formatter cover. See 
Formatter cover and formatter PCA on page 60.
● Top-right cover. See 
Top-right cover on page 73
.
● Control panel. See 
Control panel on page 74.
● Front-right and right-side cover assembly. See 
Front-right and right-side cover assembly
on page 76
.
2. To remove the main fan, fan duct, and the environmental sensor : Disconnect two connectors
(callout 1 and callout 2), and then release the wire harnesses from the retainers (callout 3).
To remove the environmental sensor only: Disconnect one connector (callout 1) and release
the wire harness from the retainers (callout 3).
Figure 2-78   Remove the main fan, fan duct, and the environmental sensor PCA (1 of 3)
1
3
2
98 Chapter 2   Removal and replacement ENWW 
						

							3.Release one tab (callout 1), and then remove the environmental sensor (callout 2).
Figure 2-79  Remove the main fan, fan duct, and the environmental sensor PCA (2 of 3)
1
2
4.To remove the main fan only : Release two tabs (callout 1), and then remove the main fan.
To remove the main fan and fan duct : Remove one screw (callout 2), and then remove the main
fan and fan duct together.
Reinstallation tip If only the main fan was removed : When the fan is reinstalled, the air must
flow into the product. Make sure that the label side of the fan is toward the inside of the product
when the fan is reinstalled.
Figure 2-80  Remove the main fan, fan duct, and the environmental sensor PCA (3 of 3)
1
2
ENWW Removal and replacement procedures 99 
						

							Fuser
1.Before proceeding, remove the following components:
●Rear-door assembly. See 
Rear-door assembly on page 62
.
● Right-rear cover. See 
Right-rear cover on page 68
.
2. Duplex models only : Release two tabs (callout 1) on the duplex media-feed guide, and then slide
the guide toward the back of the product to remove it.
Reinstallation tip Make sure that both tabs snap back into place when reinstalling the duplex
media-feed guide.
Figure 2-81   Remove the fuser (1 of 4)
1
3.Disconnect three connectors (callout 1), and release one wire harness from the retainer (callout 2).
Figure 2-82   Remove the fuser (2 of 4)
1
2
100 Chapter 2   Removal and replacement ENWW 
						

							4.Remove four screws (callout 1).
Figure 2-83  Removing the fuser (3 of 4)
1
5.Pull the fuser out of the back of the product.
CAUTION: To avoid damaging the fuser, the cartridge-door assembly must be closed before you
remove the fuser.
Figure 2-84  Removing the fuser (4 of 4)
ENWW Removal and replacement procedures 101 
						

							Registration assembly
1.Before proceeding, remove the following components:
●Rear-door assembly. See 
Rear-door assembly on page 62
.
● Left cover. See 
Left cover on page 66
.
2. Unhook the clasp on the registration assembly gear (callout 1), and then slide the gear off of the
shaft.
Figure 2-85   Remove the registration assembly (1 of 3)
1
3.Open the cartridge door, and then remove four screws (callout 1).
Figure 2-86   Remove the registration assembly (2 of 3)
1
102 Chapter 2   Removal and replacement ENWW 
						

							4.Lift the registration assembly out of the product, gear-end first.
Figure 2-87  Removing the registration assembly (3 of 3)
ENWW Removal and replacement procedures 103 
						

							Duplex media-feed assembly
Duplex models only.
1.Before proceeding, remove the following components:
●Rear-door assembly. See 
Rear-door assembly on page 62
.
● Right-rear cover. See 
Right-rear cover on page 68
.
2. Release two tabs (callout 1) on the duplex media-feed guide, and then slide the guide toward the
back of the product to remove it.
Reinstallation tip Make sure that both tabs snap back into place when reinstalling the duplex
media-feed guide.
Figure 2-88   Remove the duplex media-feed assembly (1 of 5)
1
104 Chapter 2   Removal and replacement ENWW 
						

							3.Press the green lever (callout 1) to release the duplex media-feed assembly.
Figure 2-89  Remove the duplex media-feed assembly (2 of 5)
1
4.Use a small flat blade screwdriver to carefully pry the sheet-metal tab on the assembly away from
the hinge pin to release it.
Figure 2-90  Remove the duplex media-feed assembly (3 of 5)
ENWW Removal and replacement procedures 105 
						

							5.Slide the assembly away from the other hinge pin to release it.
Figure 2-91   Remove the duplex media-feed assembly (4 of 5)
6.Pull the duplex media-feed assembly out of the back of the product.
Figure 2-92   Remove the duplex media-feed assembly (5 of 5)
106 Chapter 2   Removal and replacement ENWW