HP P3015 Service Manual

							Laser/scanner
WARNING! ESD sensitive component.
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.
● Rear-door assembly. See 
Rear-door assembly on page 62
.
● Left cover. See 
Left cover on page 66
.
● Top-right cover. See 
Top-right cover on page 73
.
● Control panel. See 
Control panel on page 74.
● Top cover. See 
Top cover on page 84
.
2. Release one tab (callout 1) on the air duct, and then lift the air duct (callout 2) out of the product.
Figure 2-93  Remove the laser/scanner (1 of 5)
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ENWW Removal and replacement procedures 107 
						

							3.Remove the antistatic sponge (callout 1).
Figure 2-94   Remove the laser/scanner (2 of 5)
1
4.Disconnect one connector (callout 1) and one FFC (callout 2).
Reinstallation tip Make sure that you correctly reconnect the FFC when the laser/scanner is
installed. If the FFC is not correctly reconnected, a  51.1 ERROR will appear on the control-panel
display.
Figure 2-95   Remove the laser/scanner (3 of 5)
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2
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							5.Remove four screws (callout 1).
Figure 2-96  Remove the laser/scanner (4 of 5)
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6.Lift the laser/scanner up and out of the product.
Figure 2-97  Remove the laser/scanner (5 of 5)
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							Engine control unit (ECU)
WARNING! ESD sensitive component.
1.Before proceeding, remove the following components:
●DIMM cover. See 
DIMM cover and DIMM on page 57
.
● Formatter cover and formatter PCA. See 
Formatter cover and formatter PCA on page 60
.
● Rear-door assembly. See 
Rear-door assembly on page 62
.
● Left cover. See 
Left cover on page 66
.
● 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
.
● Lower-right cover and bracket. See 
Lower-right cover and bracket on page 80
.
● Top cover. See 
Top cover on page 84
.
● Power switch assembly. See 
Power-switch assembly on page 96
.
TIP: Removing the power-switch assembly makes it easier to disconnect the connectors at
the front of the ECU.
2. Disconnect two connectors (callout 1).
Figure 2-98   Remove the ECU (1 of 9)
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							3.Remove two screws (callout 1), and then remove the fan assembly.
NOTE: As you remove the fan assembly, release the USB wire harness from the retainers along
the bottom of the assembly (callout 2).
Figure 2-99  Removing the ECU (2 of 9)
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2
4. Disconnect 12 connectors (callout 1).
Figure 2-100  Remove the ECU (3 of 9)
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ENWW Removal and replacement procedures 111 
						

							5.Release one tab (callout 1) on the air duct, and then lift the air duct out of the product.
Figure 2-101   Remove the ECU (4 of 9)
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2
6.Disconnect three connectors (callout 1), one FFC (callout 2), and then release the wire harnesses
from the retainers.
Figure 2-102   Remove the ECU (5 of 9)
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							7.Remove six screws (callout 1).
Figure 2-103  Remove the ECU (6 of 9)
1
8.Slight lift the ECU up, and then rotate the top of the ECU pan away from the product.
CAUTION: The ECU is still attached to the product by a FFC. Do not try to completely remove
the ECU.
Figure 2-104  Remove the ECU (7 of 9)
ENWW Removal and replacement procedures 113 
						

							9.Disconnect one FFC (callout 1).
Figure 2-105   Remove the ECU (8 of 9)
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10.Remove the ECU.
NOTE: The ECU and the ECU pan together are a single field-replaceable unit (FRU). You do not
have to separate the ECU and the ECU pan.
Figure 2-106   Remove the ECU (9 of 9)
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							Cassette pickup (Tray 2) solenoid or Tray 1 (multipurpose tray) pickup solenoid
1.Before proceeding, remove the following components:
●DIMM cover. See 
DIMM cover and DIMM on page 57
.
● Formatter cover and formatter PCA. See 
Formatter cover and formatter PCA on page 60
.
● Rear-door assembly. See 
Rear-door assembly on page 62
.
● Left cover. See 
Left cover on page 66
.
● 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
.
● Lower-right cover. See 
Lower-right cover and bracket on page 80.
● Top cover. See 
Top cover on page 84
.
● Power switch assembly. See 
Power-switch assembly on page 96
.
TIP: Removing the power-switch assembly makes it easier to disconnect the connectors at
the front of the ECU.
● Engine control unit (ECU). See Engine control unit (ECU) on page 110.
2. Release the wire harness from the guides (callout 1), and then remove three screws (callout 2).
CAUTION: Do not try to remove the gear cover after the screws are removed (it is still attached
to the solenoid-wire harness).
Figure 2-107  Cassette pickup (Tray 2) or Tray 1 (multipurpose tray) solenoid (1 of 3)
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							3.Carefully unwind the wire harness (callout 1) from the retainer on the gear cover (callout 2), and
then remove the cover.
Reinstallation tip When you reinstall the gear cover, make sure that you wrap the solenoid-wire
harness around the retainer on and on-half times in a clockwise direction.
Figure 2-108   Cassette pickup (Tray 2) or Tray 1 (multipurpose tray) solenoid (2 of 3)
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2
4.For the cassette (Tray 2) pickup solenoid : Remove one screw (callout 1), and then remove the
solenoid (callout 2).
For the Tray 1 (multipurpose tray) pickup solenoid : Remove one screw (callout 3), and then
remove the solenoid (callout 4).
Figure 2-109   Cassette pickup (Tray 2) or Tray 1 (multipurpose tray) solenoid (3 of 3)
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