Table 3-23Component tests (1 of 2) (continued)

Component test

Component tested

Comments

 

 

 

Tray<X> Pickup Solenoid

SL2 (Tray 1 pickup solenoid)

Drives the Tray 1 pickup

 

SL1 (Tray 2 pickup solenoid)

solenoid SL2, the Tray 2

 

cassette pickup solenoid SL1,

 

SL1 (Tray 3 pickup solenoid)

the 500 sheet feeder pickup

 

solenoid SL1, and each of the

 

 

 

SL1 (Tray 4 pickup solenoid)

3x500 paper deck cassette

 

solenoids, cassette 1 SL1,

 

 

 

SL82 (Tray 5 pickup solenoid)

cassette 2 SL82, and cassette

 

3 SL92, individually for 5

 

 

 

SL92 (Tray 6 pickup solenoid)

seconds.

 

 

 

Switchback Flapper Solenoid

SL3 (duplex reverse solenoid)

Drives the duplex reverse

 

 

solenoid for 10 seconds.

 

 

 

Laser Scanner Motor

M10 (laser/scanner motor)

Drives the laser/scanner motor

 

 

at a specified speed for 10

 

 

seconds.

 

 

 

Additional component tests

The following tests are not supported in the firmware. These component tests are accomplished by manipulating or observing the product during operation or when the power is turned on.

Table 3-24Component tests (2 of 2)

Component test

Component tested

Comments

 

 

 

Paper Deck Cassette Lifter Motor

M9 (Tray 2 lifter drive assembly)

Open and then close a paper tray.

 

M2 (Tray 3 lifter drive assembly)

Listen at the back side of the product for

 

the sound of the lift motor for that tray.

 

M2 (Tray 4 lifter drive assembly)

If the lift motor does not make a sound

 

M82 (Tray 5 lifter drive assembly)

and the paper surface sensor for that

 

tray passes a sensor test (see Tray/Bin

 

 

 

M92 (Tray 6 lifter drive assembly)

manual sensor test on page 300),

 

replace the lifter drive assembly.

 

 

 

 

 

Power Supply Fan

FM1

Turn the product power off, and then on.

 

 

Listen at the left-front-lower corner area

 

 

of the print engine for fan noise while

 

 

the product initializes.

Full/half speed intake fan

 

Cools the following areas:

 

 

 

low-voltage power supply area

 

 

 

face-down bin

 

 

 

delivery bin

 

 

 

laser scanner area

 

 

 

 

 

 

 

ENWW

Tools for troubleshooting

317

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Image 341
HP Enterprise CP5525 manual Additional component tests, Full/half speed intake fan, 24Component tests 2