HP 72SI User Manual download pdf (Page 138)

5-18 Calibrate the Service Station

6. Press ! (Proceed).

The control panel displays a message asking whether you

want to calibrate the service station position. If you choose

to do so, the control panel walks you through the proce-

dure. Shine a flashlight through the carriage cutouts (see

Fig. 5-6 on page 5-17 for location) to see how the wiper at

the left and right ends aligns with the printhead above it.

7. Press ! (Proceed).

The control panel displays a message asking whether you

want to change the height of the service station. If you

choose to do so, the control panel displays a message that

explains how to set the service station height. Use the sup-

plied hex wrenches to turn the adjustment screws on the left

and right sides of the carriage simultaneously, to ensure that

the service station remains level.

When properly adjusted, the wipers would just touch the

pin plate between the printheads. It may be necessary to

misalign the carriage as shown below to precisely measure

this distance. At this height, after the carriage is realigned to

the service station, the wipers will contact the printheads

with the correct amount of deflection. See Fig. 5-7 below.

Aligned

Not Aligned

Fig. 5-10. Service station alignment

Fig. 5-7. Service station height measured by

wiper contact with the pin plate

Printhead

Pin plate

Wiper

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HP 72SI User Manual Page 138