HP 450c Service Manual - Page 66

Clearing Just the UserĆDefined Setup Parameters

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Clearing the EEROM CAUTION If you clear the calibration parameters, you will then need to perform the Printer calibrations. (Details ' chapter 5.) Clearing the EEROM also resets the factory spittoon value to 0% used. Keep in mind that the value printed on the service configuration plot may greatly underestimate the amount of ink in the spittoon. Clearing Just the Benchrun and Calibration Parameters 1 Switch the Printer OFF. 2 While holding down the Form Feed, Cancel and Media Type keys down, switch the Printer ON. 3 Once the the LEDs begin to light up one by one, release the keys. Clearing Just the UserĆDefined Setup Parameters 1 Switch the Printer OFF. 2 While holding down the Reprint, Cancel, Media Type and Media Source keys down, switch the Printer ON. 3 Once the the LEDs begin to light up one by one, release the keys. 4-32 HP DesignJet 430, 450C and 455CA Printers Service Tests

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4-32
Service Tests
HP DesignJet 430, 450C and 455CA Printers
Clearing the EEROM
If you clear the calibration parameters, you will then need
to perform the Printer calibrations. (Details
'
chapter 5.)
Clearing the EEROM also resets the factory spittoon value
to 0% used. Keep in mind that the value printed on the
service configuration plot may greatly underestimate the
amount of ink in the spittoon.
CAUTION
Clearing Just the Benchrun and Calibration Parameters
1
Switch the Printer OFF.
2
While holding down the
Form Feed
,
Cancel
and
Media Type
keys
down, switch the Printer ON.
3
Once the the LEDs begin to light up one by one, release the keys.
Clearing Just the UserĆDefined Setup Parameters
1
Switch the Printer OFF.
2
While holding down the
Reprint
,
Cancel, Media Type
and
Media
Source
keys down, switch the Printer ON.
3
Once the the LEDs begin to light up one by one, release the keys.