Line sensor – HP 1055CMHP User Manual
Page 125
Service Calibrations
5-9
HP DesignJets 1050C and 1055CM Printers Service Manual
2. Line Sensor
The purpose of this Service Calibration is to calibrate the intensity
of the line sensor in the Carriage PCA. An incorrect calibration can
result in edge-detection failures during media loading and incorrect
reading of prints that are used for alignment or calibration.
Perform the Line Sensor Calibration whenever:
n
Edge detect procedure fails during media loading.
n
Carriage is disassembled or replaced.
n
Banding is detected in prints.
n
Misalignment between colors is detected.
Perform the Line Sensor Calibration as follows:
NOTE
Make sure you load HP Coated media in to the Printer before
performing this calibration.
1 In the Service Calibrations submenu, scroll to "2. Line Sensor cal"
and press Enter.
2
The following message will appear asking you to confirm the operation.
Select ACCEPT if you want to continue the Line Sensor Calibration, or
select CANCEL if you want to cancel the it. Press Enter once the selection
has been made
.
Top
Enter
Back
↑
↓
Press Enter
Service Calibrations
3. Service station...
4. Roller mark position...
5. Pen to Paper Spacing...
1. Accuracy cal...
2. Line sensor cal...
Make Selection
Line Sensor Calibration
Cancel
Accept
Top
Enter
Back
↑
↓
Press Enter
Make Selection