HP LASERJET ENTERPRISE M725dn Troubleshooting Manual page 360

Laserjet enterprise mfp m725
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Recommended action
This is an informational message, and no action is required.
30.03.20
Description
The copy processor board firmware cannot communicate with the PCA on the optical assembly.
Recommended action
1.
Turn the product off, and then on.
2.
Verify the FFC cables between scanner and scanner control board are connected.
3.
Replace the scanner.
30.03.22
Description
The scan module cannot see the illumination module, or marginal illumination. The optical assembly is
not parked under the calibration strip.
Recommended action
1.
Turn the product off, and then on.
2.
Upgrade the firmware.
3.
Check the service event log for other scanner errors, and resolve those errors.
4.
Check the scan module FFC connection.
5.
Replace the scanner.
6.
If the error persists, please escalate this problem to your Global Business unit.
30.03.23
Description
The calibration stitching label shifted or there are bad sensors in the scan module.
Recommended action
1.
Turn the product off and then on.
2.
Upgrade the firmware.
3.
Replace the scanner.
328
Chapter 2 Solve problems
ENWW

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