Repair information 4-153
7558-xxx
If the Web page cannot be accessed, or an error persists despite trying to boot in Invalid Engine code mode,
then there is no way to backup the eSF apps. The technician needs to make the customer aware that the
applications and their setting could not be saved.
Note: There is a size limit on the export file - 128kb. Because of this, it is recommended that you don't use
the “global” backup found in Settings --> Import/Export --> Export Shortcuts File, Export Settings File,
Export Embedded Solutions Settings File and Export Security Setups File. Customers with a large
number of applications or settings may exceed the file size limit and have information truncated in the
exported file.
Sensor (image calibration) removal
1. Remove the printer front door. See “Printer front door removal” on page 4-13.
2. Remove the transfer belt cleaner. See “Transfer belt cleaner removal” on page 4-178.
3. Remove the waste toner box.
4. Remove the four photoconductor units.
5. Remove the four toner supplies.
6. Remove the operator panel front cover. See “Operator panel front cover (MFP) removal” on page 4-8.
7. Remove the printhead retract door. See “Printhead retract door removal” on page 4-145.
8. Remove the inner cover. See “Inner cover removal” on page 4-4.
9. Remove the inner plate. See “Inner plate removal” on page 4-98.
10. Remove the waste toner add chute. See “Waste toner auger chute removal” on page 4-194.
11. Remove the front left cooling fan. See “Front left cooling fan removal” on page 4-78.
12. Disconnect the cable (A) from the sensor (image calibration).
13. Remove the screw (B) from the sensor (image calibration).
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