2. Test that the RCCB works correctly by pressing the test button.
● If the RCCB does not trip when the test button is pressed, this indicates that it has failed. The
R
CCB must be replaced for safety reasons; call your service representative to remove and
replace the RCCB.
● If the RCCB trips, this indicates it is working correctly; reset the RCCB to its normal on state.
Check that the printer is correctly earthed
Check that the resistance between any metal part of the printer’s internal chamber and the building’s
ear
th is less than 1 Ω.
Processing-station maintenance
Summary of maintenance operations
This topic provides a full set of reference information for this subject.
Table 11-25 Summary of maintenance operations
Frequency Maintenance operation
Before loading Clean the sieve on page 278
Clean the loading nozzle sensor on page 280
After unpacking Clean the working area on page 280
276 Chapter 11 Hardware maintenance
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