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Maintenance
4-4
4.3 User Replaceable Parts
Replacement of the Print Head
The print head has an expected life time of approximately 350,000 pages (see
Page Counter (PGCNT in PRINT TEST 3).
Print Head Removal
Caution: The print head may be very hot immediately after printing.
1. Remove theoutput stacker (1) (only for printer CI - 4050).
2. Switch the printer ON, lift and remove the top cover (2). The print head will
move to the correct position, aligned with the cut-out in the paper guide plate.
3. Switch the printer OFF again.
4. Remove the ribbon cassette (3).
5. Disconnect the print head cable (4).
6. Using the supplied tool (7)., loosen the two captive screws (6) retaining the
print head (5). Use the enclosed plastic case as an extension for the socket
head cap key
7. Remove the print head (5).