RJ-901C/RJ-900C 　 Maintenance Manual 4 Parts Replacement
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4.6 Replacement of Head Section Components
4.6.1 Replacing Print Head
NOTE
Before replacing the print head, remove the R side cover or the top cover.
"4.2.1 Removing R Side Cover" p.4-6
"4.2.6 Removing Top Cover" p.4-13
1. Perform ink discharge operation to discharge ink entirely from the ink paths.
TIP
"5.5.13 Head Cleaning Menu" p.5-45
2. Release the CR locker by pushing it with your finger, then move the carriage from the capping position
to the left.
3. Remove the CR board cover-retaining screw (M3
× 8, S tight cup: 1pce).
4. Remove the CR board cover.
No. Part name
1 CR board cover screw
2
CR board cover
1
2
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