Ricoh D124-17 Service Manual page 402

4. Replacement and Adjustment
14. Disconnect the thermistor harness [A] from the old unit (removed from the machine) for re-
connection to the new unit.
15. Disconnect the three air sensor harnesses [B], [C] and [D] from the old print head unit (removed
from the machine) for re-connection to the new unit.
• When you discard the old unit, always obey local laws and regulations regarding the
disposal of such items.
16. Check the paper under the carriage unit. If it is stained with ink remove it, and then replace it with a
fresh sheet of paper.
New Color Print Head Unit Installation
Follow the removal procedure in reverse to install the new black print head unit, but please pay attention
to these important points during the installation procedure.
1. Remove the tape and protective metal cap from the new unit.
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