Ricoh D124-17 Service Manual page 398

4. Replacement and Adjustment
• K2 over K1 on the left
12. Reconnect the harnesses to the HRB if you are replacing only the black print head unit
-or-
Go on to the next section if you need to replace the color print head unit.
Color Print Head Unit
1. Before you start disconnecting harnesses, note the position of thermistor connectors [1] and [2].
• [1] is the thermistor connector of K2 on the left.
• [2] is the thermistor connector of C on the right.
• Make sure that these harnesses are reconnected correctly.
2. Disconnect the FFCs and harnesses of both print head units [A].
3. Remove the rear cushion [B].
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