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CL4NX/CL6NX Service Manual
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This chapter provides in-depth procedures on all primary component and assembly replacement, in
addition to most secondary components. Be sure to observe all precautions and warning notes.
The replacement procedures described in this section are as follows.
• 5.1 Removing the Housing Cover
• 5.2 Replacing the Print Head
• 5.3 Replacing the Platen Roller
• 5.4 Replacing the Media Sensor
• 5.5 Replacing the Main (CONT) PCB
• 5.6 Replacing the KB PCB
• 5.7 Replacing the Power Supply Unit
• 5.8 Replacing the Interface Board
• 5.9 Replacing the FPGA PCB (CL6NX Only)
• 5.10 Replacing the Timing Belt
• 5.11 Replacing the Head Open Sensor
• 5.12 Replacing the Ribbon Sensor
• 5.13 Replacing the Torque Limiter for Ribbon Rewind Spindle
• 5.14 Replacing the Torque Limiter for Ribbon Supply Spindle
• 5.15 Replacing the Torque Limiter for Liner Rewinder (Optional)
• 5.16 Replacing the Timing Belt for Liner Rewinder (Optional)
CAUTION
POWER OFF THE PRINTER AND REMOVE THE POWER CORD BEFORE YOU START ASSEMBLY OR
DISASSEMBLY.
5
Replacement