3.10 Replacing the Label Supply Spindle (3” and 1”) ....................................................................................................................................... 20
3.11 Replacing the Internal Rewinder DC Motor .............................................................................................................................................. 22
3.12 Replacing GPIO Interface Board (with Parallel Port) ................................................................................................................................ 23
3.13 Replacing the Main Board ........................................................................................................................................................................ 25
3.14 Replacing the Stepping Motor Assembly .................................................................................................................................................. 26
3.15 Replacing the Gap/Black Mark Sensor Module ........................................................................................................................................ 27
3.16 Cutter Module Installation (Option) ........................................................................................................................................................... 29
3.17 Peel-off Kit Installation (Option) ................................................................................................................................................................ 31
3.18 Slot-in Wireless Housing Installation (Option) .......................................................................................................................................... 36
3.19 Replacing the Bluetooth module .............................................................................................................................................................. 39
3.20 Care Label Cutter Module Installation (Option) ........................................................................................................................................ 41
3.21 Internal Rewinder Module Installation (Option, MH241/MH241T Series Only) .......................................................................................... 43
4. TroubleShooting .............................................................................................................................................................................................. 47
4.1 Knob Adjustment........................................................................................................................................................................................ 50
4.2 Ribbon Tension Adjustment Knob .............................................................................................................................................................. 51
4.3 Mechanism Fine Adjustment to Avoid Ribbon Wrinkles.............................................................................................................................. 52
5. Maintenance .................................................................................................................................................................................................... 55
Revise History ..................................................................................................................................................................................................... 57