If the CFQ-6912 cable has been used, disconnect the cables being connected to the TB840.
They can be released by inserting a 4 mm width flat head screwdriver into the driver slots above
the cable slots.
Scanner units which installed with CFQ-6912 cable are:
NKE-2254-6HS
NKE-2103-6/6HS
(JMR-9225-6XH, JMR-7225-6XH)
(JMR-9210-6X/6XH, JMR-7210-6X/6XH)
①
②
TB840
4-453
RIF
TB840
Chapter 4 Replacement procedure