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Error code Phenomenon Possible cause Items to confirm / Countermeasures Precautions / Remarks
CB31 An error occurs
because the movable
tray cannot be lowered
(or lifted up) to the
specified position after
printing operation.
1. The movable tray cannot be
lowered or lifted up because the
load is applied to the movable tray
by the contact of the tray and
COVER-RAIL-FRONT (or
COVER-RAIL-REAR).
Check if the inner hooks of COVER-RAIL-FRONT and COVER-RAIL-REAR are properly latched. Reinstall them if
not.
The movable tray and COVER-
RAIL-FRONT contact.
COVER-RAIL-FRONT
COVER-RAIL-REAR
Abnormal
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