
Unit 7: Replacement Procedures
GL4xxe Series Service Manual
7-31
INTERNAL REWINDER FEED ROLLER REPLACEMENT
The fuse is wired to the power receptacle through the main circuit board and protects the printer from power surges
1. Open the rear housing covers to access power board (1, Figure 7-24).
2. Detach defective fuse (2) from power board (1) and insert replacement fuse (2) in its place.
Figure 7-26, Replacement
CAUTION: OPENING THE REAR HOUSING COVERS WITH INTERFACE CARDS
INSTALLED WILL RESULT IN COMPONENT DAMAGE. ALWAYS REMOVE FIRST.
NOTE: The orientation of the fuse does not matter. It only has to be installed into its
respective cylinder and be able make contact on each end to function.
NOTE: Fuse amperage and voltage rating may be found stamped into the fuse’s
metal contacts or labeled on the printer’s rear.
CAUTION: IMPROPER FUSE USAGE MAY RESULT IN DESTROYED
ELECTRICAL COMPONENTS AND/OR FIRE. ENSURE THE DAMAGED FUSE IS
REPLACED WITH ONE OF IDENTICAL PHYSICAL DIMENSIONS AND
AMPERAGE. TO DO THIS, DUPLICATE THE INFORMATION STAMPED ON THE
FUSE’S METAL CASING.
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