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Unit 3: Installation
S8400 Series Operator Manual
3-5 PN: 9001160B
PRINTER LOADING
MEDIA SELECTION
The size and type of labels to be printed should have been taken into consideration before printer purchase.
Ideally, the media width will be equal to, or just narrower than, the print head. Using media that does not cover the
print head will allow the platen roller to tread upon its surface resulting in premature wear. The media edge will also
wear a groove in the platen roller affecting print quality.
There are two types of media that may be used: thermal transfer and direct thermal. Thermal transfer media
requires the use of ribbon stock for print application. In such a scenario, it is the ribbon stock (carbon paper) that
contains the ink that will be transfered to the media.
Direct thermal media has thermally reactive material embedded within and is brought to the surface through heat
penetration by print head contact. Only load ribbon stock into the printer if that media type is to be used.
MEDIA LOADING
To load label media, unlatch the print head and remove any remnants that may exist of the prior media supply.
Feed the free end of the media from the printer’s left side, beneath the shaft of the media guide, between the upper
and lower halves of the label sensor, across the top of all forthcoming rollers, and through to protrude six or more
inches beyond the printer chassis.
Ensure the media is flush against the printer’s back side (toward the center wall) and then adjust the media guide
inward until it almost makes contact with the media’s backing paper.
Remove all labels from the backing paper that extend beyond the printer chassis and relatch the print head.
Lift upward on the pressure roller release knob (purple) and allow the pressure roller plate to fall to a vertical
position. Route the backing paper’s free end around the front of the printer chassis, beneath the front platen roller
and onward between the second platen roller and the pressure roller. Pull the free end of the backing paper to
remove all slack while lifting the pressure plate until latched. Refer to Figures 3-5 and 3-6 for visual assistance.
RIBBON LOADING
To load ribbon stock, unlatch the print head and remove exhausted ribbon stock if applicable. Insert an unused
ribbon roll, with ribbon core, fully onto the ribbon supply boss (left) and an empty core onto the ribbon rewind boss
(right). Route the ribbon’s free end around the print assembly and tape it to the blank core on the rewind boss.
Rotate the core a couple of times while holding the boss stationary to take up take up slack. Refer to Figure 3-5 and
Figure 3-6 for visual assistance.
WARNING: AVOID PHYSICAL CONTACT WITH THE PRINT HEAD TO PREVENT
BURNED FINGERS/HANDS AND COMPONENT DAMAGE.
NOTE: Properly installed label media will be oriented so that the label side is upward
and the backing paper is downward resting upon the printer chassis.
NOTE: Refer to the Printer Configuration unit of this manual for media configuration
instructions and the Adjustment chapter of the Maintenance unit for label sensor
adjustment instructions as necessary.
NOTE: Properly installed ribbon stock will be oriented so that its dull, ink side is facing
the printer chassis while the ribbon is dispensed and taken up on the right side of
each roll. The non-ink side of the riibon stock is the shiniest of the two surfaces.