S 2000/2001GM/3001GM EL7
10
10. MAINTENANCE
WHEN NOT IN USE:
- SWITCH OFF POWER
- ALWAYS LIFT UP THE PRINTER HEAD
10.1. CLEANING
Print Head
- Turn the power off.
- Wait until thermal head cools down.
- Lift the print head by using the lever on position 25c
- Remove labels and thermal ribbon.
- Moisten a cotton cloth with denatured alcohol.
-Polish the below side to remove incidental adhesive
traces or parts of labels
- Wait until dry before use
WARNING: never use hard tools as this may damage the print head.
Rubber feeding roll: use alcoholic detergents.
Photosensor: use a soft brush.
Metallic and plastic parts: use a soft cloth with
water-based detergent (weak).
Removing adhesive traces or parts of labels: use
alcoholic detergents. Be careful the liquid does not
drip on the electronic compartment.
11. TROUBLE SHOOTING
11.1. NO LABELS FEEDING
Four situations may occur.
a) RED led is OFF, check (pict.3,#100):
- main voltage
- main switch (pict.4,#103) ON.
- main connector (pict.4,#104) plugged in
- main fuses (pict.4,#6) intact.
b) RED led is ON, STATUS led is BLINKING GREEN,
check:
- label roll is not used up.
- paper position under the photosensor (pict.8,#10)
c) RED led is ON, STATUS led is BLINKING
alternately GREEN and YELLOW, check:
- thermal ribbon is not used up .
- thermal ribbon position under the photosensor
(pict.7,#48) .
d) RED led is ON, STATUS led is BLINKING
YELLOW:
- head temperature control active, printer stops until
temperature has fallen to normal values.
11.2. INCORRECT LABEL ALIGNMENT
Make sure that:
- print head is closed (pict.6,#25a)
- paper position under the photosensor (pict.8,#10)
- backing paper is correctly rewound (pict.6,#15)
- pressure clip (pict.6,#33) is positioned
between centre and outer side of the label.
- guide arm (pict.6,#32) is tightly pushed against
the side of the label roll.
See also "Label format set up procedure" paragraph
6.1
11.3. PAPER SLIDES TO RIGHT SIDE
Check whether:
- pressure clip (pict.6,#33) is positioned between
centre and outer side of the label.
- guide arm (pict.6,#32) is closely positioned against
the side of the label roll.
11.4. PRINTING WITH PATCHES MISSING
Check whether:
- thermal print head needs cleaning
(chapter 11)
- thermal ribbon unwinds correctly.
- there are creases on the rewound thermal ribbon. If
so, turn the nut (pict.7,#110) clockwise, in order to
increase the rewinding torque (a quarter of a turn
max) while holding the roller (pict.7,#29) still.
11.5. BLANK LABELS
Check whether
- the fuse (8AT) on the back panel has blown
- the print head connector is correctly plugged in
(pict.13,#112) with polarity key up.
- thermal ribbon is correctly positioned, opaque
surface on the label side .
11.6. POOR PRINTING CONTRAST
- See printer rear panel.
- turn the print head screw (pict.4,#106) for
temperature fine adjustment :
clockwise to make print darker.
anticlockwise to make print lighter.
Otherwise use the software command ?77& (see
Programming Manual)
BEWARE: continual high operating temperature of
thermal head may reduce its working life and may also
fuse the ribbon .
Содержание Smart 2000 EL7
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