Swecoin TTP 5200, Service Manual

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December 2001 TTP 52x0 Series Kiosk Printer— Service Manual 13
Symptom Suggested actions
Printer does not work
at all •
Check that the paper release lever is in vertical position (print
head presses against the paper).
•
Check for paper jam between print module and cutter. If cutter is
not in home position, check function of cutter home switch.
•
Red and green voltage indicator lamps should be ON (visible
from the rear of the printer).
If both lamps are OFF, check that the power cable is connected
at both ends and that the power supply is switched ON. Check
line-voltage-supply fuses.
If only the red lamp is OFF, replace the PCB.
No cutting
•
Check that the connector for the cutter motor and the cutter home
sensor is fully seated on the control board.
Bad cutting (uneven top
and bottom document
edges)
•
Switch OFF, remove any obstructing paper particles in cutter and
presenter modules.
Missing print or irregular
spots •
Paper may be too humid. Let the paper adapt to ambient
temperature and humidity for approximately 24 hours before use.
•
The paper used might not meet the paper specification.
*)
White longitudinal lines
in the printout •
Clean printhead with isopropyl alcohol.
•
Replace print module.
Faint print •
The paper used might not meet the paper specification. *)
•
Clean printhead with isopropyl alcohol.
Strange characters or
graphics printed, or any
kind of strange printer
behavior. •
Might be caused by erroneous data sent from the host. Check
validity of transferred data by using the hex dump test function
described below.
•
Check setting of transmission speed and parity.
3.2 Hex dump
Use the following procedure to set the printer in HEX dump mode:
1. Switch OFF the printer.
2. Lower the paper release lever.
3. Keep the form feed button depressed while you switch the printer ON again.
4. Raise the paper release lever. Until you switch OFF the printer, it will present all
transferred data both in hexadecimal notation and as ASCII characters in two adjacent
columns containing 8 bytes each. The printout is formatted for 60-mm page width.
Switching the printer OFF and ON again resets it to normal operating mode.
*)
The paper specifications are available in the Technical Specifications.