Anadex DP-9000 - Page 67

TABLE 4-1. TROUBLESHOOTING
STI1PTOM PROBABLE CAUSE AND ACTION
POWER indicator will not illu-
minate when pressed ON
POWER is ON but ON LINE
indicator will not
illuminate
4-5
Power cord not connected.
Power fuse (F3) is blown.
Replace the fuse (1.5A for
115 Vac, 0.75A for 230 Vac).
If it blows again the trans-
former or power supply is
faulty. Refer unit to ser-
vice center.
Faulty POWER switch or Volt-
age Selection card. Refer
unit to service center.
No paper in the machine.
Faulty paper detector switch.
Refer unit to service center.
A connection has been made
between pin 31 of the para-
llel interface connector and
the data source and this
line is held low (OV) by the
data source. Remove Power
and the interface connection
and try again. If the unit
now comes ON LINE repair the
cable or correct fault at
data source.
Press the FEED switch. If
paper advances press the ON
LINE switch and then press TOF
and SELF TEST. If paper does not
advance pres s TOF and SELF TEST.
If the printer prints the
SELF TEST results in either
case the ON LINE light is
faulty. Replace lamp (see
replacement procedures). If
SELF TEST does not work the
circuit board is faulty.
Refer unit to service center.
NOTE
Replacement of the circuit
board also requires printer
timing alignment which should
be done by a trained techni-
cian with special equipment.