Operator`s manual

7.2 Operator Troubleshooting
Faults related to incorrect paper control or configuration settings are
operator correctable. Check the current configuration and switch settings
for erroneous settings (see Chapter 4 for proper settings). Possible
mechanical, electrical, and EVFU problems and the remedial actions
taken before calling for service, are listed in Tables 7–1 and 7–2.
NOTE
Before calling for service, always perform the initialization
sequence described in Chapter 4. If one of the fault indications
listed in Table 7–1 appear on the display, report this when
calling for service.
WARNING
Dangerous voltages exist in the LG31. There are no internal
user serviceable parts. Refer to qualified service personnel.
Table 7–1: Possible Mechanical Problems and Remedies
Observed Problem Probable Cause and Remedies
Printer will not print.
Display is [ P o ].
Out of paper. Install paper (if forms, align
paper with notches in top tractors). When
paper is inserted in bottom tractors, paper
out switch is pressed and the fault cleared.
Printer is off-line. Press ON LINE key to
print.
Printer will not print.
Display is [ r c o].
Ribbon cartridge is out. Replace in
accordance with the ‘‘Ribbon Cartridge’’
procedure in Chapter 6.
Printer will not print.
Display is [ S b o].
Striker bar open. Adjust striker bar and
check other settings as noted under ‘‘Load
Paper’’ procedure in Chapter 6.
Printer stalls and printer is
locked up.
Display is [ S d r].
Motor driver interference due to:
Paper jam
Paper gap too small
Turn power OFF, correct problem, and turn
power ON.
7–2 OPERATOR MAINTENANCE