7. Now change the lens shield. First, pull the shield out from below
the latch on the front of the printer. Next, make sure that both
sides of the new lens shield are clean and free of scratches. (Hold
onto the green tab so the tab curves down; avoid touching the lens
itself.) Slide the end of the lens opposite the green tab into the
printer. (See Figure 5-10 on page 5-13.)
8.
Close the printer.
Service Maintenance
It may sometimes be necessary to call for
a
service technician to
repair a problem with
the
GQ-3500. Because the printer has built-in
self-diagnostic capabilities, it will indicate
when this
is necessary. If
there is a serious problem, the
SERVICE REQUIRED
light flashes and
a message is displayed in the status indicator.
mechanical error
In case of an error with the engine driver CPU, the main motor, the
optical unit, or the fusing unit, the status indicator displays
alternating with a two-digit error code number.
If this happens, write down the error code number, turn off the power,
and contact a qualified service representative.
E
1: printer controller error
If
the
GQ-3500 detects an error in its controller unit or its system
memory, the status indicator displays alternating with a two-digit
error code number.
Unlike an error, this type may correct itself if you reset the printer.
Turn the printer off for a few seconds, then turn it back on. If the error
condition still exists, write down the error code,
turn
off the power, and
contact a qualified service representative.
If error code Cd alternates with this indicates an IC card
installation error. Turn off the power and properly install
the
IC card.
If the error recurs, contact
a
qualified service representative.
Maintenance and Status Messages
5-15
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