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7. Troubles
7. Troubleshooting
This chapter describes how to troubleshooting the pr
approaches:
■
A step-by-step verification procedure that system
printer are properly functioning until a problem is
7.1 Procedure for checking
printer are properly functioning until a problem is
■
An error code detail table shows the error codes,
7.1.1 System power-up sequence
y
p
p
q
The following lists the chain of events that occur when
You can follow this list as one means of determining w
When the power switch is turned on, these events occ
. The engine control board checks its RAM.
. All the engine fans are turned on to ensure they wor
Th f
h
( h l
l
) i
i
d
h
. The fuser heater (a halogen lamp) is activated to he
. The position of each toner cartridge is checked to e
. A print engine checks to see that the imaging unit, t
installed.
. The engine motors are rotated to ensure that their ro
. The transparency film sensor and the image density
they each emit.
. A check is made to determine whether any paper is
. The print engine checks the level of toner in each to
. After the fuser reaches its idle temperature, a color
. The printer is placed on line in its READY state.
. The print engine is initialized. If the startup page fea
with the printer, the printer prints a startup page.
Service Manual
CLX-9250/9350 series
7-
shooting
rinter. Troubleshooting is explained using two
matically confirms that particular components of the
found
symptoms
found.
, their possible causes, and troubleshooting.
n you turn on the printer.
whether the printer is operating correctly.
cur:
rk properly.
h h
d
ll
eat up the heated roller.
nsure they are in their parked positions.
he paper feeder and the transfer unit are
otation sensors are detected.
y sensors are “tuned” for the amount of infrared light
jammed in the printer.
oner cartridge.
correction cycle is performed.
ature has not been disabled and no error occurred
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