Kyocera FS-C8026N Service Man page 93

Code
7301 Toner hopper error (black process
unit)
• When black toner is replenished (sim-
ple replenishment), if the replenish-
ment release level is not reached even
if black toner is replenished for 3 s (1
s) with the black toner low level not
detected, the state is regarded as a
black toner container non-installing
error. This error occurs four times.
7302 Toner hopper error (cyan process
unit)
• When cyan toner is replenished (sim-
ple replenishment), if the replenish-
ment release level is not reached even
if cyan toner is replenished for 3 s (1 s)
with the black toner low level not
detected, the state is regarded as a
cyan toner container non-installing
error. This error occurs four times.
7303 Toner hopper error (magenta process
unit)
• When magenta toner is replenished
(simple replenishment), if the replen-
ishment release level is not reached
even if magenta toner is replenished
for 3 s (1 s) with the magenta toner low
level not detected, the state is
regarded as a magenta toner con-
tainer non-installing error. This error
occurs four times.
7304 Toner hopper error (yellow process
unit)
• When yellow toner is replenished (sim-
ple replenishment), if the replenish-
ment release level is not reached even
if yellow toner is replenished for 3 s (1
s) with the yellow toner low level not
detected, the state is regarded as a
yellow toner container non-installing
error. This error occurs four times.
7600 Toner ID sensor problem
• The sampling input of toner ID sensor
1 and toner ID sensor 2 without patch
exceeds the threshold respectively.
7610 Image density measurement timing
problem
• The measured value of density patch
is abnormal.
7620 Color registration timing error
• The number of PG lines for registration
correction 32 is not detected properly.
Contents
Causes Check procedures/corrective measures
Black toner con- Check the state of the black toner container
tainer is not and install it properly.
installed.
Defective engine Replace the engine controller PWB (see
controller PWB. page 1-6-26).
Cyan toner con- Check the state of the cyan toner container
tainer is not and install it properly.
installed.
Defective engine Replace the engine controller PWB (see
controller PWB. page 1-6-26).
Magenta toner Check the state of the magenta toner con-
container is not tainer and install it properly.
installed.
Defective engine Replace the engine controller PWB (see
controller PWB. page 1-6-26).
Yellow toner con- Check the state of the yellow toner container
tainer is not and install it properly.
installed.
Defective engine Replace the engine controller PWB (see
controller PWB. page 1-6-26).
Defective toner ID Replace the transfer unit.
sensor 1 or 2.
Defective engine Replace the engine controller PWB (see
controller PWB. page 1-6-26).
Faulty density due Check the drum unit, high voltage unit,
to a mechanical developing unit, and transfer unit. If any
cause. problem is found, replace the unit.
Defective engine Replace the engine controller PWB (see
controller PWB. page 1-6-26).
Remarks
2BF
1-5-17