3 - 20
DIAGRAMS
Classifica-
tion
Causes
Operation in case of
warning occurrence
The main body is
stopped immediately if it
is in process of copying,
and main relay is turned
OFF.
* Limited use function
can work.
Main relay is turned OFF
and all keys are not
accepted.
The main body is
stopped immediately if it
is in process of copying,
main relay is turned
OFF, and all keys are
not accepted.
Main relay is turned
OFF, and all keys are
not accepted.
Releasing
method
OFF of main
switch → ON
OFF of main
switch → ON
Remove
jammed paper,
if any.
Set "0" to the
address 3-1,
3-2, 3-3, or 3-4
in DIPSW.
PS16 (upper limit (upper)) is not
turned ON within 7.5 seconds from
ON of M17 (upper try).
PS17 (upper limit (lower)) is not
turned ON within 7.5 seconds from
ON of M18 (lower try).
PS143 (LCT upper limit (1000)) is
not turned ON within 7.5 seconds
from ON of M142 (LCT try (1000)).
PS142 (LCT upper limit (1500)) is
not turned ON within 7.5 seconds
from ON of M141 (LCT try (1500)).
PS801 (LCT upper limit) does
not go ON within 30 sec. after
M801 (LCT up/down) goes ON.
Operation for charging corona
wire cleaning was tried, but it
was locked. Or, it was locked
on the half way.
Operation for transfer and sepa-
ration corona wire cleaning was
tried, but it was locked. Or, it
was locked on the half way.
When charging output is judged
to be abnormal discharge.
When transfer output is judged
to be abnormal discharge.
When separation output is
judged to be abnormal dis-
charge.
Fixing temperature is exceed-
ing about 220˚C/428˚F. (Fixing
high temperature trouble de-
tection software operates.)
Fixing temperature is exceed-
ing about 220˚C/428˚F. (Fixing
high temperature trouble de-
tection software operates.)
Warm-up is not completed
within a certain period from the
start of the warm-up. (Fixing
low temperature trouble detec-
tion software operates.)
After completion of warm-up,
fixing temperature is lower than
a prescribed temperature. (Fix-
ing low temperature trouble
detection software operates.)
[2] Trouble Codes
Estimated abnormal parts
F22-2
F28-1
F22-1
CB (Control board)
M17 (Upper try)
PS16 (upper limit (upper))
CB (Control board)
M18 (Lower try)
PS17 (Upper limit (lower))
CB (Control board)
M142 (LCT try (1000))
PS143 (LCT upper limit (1000))
CB (Control board)
M141 (LCT try (1500))
PS142 (LCT upper limit (1500))
Charging corona unit
CB (control board)
Transfer/separation unit
CB (control board)
Charging corona unit
HV1 (High voltage unit 1)
Transfer unit
HV2 (High voltage unit 2)
Separation unit
HV2 (High voltage unit 2)
TH1 (Fixing temperature
sensor 1)
TH2 (Fixing temperature
sensor 2)
TH1 (Fixing temperature
sensor 1)
TH2 (Fixing temperature
sensor 2)
L2 (Fixing heater lamp 1)
L3 (Fixing heater lamp 2)
L4 (Fixing heater lamp 3)
Fixing unit insertion fail-
ure
Paper feed
lifting
trouble
Wire
cleaning
trouble
High voltage
power
source
trouble
Fixing high
temperature
trouble
Fixing low
temperature
trouble
F28-2
F28-3
Warning
code
F34-1
F34-2
F35-1
F35-2
F18-4
(1500)
F18-3
(1000)
F18-2
(lower)
F18-1
(upper)
Main body
F18-5
DIAGRAMS-1
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