KONICA 1312 Service Manual ech8
Chapter 8 Service Functions
8-1. Error codes ................................................. 8-1
8-2. User setting mode...................................... 8-4
8-2-1. Setting procedure ................................... 8-4
8-2-2. Setting item list ....................................... 8-4
8-3. Service mode.............................................. 8-6
8-3-1. Entering the service mode ..................... 8-6
8-3-2. 25 mode ................................................... 8-7
8-3-3. 36 mode ................................................... 8-9
8-3-4. 47 mode ..................................................8-11
8-4. Backup data.............................................. 8-13
8-5. Automatic paper size detection .............. 8-13
8-6. General operation mode.......................... 8-14
8-1. Error codes
Chapter 8 Service Functions
Order of
display
priority
1
2
3
4
5
Code
F34
F35
F36
F43
F54
Symptom
Fusing high
temperature
abnormality
Fusing low
temperature
abnormality
Fusing sensor
abnormality
AVR abnormality
Fan motor lock
Cause
* The fusing temperature exceeds the
specified temperature. (Detection
temperature = 225°C)
* The unit does not warm up even after
the set time (60 sec.) has passed from
the warm up start.
* After warming up, the fusing lamp does
not turn OFF for the specified time (30
sec.) or more.
* Fusing low temperature/thermistor
open/wire breakage.
* The temperature does not exceed -5
even after 10 sec. from the warm up
start.
* The exposure lamp error signal is ON
continuously for 15 sec. or more.
(The lamp is continuously lit, or the lamp
or temperature fuse is blown.)
* The exposure lamp does not light. (For
two seconds)
* The fan's unlock signal is detected for
two continuous seconds while the fan is
operating.
°C
Unit operation
* Copy operation impossi-
ble.
* Main unit instantaneously
stops.
* Main relay turns OFF.
* Copy operation impossi-
ble.
* Main unit instantaneously
stops.
* Main relay turns OFF.
* Copy operation impossi-
ble.
* Main unit instantaneously
stops.
* Main relay turns OFF.
* Copy operation impossi-
ble.
* Main unit instantaneously
stops.
* Main relay turns OFF.
*
Copy operation impossible.
*
Main unit instantaneously stops.
* Main relay turns OFF.
* 25-47
* Power ON/
* 25-47
* Power ON/
* 25-47
* Power ON/
* Power ON/
* Power ON/
Releasing
method
OFF
OFF
OFF
OFF
OFF
1
6
7
8
9
10
F49
F41
F42
F52
F45
SDH temperature
abnormality
Scanner return
abnormality
Scanner feeding
abnormality
Main motor drive
abnormality
Lens
drive abnormality
Developer
11
F26
initialization
abnormality
Engine section
12
F50
EEPROM
abnormality
13
P51
Upper cover
open
* When using the SDH, the platen
temperature rises to the specified
temperature.
* The Scanner HP sensor does not turn
ON even after a set time passed from
the return drive ON.
* The Scanner HP sensor does not turn
OFF even after a set time passed from
the feed drive ON.
* The unlock signal is detected for one
continuous second during the main
motor drive.
* The initialization is not completed within
a set time during the lens drive motor
drive.
* Developing unit initialization error
* Engine section EEPROM access error
* The upper cover is open.
* Instantaneous stop.
Copy operation impossible.
*
*
Main unit instantaneously stops
* Main relay turns OFF.
Copy operation impossible.
*
*
Main unit instantaneously stops
* Main relay turns OFF.
*
Copy operation impossible..
*
Main unit instantaneously stops
* Main relay turns OFF.
*
Copy operation impossible.
*
Main unit instantaneously stops
* Main relay turns OFF.
Copy operation impossible.
*
* Main unit instantaneously
stops.
* Main unit instantaneously
stops.
Copy operation impossible.
*
*
Main unit instantaneously stops.
* Power ON/
* Power ON/
* Power ON/
* Power ON/
* Power ON/
* Insialize of
Developing
unit
* Power ON/
* Close the
OFF
OFF
OFF
OFF
OFF
OFF
upper cover.
14
J32
MODEL
Fusing paper
exit jam
1312
SERVICE HANDBOOK
MANUAL
* The JAM2 sensor does not turn OFF
within 2.85 to 3.13 seconds after JAM1
sensor turned OFF. (During copying)
* Paper on the JAM2 sensor. (When
stationary)
REVISED EDITION
8-1
1
* Instantaneous stop
* The fusing heater turns
OFF.
DATA
May.1999
PAGE
8-1
* Open the
upper cover
and remove
the jammed
paper.
METHOD
REPLACEMENT
Chapter 8 Service Functions
Order of
display
priority
Code
Symptom
Cause
Unit operation
Releasing method
15
16
17
18
19
20
J16
J31
J61
J62
J11
J12
Paper feed jam
Conveyance
jam
SDH open
SDH jam
Paper feed jam
Paper feed jam
* Paper on the JAM1 sensor. (Only when
stationary)
* The JAM2 sensor (fusing paper exit
sensor) does not turn OFF within 2.85 to
3.54 sec. after the regist clutch turned
ON.
* The SDH is open while SDH is driven.
* Jam during the SDH document feed,
conveyance or exit.
* Paper is incorrectly supplied from the
unit standard cassette (upper cassette).
* The paper does not reach the JAM1
sensor within 1.30 sec. after the upper
cassette paper feed solenoid turned
ON.
* Paper is incorrectly supplied from the
operation cassette feeder (lower level).
* The paper does not reach the JAM1
sensor within 3.21 sec. after the lower
level paper feed solenoid turned ON.
* Maintains the stop
state.
* The fusing heater
turns OFF.
* Instantaneous stop
* The fusing heater
turns OFF.
* The SDH instanta-
neously stops.
* Operation stops
after the previous
paper exits.
* The SDH instanta-
neously stops.
* Operation stops
after the previous
paper exits.
*Operation stops
after the previous
paper exits.
* Operation stops
after the previous
paper exits.
* Open the jam lid on
the side of the unit,
and remove the jam
paper.
* Then, open and
close the upper
cover.
* Open the upper
cover and remove
the jam paper.
Close the SDH cover
* Remove all docu-
ments from the
SDH once.
* Open the jam lid on
the side of the unit,
and remove the jam
paper.
* Then, open and
close the upper
cover.
* Open the cassette
feeder or jam lid on
the side of the unit,
and remove the jam
paper.
* Then open and
close the upper
cover.
21
22
1
23
24
P20
P20
P26
P24
(Blink)
25
P29
(Blink)
MODEL
Drum cartridge
not mounted
Developing unit
not mounted
Developing unit
initialization
Change drum
Change
developer
MANUAL
* The drum cartridge is not installed.
* The developing unit is not installed.
* The recycle pipe is not set.
* The developing unit is not initialized.
*
This appears to indicate that the drum must
be replaced when 500 sheets have been
copied after the check drum display.
* This appears to indicate that the
developing unit must be replaced when
the toner is emptied after the check
developer display.
REVISED EDITION
DATA
* Copy operation
impossible.
* Copy operation
impossible.
* Copy operation
impossible.
* Copy operation
stops after the
previous paper
exits.
* Copy operation
stops after the
previous paper
exits.
PAGE
* Mount the drum
cartridge.
* Mount the devel-
oping unit.
* Set the recycle
pipe.
* Initialize the
developing unit.
* Replace and
initialize the drum.
* Replace and
initialize the
developing unit.
METHOD
8-2
1312
SERVICE HANDBOOK
1
May.1999
8-2
REPLACEMENT
Chapter 8 Service Functions
Order of
display
priority
26 P25
1
27 P49
28
(Note 1)
29 P25
(Note 3) (Blink)
30 P27
(Note 2)
Code
Symptom
Supplying toner
Cooling SDH
Out of paper
Toner empty
Check developer/
drum
Cause
* The toner level is low.
* A document with a high black ratio was
continuously copied.
* When using the SDH, the platen section
rose to the specified temperature.
* No paper in the selected cassette.
* Toner empty
* This appears when check drum and
check developer occur simultaneously.
Unit operation
* The copy operation
is suspended. After
forced supply, the
remaining copies
are automatically
made.
* The copy operation
is suspended to cool
the unit.
* The copy operation
will resume when
the unit cools to the
specified temperature.
* Copy operation
stops after the
previous paper exits.
* After copying 30
sheets, copy
operation stops
according to the
toner empty.
* This is only a
display. The copy
operation will
continue.
Resetting
method
* Automatically
reset.
Note when there
is no toner left in
the core, Toner
empty (P25 blink)
will appear.
* Automatically
reset.
* Supply paper.
* Supply toner.
* If the change
developer or
change drum
display appears,
follow the instructions.
31 P24
(Note 2)
32 P29
(Note 2)
33 P11
(Note 3)
34 P12
(Note 3)
Check drum
Check developer
Upper cassette
paper size error
Lower cassette
paper size error
* This indicates that the No. of copies
made by the drum has reached 24500
sheets, and the drum replacement
interval is nearing.
* This indicates that the No. of copies
made with the developer has reached
25000 sheets, and the developer
replacement interval is nearing.
* The size setting for the upper cassette is
incorrect.
* The size setting for the lower cassette
is incorrect.
* This is only a
display. The copy
operation will
continue.
* This is only a
display. The copy
operation will
continue.
*
After the copy
operation is completed, a warning will
appear. However, the
copy operation is not
be prohibited.
*
After the copy
operation is completed, a warning will
appear. However, the
copy operation is not
be prohibited.
* When the change
drum display
appears, replace
and initialize the
drum.
* When the change
developer display
appears, replace
and initialize the
developing unit.
* Set the correct
size for the upper
cassette.
* Set the correct
size for the lower
cassette.
(Note 1) This is not displayed by the code.The cassette LED will blink.
(Note 2) This appears at Auto Clear or when the power is turned ON. The error display will go out when the nu-
meric keys, Stop key or Copy key are pressed.
(Note 3)
This is displayed again at Auto Clear or when the power is turned ON after the copy operation is completed.
The error display will go out when the numeric keys, Stop key or Start Print key are pressed.
MODEL
1312
MANUAL
SERVICE HANDBOOK
REVISED EDITION
8-3
1
DATA
May.1999
PAGE
8-3
METHOD
REPLACEMENT
Chapter 8 Service Functions
8-2. User setting mode
8-2-1. Setting procedure
: Indicates key operation.
Return to Auto Clear state
Standby
Press the
"Select Paper"
key for 5 sec.
Setting default
state
Stop key
Input the
Stop key
NO
setting values
Start Print
Valid number?
YES
Set
Setting completed.
Note 2: The “Magnification”, “Enlarge”, “Reduce” and “Select Paper” keys are invalid in this mode.
Note 3: Auto Clear and Power Save operations are invalid in this mode.
8-2-2. Setting item list
C-00 to C-09: Standard cassette paper size setting
Item No.
Details
Input a 2-digit number with
the numeric keys.
Note 1:The key operation is ignored if press the "Start
Print" key after the input of the 1-digit number.
1
Option cassette paper size setting
Item No.
Details
C-00 LT
C-01 LG
C-02 A4
C-03 B5
C-04 A5
C-05 F4-1: 8X13"(203X330mm)
C-06 F4-2: 8.5X13"(216X330mm)
C-07 F4-3: 8.25X13"(210X330mm)
C-08 F4-4: 206X337mm
C-09 -
MODEL
1312
SERVICE HANDBOOK
MANUAL
C-10 LT
C-11 LG
C-12 A4
C-13 B5
C-14 A5
C-15 F4-1: 8X13"(203X330mm)
C-16 F4-2: 8.5X13"(216X330mm)
C-17 F4-3: 8.25X13"(210X330mm)
C-18 F4-4: 206X337mm
C-19 -
REVISED EDITION
8-4
1
DATA
May.1999
PAGE
8-4
METHOD
REPLACEMENT
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