List Of Warning (Error) Codes - Konica Minolta 7020 Service Manual

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LIST OF WARNING (ERROR) CODES

Warning
Classification
code
Communication F10-1
abnormalities
F10-2
F10-9
Feed-tray and F18-1
drum-area
abnormalities
F18-2
F18-3
F18-4
F22-1
F23-1
Causes
Failure in serial
communication between the
PRDB (printer drive board)
and CB (overall control board).
Two consecutive failures to
respond to PRDB (printer drive
board) A/D conversion request.
Communication error at PRDB
(printer drive board)
SRGA (serial gate array) error.
(Error in protocol for receive
control signals SREC, SACK.)
Error in main body upper tray
PS7 (tray upper limit detect
(upper)) failed to turn ON
within 26 seconds after M7
(tray (upper)) ON.
Error in main body lower tray
PS10 (tray upper limit detect
(lower)) failed to turn ON
within 26 seconds after M8
(tray (lower)) ON.
Error in DB upper tray
PS102 (upper limit detect
(upper)) failed to turn ON
within 26 seconds after M101
(tray 1) ON.
Error in DB lower tray
PS107 (upper limit detect
(lower)) failed to turn ON
within 26 seconds after M102
(tray 2) ON.
Internal overheating
The temperature at the
outside of the drum reached or
exceeded 47˚C.
PCL connector detached
With 24V ON and PCL OFF,
the PCL EM signal (pcl_em)
was detected as "H" (software
logic).
Resulting
Correction
operation
If copying is in Switch SW2 (sub
progress, the power switch)
main body OFF and then
stops back ON.
immediately,
and the main
relay and 24V
power turn
OFF.
Switch SW2 (sub
power switch) OFF,
connect the PCL
connector, and then
set SW2 ON.
8-31
LIST OF WARNING (ERROR) CODES
Estimated abnormal parts
PRDB (printer drive board)
CB (overall control board)
PRDB (printer drive board)
PRDB (printer drive board)
CB (overall control board)
PRDB (printer drive board)
M7 (tray (upper))
PS7 (tray upper limit detect
(upper))
PRDB (printer drive board),
M8 (tray (lower))
PS10 (tray upper limit detect
(lower))
PFU DB (PFU drive board)
or LCT DB (LCT drive board)
M101 (tray 1)
PS102 (upper limit detect
(upper))
PFU DB (PFU drive board)
M102 (tray 2)
PS107 (upper limit detect
(lower))
TCSB (toner-control sensor
1
board)
FM4 (internal cooling)
PCL connector
PRDB (printer drive board)