Kyocera FS-9120DN Service Manual

FS-9120DN/9520DN
1-5-35
1-5-4 Electrical problems
Problem Causes Check procedures/corrective measures
(1)
The machine does
not operate when
the power switch is
turned on.
(2)
The drive motor
does not operate
(C2000).
(3)
The paper feed mo-
tor does not operate
(C2500).
(4)
The eject motor
does not operate.
No electricity at the power
outlet.
The power cord is not
plugged in properly.
The front cover, conveying
cover and/or side cover
are/is not closed com-
pletely.
Broken power cord.
Defective power switch.
Blown fuse in the power
supply unit.
Defective safety switch 1
or 2.
Defective power supply
unit.
Poor contact in the drive
motor connector terminals.
Broken drive motor gear.
Defective drive motor.
Defective engine controller
PWB.
Poor contact in the paper
feed motor connector ter-
minals.
Broken paper feed motor
gear.
Defective paper feed mo-
tor.
Defective engine controller
PWB.
Poor contact in the eject
motor connector terminals.
Broken eject motor gear.
Defective eject motor.
Measure the input voltage.
Check the contact between the power plug and the outlet.
Check the front cover, conveying cover and side cover.
Check for continuity. If none, replace the cord.
Check for continuity across the contacts. If none, replace the
power switch.
Check for continuity. If none, remove the cause of blowing and
replace the fuse.
Check for continuity across the contacts of each switch. If none,
replace the switch.
With AC present, check for 24 V DC at YC1-1 and 5 V DC at
YC2-5 on the power supply unit. If none, replace the power sup-
ply unit.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check visually and replace the drive motor if necessary.
Run maintenance item U030 and check if the drive motor oper-
ates when YC11-9 on the engine controller PWB goes low. If
not, replace the drive motor.
Run maintenance item U030 and check if YC11-9 on the engine
controller PWB goes low. If not, replace the engine controller
PWB.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check visually and replace the paper feed motor if necessary.
Run maintenance item U030 and check if the paper feed motor
operates when YC11-10 on the engine controller PWB goes low.
If not, replace the paper feed motor.
Run maintenance item U030 and check if YC11-10 on the en-
gine controller PWB goes low. If not, replace the engine control-
ler PWB.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check visually and replace the eject motor if necessary.
Run maintenance item U030 and check if the eject motor oper-
ates when YC16-B11, YC16-B12, YC16-B13 and YC16-B14 on
the engine controller PWB go low. If not, replace the eject motor.

Kyocera FS-9120DN Specifications

General

I/O ports	1 x Fast Ethernet 10/100 Base TX; 1 x High speed bi-directional parallel (IEEE 1284); 1 x USB 2.0 (High-Speed); 1 x KUIO LV Option-Interface slot.
Custom media sizes	88 x 148 mm - 297 x 450 mm
Power requirements	AC 220/240 V 50/60 Hz
Standard input trays	2 x 500
Recommended media weight	60 - 105 g/m²
Power consumption (active)	920 W
Maximum print size	297 x 420 mm
Maximum ISO A-series paper size	A3
Color	No
Print technology	Laser
Time to first page (black, normal)	7 s
Print speed (black, normal quality, A4/US Letter)	36 ppm
Memory slots	2
Storage media	HDD
Processor model	Power PC 750CX
Built-in processor	Yes
Maximum internal memory	544 MB
Internal storage capacity	20 GB
Sound power level (standby)	39 dB
Sound pressure level (printing)	53 dB
Total input capacity	1200 sheets
Maximum input capacity	4200 sheets
Paper tray 2 input capacity	200 sheets
Maximum duty cycle	55000 pages per month
Sustainability certificates	ENERGY STAR
Power consumption (standby)	160 W
Power consumption (PowerSave)	12 W

Weight and Dimensions

Dimensions (WxDxH)	585 x 639 x 615 mm