SERVICE MANUAL - O. Rensch OHG
SERVICE MANUAL - O. Rensch OHG
SERVICE MANUAL - O. Rensch OHG
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Wiring diagram<br />
A B C D E F G H I J<br />
1<br />
2<br />
3<br />
4<br />
5<br />
6<br />
7<br />
8<br />
Thermal<br />
cutout<br />
L L<br />
N N<br />
Heater lamp<br />
Thermistor<br />
Drum<br />
YC-M<br />
Transfer roller<br />
YC-T<br />
CN2<br />
A1/B1<br />
A2/B2<br />
A3/B3<br />
A4/B4<br />
A5/B5<br />
A6/B6<br />
A7/B7<br />
A8/B8<br />
A9/B9<br />
A10/B10<br />
A11/B11<br />
A12/B12<br />
A1/B1<br />
A2/B2<br />
A3/B3<br />
A4/B4<br />
A5/B5<br />
A6/B6<br />
A7/B7<br />
A8/B8<br />
A9/B9<br />
A10/B10<br />
A11/B11<br />
A12/B12<br />
YC-B<br />
Toner<br />
sensor [PWB]<br />
(KP-786)<br />
A B C D E F G H I J<br />
L<br />
N<br />
THERM<br />
+5V<br />
3<br />
1<br />
1<br />
2<br />
1<br />
2<br />
CN2<br />
+5V 1 1 CN1<br />
+5V 2345678910 2345678910<br />
FAN<br />
PGND<br />
PGND<br />
High voltage board<br />
+24V2<br />
THERM<br />
HEATN<br />
SLEEPN<br />
EXITN<br />
ZCROSS 11 11<br />
+24V1 12 12<br />
+24V1 13 13 SW1<br />
SGND 14 14<br />
SGND 15 15<br />
1<br />
2<br />
3<br />
3<br />
1<br />
1<br />
2<br />
1<br />
2<br />
1<br />
2<br />
3<br />
1 1<br />
2 2<br />
3 3<br />
4 4<br />
5 5<br />
6 6<br />
7 7<br />
8 8<br />
9 9<br />
10 10<br />
11 11<br />
12 12<br />
13 13<br />
14 14<br />
15 15<br />
16 16<br />
1 1<br />
2 2<br />
3 3<br />
4 4<br />
5 5<br />
6 6<br />
7 7<br />
8 8<br />
9 9<br />
10 10<br />
11 11<br />
12 12<br />
13 13<br />
14 14<br />
Cooling<br />
fan<br />
1<br />
2<br />
3<br />
1<br />
2<br />
1<br />
2<br />
1<br />
2<br />
3<br />
1<br />
2<br />
1<br />
2<br />
3<br />
16 16<br />
15 15<br />
14 14<br />
13 13<br />
12 12<br />
11 11<br />
10 10<br />
9 9<br />
8 8<br />
7654321 7654321<br />
14 14<br />
13 13<br />
12 12<br />
11 11<br />
10 10<br />
9 9<br />
8 8<br />
7654321 7654321<br />
+24V2 1<br />
PGND 23456<br />
PFMDRN<br />
PFCLK<br />
PFPFPER<br />
PFSEN<br />
1 1<br />
2 2<br />
3 3<br />
4 4<br />
5 5<br />
6 6<br />
7 7<br />
8 8<br />
9 9<br />
10 10<br />
1<br />
2<br />
3<br />
1<br />
2<br />
3<br />
4<br />
5<br />
1<br />
2<br />
3<br />
1<br />
2<br />
3<br />
4<br />
5<br />
10<br />
9<br />
8<br />
7654321<br />
10<br />
9<br />
8<br />
7654321<br />
13 13<br />
12 12<br />
11 11<br />
10 10<br />
9 9<br />
8 8<br />
7 7654321<br />
5<br />
4321<br />
1<br />
2<br />
3<br />
1<br />
2<br />
3<br />
4<br />
5<br />
YC7<br />
GND/ GND<br />
1/2<br />
30/29<br />
1 +5V 3 YC3 YC1 GND/SW<br />
3/4<br />
28/27<br />
23 HPSWN 21<br />
SWN/SH<br />
5/6<br />
26/25<br />
GND<br />
GND/CPN<br />
7/8<br />
GND/RSN<br />
24/23<br />
9/10<br />
GND/CCDCLK<br />
22/21<br />
11/12<br />
GND/CCDCLKN<br />
20/19<br />
13/14<br />
18/17<br />
CCD board<br />
GND/GND<br />
15/16<br />
16/15<br />
(KP-5065)<br />
GND/CCDG(O)<br />
17/18<br />
GND/CCDB(E)<br />
14/13<br />
19/20<br />
GND/CCDR<br />
12/11<br />
21/22<br />
+12V/+5V<br />
10/9<br />
23/24<br />
+5V/HPSWIN<br />
8/7<br />
25/26<br />
PGND/PGND<br />
6/5<br />
YC2<br />
27/28<br />
LAMP/LAMP<br />
4/3<br />
29/30<br />
2/1<br />
YC1<br />
1 ISUMOTA<br />
1 1<br />
234<br />
234 234<br />
Exposure lamp<br />
+24V2 / +24V2<br />
PGND / PGND<br />
+24V3 / +24V3<br />
MHVDR / FAN<br />
THVDR / THERM<br />
RTHVDR / HEATN<br />
HVISEL / SLEEPN<br />
PSEL1 / EXITN<br />
PSEL2 / ZCROSS<br />
+5V / +5V<br />
SGND / +5V<br />
SGND / SGND<br />
FAN<br />
+24V1<br />
+5V<br />
TONER<br />
SGND<br />
RTHVDR<br />
HEATN<br />
HVISEL<br />
+5V1<br />
SLEEP<br />
PSEL1<br />
EXITN<br />
PSEL2<br />
ZCROSS<br />
HVCLK<br />
+5V<br />
+5V<br />
+5V<br />
SGND<br />
SGND<br />
SGND<br />
+24V3<br />
+24V3<br />
PGND<br />
PGND<br />
PAPERN<br />
SWIN<br />
RESIT<br />
TONEREPY<br />
+24V2<br />
MHVDR<br />
FAN2<br />
FAN1<br />
THVDR<br />
THERM<br />
+24V3 1 1<br />
FEDDRN<br />
2 2<br />
CN5<br />
CN4<br />
1<br />
2<br />
1/2<br />
3/4<br />
5/6<br />
7/8<br />
9/10<br />
11/12<br />
13/14<br />
15/16<br />
17/18<br />
19/20<br />
20/19<br />
SGND/+3.3V<br />
18/17<br />
+3.3V/+5V<br />
16/15<br />
OUTPEN/SGND<br />
14/13<br />
PLGCLK/EGSO<br />
12/11<br />
SCKN/EGSI<br />
9/10<br />
PDMASKN/SBSY<br />
8/7<br />
SDIR/EGRN<br />
6/5<br />
SGND/RSTN<br />
4/3<br />
OVSYNC/PGND<br />
2/1<br />
+24V3/FAN2POW<br />
+5V<br />
TNFULL<br />
SGND<br />
PLGCLK<br />
PLGRDYN<br />
PLGDRN<br />
PGND<br />
+24V3<br />
ISUMOTNB<br />
ISUMOTNA<br />
ISUMOTB<br />
CN3<br />
To operation panel<br />
1 1<br />
FEDDRN<br />
1 1<br />
2345678910 2345678910<br />
PFSEN 2345678910 2345678910<br />
PFPER<br />
PFCLK<br />
YC4<br />
PFMDRN<br />
PGND<br />
+5V<br />
MRDYN<br />
MOTORN<br />
+24V3<br />
YC10 YC11<br />
YC6<br />
YC5<br />
1<br />
2<br />
3<br />
4<br />
5<br />
BUZERDRN/KEY1N 18/17<br />
KEY0N/ SCAN7N 16/15<br />
SCAN6N/ SCAN5N 14/13<br />
SCAN4N/ SCAN3N 12/11<br />
SCAN2N/ SCAN1N 10/9<br />
SCAN0N/LED6N 8/7<br />
LED5N/LED4N 6/5<br />
LED3N/LED2N 4/3<br />
LED1N/LED0N 2/1<br />
GND/SW 20/19<br />
SWN/CCDCLKN 18/17<br />
GND/CCDCLK 16/15<br />
GND/RSN 14/13<br />
GND/CPN 12/11<br />
GND/SH 10/9<br />
GND/GND 8/7<br />
GND/ CCDG(O) 6/5<br />
GND/ CCDB(E) 4/3<br />
GND/CCDR 2/1<br />
YC301<br />
1/2<br />
3/4<br />
5/6<br />
7/8<br />
9/10<br />
11/12<br />
13/14<br />
15/16<br />
17/18<br />
1/2<br />
3/4<br />
5/5<br />
7/8<br />
9/10<br />
11/12<br />
13/14<br />
15/16<br />
17/18<br />
19/20<br />
YC1<br />
YC3<br />
1<br />
2345678<br />
1<br />
2345678<br />
SGND<br />
SAMPLEN<br />
VDATAN<br />
OUTPEN<br />
SGND<br />
+5V<br />
SGND<br />
PDN<br />
YC3 YC12 YC13<br />
YC9 YC7 YC8<br />
YC5<br />
YC304 YC302 YC303<br />
+24V3<br />
REGDRN<br />
+24V3<br />
MFPDRN<br />
+5V<br />
HANDSN<br />
SGND<br />
1<br />
2345678<br />
1<br />
2345678<br />
1<br />
2<br />
3<br />
4<br />
5<br />
6<br />
7<br />
8<br />
9<br />
10<br />
11<br />
12<br />
13<br />
14<br />
15<br />
YC2<br />
YC14<br />
1<br />
2<br />
3<br />
1<br />
2<br />
3<br />
TEMP<br />
+5V<br />
SGND<br />
HPSWN<br />
DPDETN<br />
DPTIMSWN<br />
DPORGSWN<br />
DFCOVSWIN<br />
OPSWIN<br />
CCDSLEPN<br />
1 1<br />
MOTA<br />
2 2<br />
MOTNA<br />
3 3<br />
MOTB<br />
MOTNB<br />
4 4<br />
DPMOT0<br />
5 5<br />
DPMOT1<br />
6 6<br />
SCANMOT0<br />
7 7<br />
SCANMO<br />
8 8 T1<br />
9 9 LAMP<br />
10 10 LAMPHI<br />
11 11 LAMPLOW<br />
12 12 PGND<br />
13 13 +24V3<br />
ERASPW<br />
ERASERN<br />
1<br />
2<br />
3<br />
YC5<br />
TEMP/+5V<br />
BUZERDRN/KEY1N<br />
KEY0N/SCAN7N<br />
SCAN6N/SCAN5N<br />
SCAN4N/ SCAN3N<br />
SCAN2N/ SCAN1N<br />
SCAN0N/ LED6N<br />
LED5N/LED4N<br />
LED3N/LED2N<br />
LED1N/LED0N<br />
YC2<br />
YC3<br />
1/2<br />
3/4<br />
5/6<br />
7/8<br />
9/10<br />
11/12<br />
13/14<br />
15/16<br />
17/18<br />
19/20<br />
2 2<br />
LAMP<br />
2<br />
1 1<br />
PGND<br />
1<br />
2<br />
1<br />
Scanner<br />
Home<br />
position<br />
sensor<br />
Power switch<br />
AC inlet<br />
Inverter<br />
board<br />
To<br />
optional<br />
paper<br />
feeder<br />
Feed<br />
clutch<br />
Scanner<br />
motor<br />
Main<br />
motor<br />
Power supply board<br />
(KP-5059)<br />
Zenner board<br />
(KP-788)<br />
YC8<br />
Scanner board<br />
(KP-5063)<br />
YC4<br />
YC6<br />
+24V3<br />
SGND<br />
DPCOVSWN<br />
DPORGSWN<br />
DPMOT0<br />
MOTA<br />
MOTB<br />
+5V<br />
PGND<br />
OPSWN<br />
DPTIMSWN<br />
DPDETN<br />
MOTNA<br />
MOTNB<br />
DPMOT1<br />
To optional document feeder<br />
Registration<br />
clutch<br />
MP feed<br />
clutch<br />
MP paper<br />
sensor<br />
Engine board<br />
(KP-5061)<br />
Optional DIMM slot<br />
Main board<br />
(KP-5060)<br />
Bias board<br />
(KP-5067)<br />
6<br />
Waste toner<br />
sensor [PWB]<br />
(KP-786)<br />
Laser scanner<br />
unit<br />
Eraser lamp<br />
[PWB]<br />
(KP-791)<br />
2DC-1<br />
1<br />
2<br />
3<br />
4<br />
5<br />
6<br />
7<br />
8<br />
2-4-1 2-4-4