Utax CLP 3521

2HL/2HM/2HN-1
2-4-2
+3.3V1
LONBCN
ENBCN
VDOCN
VDOCP
GND
VREFC
PDCN
Expand memory socket (DIMM)
Network
interface
(LAN)
USB
interface
USB
memory
slot (HOST)
OP24V+24V3
OP5V+5V1
+5V1
FPRSTN
+3.3V1
FPDATA
FPDIR
FPCLK
GND
Optional
interface
(KUIO)
Humidity
sensor
Temperature
sensor
+3.3V1
PDN(K)
GND
+3.3V1
PDN(Y)
THERM1
GND
+3.3V1
LONBYN
ENBYN
VDOYN
VDOYP
GND
VREFY
THERMK
PDYN
POLCLK1
POLRDYN1
POLONN1
GND
+24V3
Polygon motor YK
Polygon motor MC
1
2
3
4
5
1
2
3
4
5
1
2
3
4
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
+3.3V1
LONBKN
ENBKN
VDOKN
VDOKP
GND
VREFK
PDKN
1
2
3
2
3
4
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
POLCLK0
POLRDYN0
POLONN0
GND
+24V3
1
2
3
4
5
1
2
3
4
5
+3.3V1
LONBMN
ENBMN
VDOMN
VDOMP
GND
VREFM
THERMC
PDMN
+3.3V1
PDN(M)
THERM2
GND
GND
1
2
3
4
+3.3V1
PDN(C)
1
2
3
4
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
EEPROM
+3.3V1
DBTXD
DBRXD
DBLKC
GND
+3.3V1
VPP
WRSO
WRSI
WRSCK
RESETN
GND
1
2
3
4
5
6
7
8
9
ID solenoid
Polygon motor thermistor
Developing fan motor 2
Fuser fan motor 2
+24V3
IDSOLDRN
OP24V
OPSEL2
OPSEL1
OPSEL0
GND
OP5V
OPSDO
OPSDI
OPRDYN
OPSCLK
GND
+5V1
LEDREFR
GND
VOPR
VOSR
ERASEMDR TNSENM ERASECDR TNSENC ERASEYDR TNSENY EECLK GND EEDATA +3.3V1 ERASEKDR +3.3V2 TNSENK DLPTHERM
Zener PWB K
Engine PWB
B1 / A1 B2 / A2 B3 / A3 B4 / A4 B5 / A5 B6 / A6 B7 / A7 B8 / A8 B9 / A9 B10/A10 B11/A11 B12/A12 B13/A13 B14/A14 B15/A15 B16/A16 B17/A17 B18/A18 B19/A19 B20/A20
Main PWB
Drum relay PWB
Drum PWB K
Drum PWB K
Toner sensor K Toner sensor Y
Developing PWB K
Developing PWB Y
11 10
9 8 7 6 5 4 3 2 1
11 10
9 8 7 6 5 4 3 2 1
12 11 10
9 8 7 6 5 4 3 2 1
1
2
3
4
5
1 2 3 4 5 6 7 8 9
10 11 12 13 14
1 2 3 4 5 6 7 8 9
10 11 12 13 14
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2
1 2
1 2
GND
ERASEDR1
Drum unit K
Drum unit Y Drum unit C Drum unit M
GND TNSEN1 +3.3V2 TH_DLP
1 2 3 4
1 2 3 4
Developing unit K Developing unit K Developing unit C Developing unit M
A20/B20 A19/B19 A18/B18 A17/B17 A16/B16 A15/B15 A14/B14 A13/B13 A12/B12 A11/B11 A10/B10 A9 / B9 A8 / B8 A7 / B7 A6 / B6 A5 / B5 A4 / B4 A3 / B3 A2 / B2 A1 / B1
+3.3V2
TNSEN1
GND
TH_DLP
1
2
3
4
5
1
2
3
4
5
Eraser lamp K
4
3
2
1
4
3
2
1
1
2
3
4
1
2
3
4
+3.3V2
RFCLK
RFDATA
GND
Grid
GND/GND
GND/RESETN
EECLK /+5V1
EEDAT /+5V1
VSYNC /+5V1
SBSY / EGIRN
SCKN/SDIR
SI/SO
+3.3V1/+3.3V1
FPRSTN/+3.3V1
FPCLK/FPDIR
N.C/FPDATA
GND/GND
PDKN/PDYN
PDCN/PDMN
GND/GND
VDOKN/VDOYN
VDOKP/VDOYP
VDOCN/VDOMN
VDOCP/VDOMP
(With developing thermistor)
(Without developing thermistor)
1
2
3
4
5
Operation panel PWB
7
6
5
4
3
2
1
7
6
5
4
3
2
1
+5V1
LEDREFL
GND
VOPL
VOSL
1 8
8 1
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
Paper feeder
(Option)
YC5 YC6
YC31
YC33
YC32
YC34
YC2
YC15
GND
TNSENK
+3.3V2
TH_DLP
EEDAT ERASEDR EECLK GND +3.3V1 N.C DA1 DA0
EEDAT
ERASEDR
EECLK
GND
+3.3V1
N.C
DA1 DA0
EEPROM
1 2
1 2
GND/GND RESETN/GND +5V1/EECLK +5V1/EECLK +5V1/VSYNC EGIRN/SBSY SDIR/SCKN SO/SI +3.3V1/+3.3V1 +3.3V1/FPRSTN FPDIR/FPCLK FPDATA/N.C GND/GND PDYN/PDKN PDMN/PDCN GND/GND VDOYN/VDOKN VDOYP/VDOKP VDOMN/VDOCN VDOMP/VDOCP
1
2
3
4
5
6
7
YC1
1 2 3 4
YC35
1
2
3
4
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
YC29
1
2
3
4
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
21/23 ppm (250-sheet) model only
YC30
YC1 YC4 YC3 YC5
YC2
YC6
GND TNSEN1 +3.3V2
1 2 3 4
1 2 3 4
+3.3V2
TNSEN1
GND
GND
TNSENY
+3.3V2
GND
TNSENC
+3.3V2
GND
TNSENM
+3.3V2
YC4
YC13
YC10
YC7
GND
ERASEKDR
YC2
YC3
1 2 3
3 2 1
GND ERASEDR1
1 8
8 1
1 2 3
3 2 1
1 2 3
3 2 1
1 8
8 1
1 2 3
3 2 1
1
2
3
4
5
Memory card socket
YC1
YC5 YC6 YC8 YC9
YC11 YC12
YC1 YC1
YC1
YC1
YC1
YC2
YC2
YC2
YC2
YC2
APC PWB Y APC PWB K
APC PWB M APC PWB C
PD PWB Y
PD PWB K
PD PWB M PD PWB C
Right ID sensorLeft ID sensor
YC43
YC41
1 2
1 2
+24V1 INSFANDRN
YC44
1 2
1 2
+24V1 SUBFANDRN
2 1
1 2
1
2
1
2
21/23 ppm (500-sheet) model/ 26/28 ppm (500-sheet) model
21/23 ppm (250-sheet) model