Service manual

3-3
JCR1 (Print Head 1/3 [Carriage Unit])
No. Signal name Function Input/Output
1 GND GND -
2 ENCA CR encoder phase A In
3 WIDTH CDR sensor signal
In
4 ENCB CR encoder phase B In
5 EEPSK Head EEPROM serial clock signal Out
6 EEPDI Head EEPROM data signal Bus
7 SNPOW Encoder power supply 3.3 V Out
8 VDD Head logic drive power supply 3.3V Out
9 EEPCS Head EEPROM chip select signal Out
10 CLK Head data transmission clock signal Out
11 AD_TH Thermistor signal In
12 DIA0 Diode sensor anode 0 In
13 LT Transmission clock clutch signal Out
14 DIA1 Diode sensor anode 1 In
15 HE89 Heat enable M1, C1 Out
16 HE7 Heat enable Y Out
17 HE56 Heat enable C2, M2 Out
18 DATA15 Data Y odd Out
19 DATA19 Data C1 odd Out
20 DATA18 Data C1 even Out
21 DATA17 Data M1 odd Out
22 DATA16 Data M1 even Out
23 DATA14 Data Y even Out
24 DATA12 Data M2 even Out
25 DATA10 Data C2 even Out
26 DATA13 Data M2 odd Out
27 DATA11 Data C2 odd Out
28 DATA4 Data BK even Out
29 DATA0 Data PM even Out
30 DATA9 Data PC odd Out
31 DATA8 Data PC even Out
32 DATA1 Data PM odd Out
33 DATA2 Data R even Out
34 HE2 Heat enable G, PC Out
35 DATA5 Data BK odd Out
36 HE34 Heat enable BK Out
37 HE01 Heat enable PM, R Out
38 DATA7 Data G odd Out
39 DATA6 Data G even Out
40 DATA3 Data R odd Out
JCR2 (Print Head 2/3 [Carriage Unit])
No. Signal name Function Input/Output
1 to 8 GNDH1 GND -
9 CDRPOW CDR sensor power supply Out
10 JIA3 Diode sensor anode 3 In
11 GND GND -
12 VHT Head drive power supply 20V Out
13 to 20 VH1 Head drive power supply 20V Out