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| Part 5: Maintenance | |||
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| Pin No. | Signal | IN/OUT | Function | |
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| 15 | VH | OUT | Head drive voltage (20.0 ± 0.3VDC) |
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16 | BE1 | OUT | Print data block output signal generation 2 | ||
17 | IDATACL | OUT | Color head print data | ||
18 | BE2 | OUT | Print data block output signal generation 3 | ||
19 | DCLK | OUT | Print data transmission clock | ||
GND | ... | GND | |||
23 | LTCLK | OUT | Print data latch timing specifier | ||
24 | ELYCL | OUT | Color head yellow | ||
25 | RANKCL | IN | Color head rank resistance detection | ||
26 | LTRST | OUT | Latch reset | ||
27 | TSKCL | IN | Color head temperature sensor (diode) output voltage | ||
28 | VH | OUT | Head drive voltage (20.0 ± 0.3VDC) | ||
29 | Not used | ... | ... |
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| LIGHTCOL (Cartridge Cable) | ||||
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| Pin No. | Signal | IN/OUT | Function | |
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| 1 | VH | OUT | Head drive voltage (20.0 ± 0.3VDC) |
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2 | TSAPH | OUT | Photo head temperature sensor (diode) drive voltage |
3ID2PH/ELYPH IN/OUT Photo head index 2 detection/yellow
4 | SUBHPH OUT Photo head |
5ID1PH/ELMPH IN/OUT Photo head index 1 detection/magenta
6 | VDDH | OUT | Head logic drive voltage |
7, 8 | GND | ... | GND |
9 | HEATEPH | OUT | Photo head heat enable |
10 | INVPH | OUT | Photo head print data block output signal output sequence |
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| inversion (permanently enabled) |
11 | EVENE | OUT | Black head and color head even nozzle, and ink optimizer |
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| and photo head odd nozzle heat enable |
12 | ODDE | OUT | Black head and color head odd nozzle and ink optimizer |
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| and photo head even nozzle heat enable |
13 | BE0 | OUT | Print data block output signal generation 1 |
14 | VH | OUT | Head drive voltage (20.0 ± 0.3VDC) |
15 | BE1 | OUT | Print data block output signal generation 2 |
16 | IDATAPH | OUT | Photo head print data |
17 | BE2 | OUT | Print data block output signal generation 3 |
18 | DCLK | OUT | Print data transmission clock |
GND | ... | GND | |
22 | LTCLK | OUT | Print data latch timing specifier |
23 | ELCPH | OUT | Photo head cyan |
24 | RANKPH | IN | Photo head rank resistance detection |
25 | LTRST | OUT | Latch reset |
26 | TSKPH | IN | Photo head temperature sensor (diode) output voltage |
27 | VH | OUT | Head drive voltage (20.0 ± 0.3VDC) |
28 | Not used | ... ... |