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Type: Posts; User: Bhante

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    Re: DC432/DC440 - Firmware upgrades?

    On the brand new machine the rollers were sticky??!!!

    Of course, the rubber deteriorates with age even if it is not used, and it must have been sitting in the warehouse for years. Do you have a...
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    Re: DC432/DC440 - Firmware upgrades?

    If the laser and high voltage card are missing/broken that should be OK as they are not relevant to the software, but all the control circuitry must be working OK, and the software must be completely...
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    Re: DC432/DC440 - Firmware upgrades?

    What is wrong with the broken ST? Is it just mechanical, or also electrical? If it is just mechanical, you might just have one chance, and that is to dismantle the whole machine and transfer...
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    Re: DC432/DC440 - Firmware upgrades?

    You are hopeful, Enzo! The mechanics of the two machines are almost identical, but the electronics are totaly different at every level. They would be totally incompatible.

    As far as converting a...
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    Re: DC432/DC440 - Firmware upgrades?

    Have you sorted out the cables now?
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    Re: DC432/DC440 - Firmware upgrades?

    Serial cable not null modem? That means the 9-pin D connector under the control panel is wired like a standard (apart from voltage level) serial port? Or are the connections on the Xerox TTL adaptor...
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    Re: DC432/DC440 - Firmware upgrades?

    OK Enzo, if you have a multimeter or a circuit tester you can check if your serial cable is correct or not. With the multimeter test the resistance between pin 2 at one end and pin 2 or pin 3 at the...
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    Re: DC432/DC440 - Firmware upgrades?

    Hello Enzo,

    A single "serial cable" plus gender changer will not do, because some of the wires are switched: for example pin 2 at one end of the serial cable always goes to pin 3 at the other end,...
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    Re: DC432/DC440 Service manual needed

    Unfortunately it doesn't exist, it seems. Either you have the PWS, or you have to do without. The mechanics are very close to the DC240 series, for which a manual in Omnibrowser format is available,...
  10. Reprogramming toner chips for the DC440 series and DC230 series

    I recently tried an experiment I wanted to do for a long time: I removed the Xerox IC from a DC440 toner cartridge chip (the white chip) and replaced it with a standard 24C02 serial EEPROM,...
  11. Yes. According to the ST datasheet pin 7 also...

    Yes. According to the ST datasheet pin 7 also doubles as Mode, and I was quietly asking myself whether I might get better data transfer by tying it high, but I think you are right that it is better...
  12. I've just taken a look at the schematic for the...

    I've just taken a look at the schematic for the 2402 and it occured to me for a moment that it might give faster access putting pin 7 on Vcc instead of GND for use with PonyProg, but looking closer I...
  13. On the socket in the programmer for the 2402,...

    On the socket in the programmer for the 2402, connect as follows:
    GND: pins 1, 2, 3, 4, 7
    SDA: pin 5
    SCA: pin 6
    Vcc: pin 8

    For the black generic chips, PonyProg can be used without...
  14. Hello Scarecrow, interesting what you say. I do...

    Hello Scarecrow, interesting what you say. I do not interchange cartridges, I just mentioned the difference in case someone was thinking of doing so (the Rechargerstore website also makes a general...
  15. If you get a third party replacement chip you can...

    If you get a third party replacement chip you can probably reset it easily with a serial programmer and the PonyProg2000 software. I have no idea about the WC-4118 specifically, but I have plenty of...
  16. Should old firmware chips be refreshed to prevent unreliability (Xerox 440 series)?

    I have a Xerox DC432ST with no scan function, and later bought a DC440ST with scan, because I wanted the fast A3 greyscale scan (actually it is not true greyscale because it saves as bitmap, but that...
  17. If I understand correctly, you took the ESS box...

    If I understand correctly, you took the ESS box from machine 1 and put it in machine 2 in order to change the IP address of machine 2. Is that correct? This suggests that machine 2 has no network...
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    The scan function requires at least 3 components:...

    The scan function requires at least 3 components: (1) Hardware including PCB(s), SCSI (I think) cable, and hard disk; (2) I think various software components of the system such as ESS require minimum...
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    As I said, the non-compatibility is in the...

    As I said, the non-compatibility is in the photoreceptor, which requires a different voltage to be applied in the machine. Changing settings in the machine will not change that. The 230 and 440 use...
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    As I said, they are different cartridges. If you...

    As I said, they are different cartridges. If you use the 230 in the 440 the copies will be too light.
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    The DC440 cartridge is different: different...

    The DC440 cartridge is different: different photoreceptor, one cog is different size, and different data in the chip - regardless of country of origin. If you put the DC440 cartridge in a 230 with a...
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    You misunderstood me. I meant that you should...

    You misunderstood me. I meant that you should look in the sections of NVM in those groups, i.e. 2/nn, 29/nn, 30/nn and 50/nn. There may be another setting for country code somewhere. I think we are...
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    I'd have thought it should be 29/10, but that is...

    I'd have thought it should be 29/10, but that is just from looking at the service manual. You could try also 2/9. The default for 29/10 is 1, the range is 0-255. The default for 2/9 is 0, the range...
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    Yes, the serial number shouldn't be a problem, as...

    Yes, the serial number shouldn't be a problem, as long as I can get the diskette. It should also be possible to change the serial number on the diskette, unless it is encrypted, which I rather doubt....
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    Scan enable diskette for DC432ST

    I need a scan enable diskette for the DC432ST/DC440ST. Can anyone help me? It is difficult to copy because it is a special format, but there is some software from Network Associates that I think...
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