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WIC Reset Program and Chipless Firmware
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Artisan 837 firmware downgrade

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Hi. I just bought a reset key to downgrade my firmware. I'm using the mac version of iwic and am connected via USB. I powered down the printer, restarted it holding power and the far right section of the touchscreen until the LCD read EPSON PRINTER ROM IPL UPDATE MODE. i refreshed the iwic device list, selected the Artisan 837 firmware and hit update.

 

The update downloaded to iwic, BUT the LCD says NOW READING DATA FILE PROGRESS 0 PERCENT, and it has said that for a little while now.

 

In red text at the bottom of the iwic interface, a note appears saying:

 

COULD NOT GRANT CREDITS FOR UPDATE COMMAND ANSWER

 

The printer will also not power off now.

It is stuck in the IPL update mode waiting for a data file to read.

 

do you know what i should do to get this to work?

 

thanks

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Here's the error log if it helps (I've redacted my key):

 

ActionEpsonDeviceFMWEUpdate :: Key xxxxxxxxxxxxxxxx will be used for firmware update

DoWaitFree :: Socket has been closed.

DoWaitOpen :: Socket has been opened. xxx.xx.xxx.xx 23457

DoWaitSend :: [64:87] 40 00 B3 00 FC 00 00 10 00 33 46 32 46 35 31 42 36 42 39 34 41 44 31 45 32 0C 00 54 58 38 33 30 2E 57 42 32 37 42 42 02 00 65 6E 00 00 0D 00 4D 41 43 4F 53 20 33 2E 37 35 2E 35 30 20 69 6A F6

DoWaitRead :: [80:1048575] 50 00 B4 00 58 08 00 00 00 00 00 08 30 7F 00 2D 00 77 77 77 2E 70 72 69 6E 74 68 65 6C 70 2E 69 6E 66 6F 2F 64 61 74 61 2F 66 69 72 6D 77 61 72 65 2F 54 58 38 33 30 2E 57 42 32 37 42 42 0C 00 4A 4E 47 42 59 57 4D 51 41 46 51 51 93 55 12 58

QueryGetFirmwareValues :: completed www.printhelp.info/data/firmware/TX830.WB27BB 0 8335368 JNGBYWMQAFQQ

DoSend :: [27:27] 00 00 00 1B 01 40 45 4A 4C 20 31 32 38 34 2E 34 0A 40 45 4A 4C 0A 40 45 4A 4C 0A

DoRead :: [8:8192] 00 00 00 08 01 00 C5 00

DoDD4Enter :: completed

DoSend :: [8:8] 00 00 00 08 01 01 00 10

DoRead :: [9:8192] 00 00 00 09 01 00 80 00 10

DoDD4Init :: completed

DoSend :: [17:17] 00 00 00 11 01 01 09 45 50 53 4F 4E 2D 43 54 52 4C

DoRead :: [19:8192] 00 00 00 13 01 00 89 00 02 45 50 53 4F 4E 2D 43 54 52 4C

DoDD4Psid :: completed :: EPSON-CTRL 2

DoSend :: [17:17] 00 00 00 11 01 01 01 02 02 07 FA 07 FA 00 00 00 00

DoRead :: [16:8192] 00 00 00 10 01 00 81 00 02 02 00 40 02 00 00 00

DoDD4Open :: completed :: 2 2 64 512

DoSend :: [17:17] 00 00 00 11 01 01 09 45 50 53 4F 4E 2D 44 41 54 41

DoRead :: [19:8192] 00 00 00 13 01 00 89 00 40 45 50 53 4F 4E 2D 44 41 54 41

DoDD4Psid :: completed :: EPSON-DATA 64

DoSend :: [17:17] 00 00 00 11 01 01 01 40 40 07 FA 07 FA 00 00 00 00

DoRead :: [16:8192] 00 00 00 10 01 00 81 00 40 40 07 FA 07 FA 00 00

DoDD4Open :: completed :: 64 64 2042 2042

DoSend :: [13:13] 00 00 00 0D 01 01 04 02 02 00 01 FF FF

DoRead :: [12:8192] 00 00 00 0C 01 00 84 00 02 02 00 01

DoDD4Request :: completed :: 2 2 1

DoSend :: [11:11] 02 02 00 0B 00 01 66 6C 01 00 01

DoSend :: [11:11] 00 00 00 0B 01 01 03 02 02 00 01

DoRead :: [29:8192] 00 00 00 0A 01 00 83 00 02 02 02 02 00 13 00 01 66 6C 3A 30 31 3A 42 55 53 59 3B 0C 00

DoDD4Service :: IEEE 1284 protocol :: response received from printer not matched to an outstanding command.

DoRead :: [0:8192]

DoDD4Credits :: IEEE 1284 protocol :: could not grant credit to the printer channel. 2 2 1

Could not grant credits for update command answer.

DoSend :: [9:9] 00 00 00 09 01 01 02 02 02

DoRead :: [10:8192] 00 00 00 0A 01 00 82 00 02 02

DoDD4Close :: completed :: 2 2

DoSend :: [9:9] 00 00 00 09 01 01 02 40 40

DoRead :: [10:8192] 00 00 00 0A 01 00 82 00 40 40

DoDD4Close :: completed :: 64 64

DoSend :: [7:7] 00 00 00 07 01 01 08

DoRead :: [8:8192] 00 00 00 08 01 00 88 00

DoDD4Exit :: completed

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