On Re-Box Or Refurbishment; Special Notes On The Items Using Printer Serial Number (G3000 Series Only) - Canon G1000 Series Service Manual

< Precautions for System Cleaning >
Confirm that the amount of the remaining ink is greater than the single dot of the main tank before
executing System Cleaning. Executing System Cleaning with the insufficient remaining ink may cause
the failure.
The counter of remaining ink detection is cleared by System Cleaning, therefore, make sure to replenish
ink tank with ink to the liquid level when the ink is fully filled before using continuously remaining ink
detection.
< About non-ejection of ink >
After a certain period of time from the first use of the printer, the accumulation of the air in the cartridge
may cause non-ejection of ink.
NOTE: Depending on the usage environment, the time to non-ejection of ink varies.
[Cause]
The air penetrates into the ink cartridge slowly from the outside for material reasons, therefore, the
cartridge has an air layer and the ink is not getting to the nozzles, resulting in non-ejection of ink.
[Solution]
Perform System Cleaning.

(8) On Re-box or Refurbishment

Ink is supplied from the main tank to the cartridge (print head) using the tube. After the initial setup, a large
amount of the ink is supplied to the tube. After that, ink always stays inside the tube. Once ink is supplied to
the tube, ink cannot be removed as per specifications (the same applied to the ink inside the tank), therefore,
the product with the initial setup completed cannot be refurbished.

(9) Special Notes on the Items Using Printer Serial Number (G3000 series only)

The G3000 series come with the following three items using the printer serial number:
1) "Initial logon password" for Remote UI
2) "Initial logon password" for AP mode
3) The serial number displayed in "Printers on Network List" at the initial Wi-Fi setup and initial logon
password
The default password for the above three items is the printer serial number at shipment. However, after
the main PCB ass'y is replaced, in repair servicing, the serial number written in the printer is changed.
< In Remote UI / AP mode >
Before change: The printer serial number at shipment (e.g. ABCD12345)
After change: 123456789 (no serial number is written in the main PCB ass'y for servicing).
< At the initial Wi-Fi setup >
(1) The items displayed in "Printers on Network List":
Before change: Last five digits of the printer serial number (e.g. 12345)
After change: "-"
(2) Initial logon password
Before change: The printer serial number at shipment
After change: 123456789 (no serial number is written in the main PCB ass'y for servicing)
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