As network security standards evolve, older printers struggle to communicate. Firmware 18 introduced updates to TCP/IP stacks and SMB protocols (used for scanning to folders). While the iR1023if predates SMBv3 requirements, Firmware 18 optimized the available protocols of its time (SMBv1), making the "Scan to File" feature more reliable on older network infrastructures.
Earlier firmware versions often suffered from "sleep mode" issues where the printer would not wake up upon receiving a network print job. Firmware 18 addressed power management logic, ensuring the network card remains responsive or wakes correctly when data is sent, reducing the need for constant reboots. Canon Imagerunner 1023if Firmware 18
Unlike modern Canon printers where firmware is easily downloadable from usa.canon.com , the imageRUNNER 1023if is a legacy product. Canon has removed the direct firmware update files for this model from their public consumer-facing support site. Earlier firmware versions often suffered from "sleep mode"