CUPS driver does not send anything to printer during test print

[Jim]

Downloaded and installed Turboprint driver for Canon iP90 but balked at the high ($55 USD) price. The 30 day free trial ended and I found that the iP90 printer would operate after installing the iP110 driver (with the iP90-Cups or the iP90-Gutenprint drivers, it would only output 25 or so blank pages with faint printing at the top of the page). Canon didn't make a Linux driver for the iP90 printer that I can find.

Today, tried to uninstall Turboprint but it seems to be all over my printer config setup. As part of that, I uninstalled the 'working' iP110 driver setup. Deleted it from the printer window. Now when I install the CUPS generic iP110 driver, and try to print a test page, it does nothing. Doesn't even wink the printers activity light and doesn't show the print job in the print queue.

So it seems that Turboprint insinuated itself into the system in a way that prevents it's total removal and is somehow blocking the CUPS drivers.

ProblemType: Bug
DistroRelease: Ubuntu 21.10
Package: cups 2.3.3op2-7ubuntu2
ProcVersionSignature: Ubuntu 5.13.0-28.31-generic 5.13.19
Uname: Linux 5.13.0-28-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu71
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: MATE
Date: Sun Feb 20 10:26:57 2022
Lpstat: device for Canon-iP90: usb://Canon/iP90?serial=31A4B2
MachineType: Gigabyte Technology Co., Ltd. A520M S2H
Papersize: letter
PpdFiles: Error: command ['fgrep', '-H', '*NickName', '/etc/cups/ppd/Canon-iP90.ppd'] failed with exit code 2: grep: /etc/cups/ppd/Canon-iP90.ppd: Permission denied
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-28-generic root=UUID=c201ceca-9f5a-4845-b650-e68fc9d5230f ro quiet splash vt.handoff=7
SourcePackage: cups
UpgradeStatus: Upgraded to impish on 2021-10-15 (128 days ago)
dmi.bios.date: 07/27/2020
dmi.bios.release: 5.17
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F2
dmi.board.asset.tag: Default string
dmi.board.name: A520M S2H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrF2:bd07/27/2020:br5.17:svnGigabyteTechnologyCo.,Ltd.:pnA520MS2H:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnA520MS2H:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:skuDefaultstring:
dmi.product.family: A520 MB
dmi.product.name: A520M S2H
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.