Printing keychain passwords from iPad

iOS/iPadOS offers no facility to export or directly print saved Passwords/credentials that are saved in your keychain.

Unless you have access to a Mac computer and are signed-in with your own AppleID - you'll not be able to print your saved Passwords.

As is, your only option is to painstakingly copy and paste credentials to a document that you can subsequently print. Note that this manual process is (a) prone to error, and (b) introduces a security risk in that the electronic document containing this sensitive information is potentially vulnerable to compromise.

There are other Password Managers from which to choose - some better than others. While there are some good alternatives from which to choose - and can work alongside Keychain - none of the third-party alternatives offer the full integration that you enjoy with Apple's keychain.

Perhaps consider Bitwarden Password Manager:

https://apps.apple.com/app/bitwarden-password-manager/id1137397744

Bitwarden is well respected. This Password Manager offers most of its functionality without cost for individual use. Paid tiers provide access to more advanced functionality at sensible cost.