Hello, my printer is [model], connected through [USB / network / other method]. The devices and systems are [list]; [working devices] can print, while [affected devices] show [symptoms]. Please state which parts you can check and which are excluded, itemising visit, device assessment and additional device-setup charges. On completion, I would like [printing and other required functions] tested from [device list]. If another provider must continue the work, please document what has been checked and the remaining issues. Repairs are not yet authorised.