Most generic manuals tell you to “insert the blade and start cutting.” The exclusive Bosch KL 1206 manual emphasizes three pre-operation checks that 90% of users skip:
The machine typically features a dual spout, allowing for the preparation of one or two cups of espresso simultaneously. bosch kl 1206 manual exclusive
Bosch provides most legacy manuals as free PDFs. Go to www.bosch-pt.com → Service → Manuals & Parts Lists. Search "KL 1206." You’ll get the standard user manual. This is not the exclusive service manual, but it’s the starting point. Most generic manuals tell you to “insert the