| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique which can easily cope with faults of structural elements related to print heads in a printing device which can carry a mass of print heads. SOLUTION: Two or more print heads 60, and driving control sections 330 set correspondingly to one or more set number of print heads 60, respectively can be carried on a carriage 1. Two or more state transaction sections 320 for transmitting datagrams to driving control sections, respectively can be installed in an identity 300 of the printing device. A connection set comprising print heads 60 of a set number, one driving control section 330 and one state transaction section 320 is configured to be optionally replaceable and removable one by one. COPYRIGHT: (C)2004,JPO |
