| 摘要 |
PROBLEM TO BE SOLVED: To clean auxiliary heat rollers at a low cost by using cleaning webs which have been disposed of after the use of only one sides of them. SOLUTION: Relating to a pair of heat roller 3 and the auxiliary heat roller 5 and pair of press roller 4 and the auxiliary heat roller 6, the surfaces of the rollers 3 and 4 are cleaned with one sides A of the cleaning webs 21, thereafter the surfaces of the auxiliary heat rollers 5 and 6 are cleaned with the other sides B of the corresponding cleaning webs 21. |
