JPH02140555U - - Google Patents
Info
- Publication number
- JPH02140555U JPH02140555U JP5031089U JP5031089U JPH02140555U JP H02140555 U JPH02140555 U JP H02140555U JP 5031089 U JP5031089 U JP 5031089U JP 5031089 U JP5031089 U JP 5031089U JP H02140555 U JPH02140555 U JP H02140555U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- toner image
- fixing
- fixing roller
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003086 colorant Substances 0.000 claims 1
Landscapes
- Fixing For Electrophotography (AREA)
- Color Electrophotography (AREA)
Description
第１図はこの考案の一実施例を示す正面図であ
る。
１…定着ローラ、２…加圧ローラ、３…ヒータ
、５…サーマルヘツド、６…圧接ローラ、７…発
熱体部、８…搬送ベルト、１０…従動ころ。
FIG. 1 is a front view showing an embodiment of this invention. DESCRIPTION OF SYMBOLS 1... Fixing roller, 2... Pressure roller, 3... Heater, 5... Thermal head, 6... Pressure roller, 7... Heat generating part, 8... Conveyance belt, 10... Driven roller.
Claims (1)
挟んで定着ローラと加圧ローラが、該定着ローラ
がトナー像転写面側となるように互いに圧接して
配置された、熱変色トナーを用いる乾式複写機の
定着装置において、 前記定着ローラと加圧ローラとによるローラ対
の通紙方向下流側に、定着ローラによって第１色
に定着されたトナー像をさらに第２色に変色させ
るサーマルヘツドが、薄膜の耐熱フイルムからな
る転写紙搬送ベルトの内側に接触して配置されて
いるとともに、この搬送ベルトを介してサーマル
ヘツドと圧接する圧接ローラが配置されているこ
とを特長とする定着装置。[Claims for Utility Model Registration] A fixing roller and a pressure roller are placed in pressure contact with each other with a paper passing path for transfer paper carrying an unfixed toner image in between, with the fixing roller facing the toner image transfer surface. In the fixing device of a dry copying machine using thermochromic toner, the toner image fixed in the first color by the fixing roller is further fixed on the downstream side of the roller pair formed by the fixing roller and the pressure roller in the paper passing direction. A thermal head that changes color into two colors is placed in contact with the inside of a transfer paper conveyance belt made of a thin heat-resistant film, and a pressure roller is placed that presses against the thermal head via this conveyance belt. A fixing device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5031089U JPH02140555U (en) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5031089U JPH02140555U (en) | 1989-04-28 | 1989-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140555U true JPH02140555U (en) | 1990-11-26 |
Family
ID=31568746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5031089U Pending JPH02140555U (en) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140555U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011170285A (en) * | 2010-02-22 | 2011-09-01 | Ricoh Co Ltd | Fixing device and image forming apparatus |
-
1989
- 1989-04-28 JP JP5031089U patent/JPH02140555U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011170285A (en) * | 2010-02-22 | 2011-09-01 | Ricoh Co Ltd | Fixing device and image forming apparatus |
| US8886070B2 (en) | 2010-02-22 | 2014-11-11 | Ricoh Company, Ltd. | Fixing device for locally heating a fixing member and image forming apparatus incorporating the fixing device |