JPS6279258U - - Google Patents
Info
- Publication number
- JPS6279258U JPS6279258U JP17024685U JP17024685U JPS6279258U JP S6279258 U JPS6279258 U JP S6279258U JP 17024685 U JP17024685 U JP 17024685U JP 17024685 U JP17024685 U JP 17024685U JP S6279258 U JPS6279258 U JP S6279258U
- Authority
- JP
- Japan
- Prior art keywords
- image forming
- determining means
- forming apparatus
- developing unit
- initial operation
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
Description
第１図は本実施例における電気回路のブロツク
図、第２図は本発明の一実施例の斜視図、第３図
は画像形成装置本体にユニツトを装着する状態を
示す斜視図、第４図はメモリＭ１，Ｍ２の構成図
、第５図はフローチヤートである。
１…画像形成装置本体、２…画像形成ユニツト
、３…感光ドラム、５…従動ギア、５ａ…マーク
、６…フオトセンサ、７…ＣＰＵ、８…ＲＯＭ、
９…ＲＡＭ、１０…Ｓ／Ｐ変換回路。
FIG. 1 is a block diagram of an electric circuit in this embodiment, FIG. 2 is a perspective view of an embodiment of the present invention, FIG. 3 is a perspective view showing a state in which the unit is installed in the main body of the image forming apparatus, and FIG. 4 is a block diagram of the memories M 1 and M 2 , and FIG. 5 is a flowchart. DESCRIPTION OF SYMBOLS 1... Image forming apparatus main body, 2... Image forming unit, 3... Photosensitive drum, 5... Driven gear, 5a... Mark, 6... Photo sensor, 7... CPU, 8... ROM,
9...RAM, 10...S/P conversion circuit.
Claims (1)
置本体に着脱可能に設け、装置の電源投入時少な
くとも前記現像器を駆動する初期動作を所定時間
行なう画像形成装置において、前記装置の主電源
遮断中前記ユニツトの交換動作が行なわれたこと
を判別する判別手段を有し、該判別手段の判別結
果に応じて前記初期動作実行の所定時間を異なら
せることを特徴とする画像形成装置。 In an image forming apparatus, an image forming unit including at least a developing unit is removably installed in an apparatus main body, and an initial operation of driving at least the developing unit is performed for a predetermined period of time when the apparatus is powered on. An image forming apparatus comprising a determining means for determining whether a replacement operation has been performed, and varying the predetermined time for performing the initial operation depending on the determination result of the determining means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985170246U JPH0412507Y2 (en) | 1985-11-02 | 1985-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985170246U JPH0412507Y2 (en) | 1985-11-02 | 1985-11-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6279258U true JPS6279258U (en) | 1987-05-21 |
| JPH0412507Y2 JPH0412507Y2 (en) | 1992-03-26 |
Family
ID=31104797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985170246U Expired JPH0412507Y2 (en) | 1985-11-02 | 1985-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0412507Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58179879A (en) * | 1982-04-14 | 1983-10-21 | Canon Inc | Recording device |
| JPS58195854A (en) * | 1982-05-11 | 1983-11-15 | Canon Inc | Counter of image forming device |
-
1985
- 1985-11-02 JP JP1985170246U patent/JPH0412507Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58179879A (en) * | 1982-04-14 | 1983-10-21 | Canon Inc | Recording device |
| JPS58195854A (en) * | 1982-05-11 | 1983-11-15 | Canon Inc | Counter of image forming device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0412507Y2 (en) | 1992-03-26 |