JPH0453215U - - Google Patents
Info
- Publication number
- JPH0453215U JPH0453215U JP9582290U JP9582290U JPH0453215U JP H0453215 U JPH0453215 U JP H0453215U JP 9582290 U JP9582290 U JP 9582290U JP 9582290 U JP9582290 U JP 9582290U JP H0453215 U JPH0453215 U JP H0453215U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- laser beam
- scanning scanner
- controlled
- beam printer
- 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
- 230000001678 irradiating effect Effects 0.000 claims 1
- 108091008695 photoreceptors Proteins 0.000 claims 1
- 230000010355 oscillation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
Landscapes
- Mechanical Optical Scanning Systems (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Facsimile Scanning Arrangements (AREA)
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
Description
第１図は本考案によるレーザビームプリンタの
主要制御部を示すブロツク図、第２図はスキヤナ
モータの回転数とプリント待機からプリント稼働
までの関係を示すグラフ、第３図は第１図に示し
たスキヤナモータの回転数制御部のブロツク図、
第４図は本考案によるの第２の回転数を可変設定
できる発振回路図である。
符号の説明、１０１……作像プロセス制御部、
１０２……スキヤナ制御部、１０３……スキヤナ
モータ、１０５……ポリゴンミラー、３０１……
第１の発振回路、３０２……第２の発振回路、３
０３……発振数選択回路、３０４……位相比較器
、３０５……アンプ、３０６……モータ駆動回路
。
Fig. 1 is a block diagram showing the main control section of the laser beam printer according to the present invention, Fig. 2 is a graph showing the relationship between the scanner motor rotation speed and the period from print standby to print operation, and Fig. 3 is the same as shown in Fig. 1. Block diagram of scanner motor rotation speed control section,
FIG. 4 is an oscillation circuit diagram in which the second rotational speed can be variably set according to the present invention. Explanation of symbols: 101...imaging process control unit;
102... Scanner control unit, 103... Scanner motor, 105... Polygon mirror, 301...
First oscillation circuit, 302...Second oscillation circuit, 3
03...Oscillation number selection circuit, 304...Phase comparator, 305...Amplifier, 306...Motor drive circuit.
Claims (1)
ムを走査スキヤナによりスキヤニングし、該スキ
ヤニングされたレーザビームを感光体表面に照射
して画像を形成するレーザビームプリンタにおい
て、 前記走査スキヤナを、選択的に第１の回転数と
、該第１の回転数より低速の回転数に設定した第
２の回転数とに制御する回転制御手段を設け、 前記回転制御手段が、作像プロセスの作動時に
前記走査スキヤナを第１の回転数で定速回転制御
し、作像プロセスの停止時に前記第２の回転数で
定速回転制御することを特徴とするレーザビーム
プリンタ。 (2) 前記請求項１において、 前記走査スキヤナの第２の回転数を可変制御す
ることができることを特徴とするレーザビームプ
リンタ。[Claims for Utility Model Registration] (1) A laser beam printer that scans a laser beam output from a laser output means using a scanning scanner, and forms an image by irradiating the scanned laser beam onto the surface of a photoreceptor, Rotation control means for selectively controlling the scanning scanner to a first rotation speed and a second rotation speed set to a lower rotation speed than the first rotation speed is provided, the rotation control means comprising: A laser beam printer characterized in that the scanning scanner is controlled to rotate at a constant speed at a first rotation speed when an image forming process is activated, and controlled to rotate at a constant speed at the second rotation speed when the image forming process is stopped. (2) The laser beam printer according to claim 1, wherein the second rotation speed of the scanning scanner can be variably controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9582290U JPH0453215U (en) | 1990-09-12 | 1990-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9582290U JPH0453215U (en) | 1990-09-12 | 1990-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0453215U true JPH0453215U (en) | 1992-05-07 |
Family
ID=31834871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9582290U Pending JPH0453215U (en) | 1990-09-12 | 1990-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015212079A (en) * | 2014-04-15 | 2015-11-26 | キヤノン株式会社 | Image forming apparatus |
-
1990
- 1990-09-12 JP JP9582290U patent/JPH0453215U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015212079A (en) * | 2014-04-15 | 2015-11-26 | キヤノン株式会社 | Image forming apparatus |
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