JPS58166083A - ハンマアラーム検出装置 - Google Patents

ハンマアラーム検出装置

Info

Publication number
JPS58166083A
JPS58166083A JP57049416A JP4941682A JPS58166083A JP S58166083 A JPS58166083 A JP S58166083A JP 57049416 A JP57049416 A JP 57049416A JP 4941682 A JP4941682 A JP 4941682A JP S58166083 A JPS58166083 A JP S58166083A
Authority
JP
Japan
Prior art keywords
current
solenoid
hammer
control
type
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
Application number
JP57049416A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0371273B2 (enrdf_load_stackoverflow
Inventor
Juichi Yamagishi
山岸　壽一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP57049416A priority Critical patent/JPS58166083A/ja
Publication of JPS58166083A publication Critical patent/JPS58166083A/ja
Publication of JPH0371273B2 publication Critical patent/JPH0371273B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J9/00—Hammer-impression mechanisms
    • B41J9/44—Control for hammer-impression mechanisms
    • B41J9/52—Control for hammer-impression mechanisms for checking the operation of print hammers

Landscapes

  • Accessory Devices And Overall Control Thereof (AREA)
  • Impact Printers (AREA)
JP57049416A 1982-03-27 1982-03-27 ハンマアラーム検出装置 Granted JPS58166083A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57049416A JPS58166083A (ja) 1982-03-27 1982-03-27 ハンマアラーム検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57049416A JPS58166083A (ja) 1982-03-27 1982-03-27 ハンマアラーム検出装置

Publications (2)

Publication Number Publication Date
JPS58166083A true JPS58166083A (ja) 1983-10-01
JPH0371273B2 JPH0371273B2 (enrdf_load_stackoverflow) 1991-11-12

Family

ID=12830458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57049416A Granted JPS58166083A (ja) 1982-03-27 1982-03-27 ハンマアラーム検出装置

Country Status (1)

Country Link
JP (1) JPS58166083A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60137562U (ja) * 1984-02-24 1985-09-12 日立工機株式会社 ハンマドライバ障害検出装置
US4772140A (en) * 1985-08-06 1988-09-20 Alps Electric Co., Ltd. Print head drive system with trouble detector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324730A (en) * 1976-08-20 1978-03-07 Nec Corp Control circuit f or print check
JPS56130837U (enrdf_load_stackoverflow) * 1980-03-04 1981-10-05

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5324730A (en) * 1976-08-20 1978-03-07 Nec Corp Control circuit f or print check
JPS56130837U (enrdf_load_stackoverflow) * 1980-03-04 1981-10-05

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60137562U (ja) * 1984-02-24 1985-09-12 日立工機株式会社 ハンマドライバ障害検出装置
US4772140A (en) * 1985-08-06 1988-09-20 Alps Electric Co., Ltd. Print head drive system with trouble detector

Also Published As

Publication number Publication date
JPH0371273B2 (enrdf_load_stackoverflow) 1991-11-12

Similar Documents

Publication Publication Date Title
EP0012821B1 (en) Ink jet printer with means for monitoring its ink jet head-operation
JPH06102379B2 (ja) 加熱式インク・ジエツト・プリンタの故障を検出する装置
JP4461615B2 (ja) 電動パワーステアリング機構の制御装置
JP6469225B2 (ja) 車両用制御装置
JPH04286657A (ja) 圧電素子の異常検出回路
US4875409A (en) Magnetic print hammer actuator protection circuit
US4706561A (en) Printing activator test circuit generating back EMF
JPS58166083A (ja) ハンマアラーム検出装置
JP2934334B2 (ja) プリンタ印字ヘッド焼損防止装置
JPS58138672A (ja) インパクト型印刷装置
CA1056310A (en) Protection system for hammer drive circuits in impact printers
JPS5894489A (ja) プリンタの故障検出装置
JP2572608B2 (ja) 感熱ヘッドの保護装置
JPS61123566A (ja) サ−マルプリンタ
US4772140A (en) Print head drive system with trouble detector
JP2586373B2 (ja) サーマルヘッド駆動制御方法
JPH03193367A (ja) 感熱記録装置
JP2961611B2 (ja) サーマルヘッド制御回路
JPH01232078A (ja) 紙詰まり検出機能付きプリンタ
JPH01245338A (ja) 自己診断回路の誤認識防止方式
KR940009027B1 (ko) 프린트 헤드의 위치이탈 감지방법
JPS59174379A (ja) 印字体の動作制御方法
JPH1073627A (ja) Ｉｃ試験装置の自己診断装置
JPH0276749A (ja) サーマルヘッドの故障検出方式
KR100197107B1 (ko) 출력 액츄에이터 자기진단시 진단오류 방지방법