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| Number | Title | Issue Date |
| 4699501 | Image forming apparatus with an operation panel control function An image forming apparatus with an operation panel control function, the apparatus has a housing including an original scanning section for optically scanning an original placed on an original table so as to obtain optical image data, an image forming sec... | 10/13/1987 |
| 4669853 | Automatic buckle adjust A buckle adjust procedure that automatically adjusts the amount of buckle introduced into copy sheets. The buckle adjust procedure includes the measurement of the time period for the trail edge of a first set of buckled copy sheets at the registration sta... | 06/02/1987 |
| 4610533 | Automatic document feeding device There is disclosed an automatic document feeding device provided with a positionally adjustable document detector for adjusting the document stopping position.... | 09/09/1986 |
| 4568173 | Image forming apparatus There is provided a copying machine in which a copying magnification and a copying density are variable. When the operation mode is set in the check mode and a copying start key is depressed, a document is copied once at a predetermined copying magnificat... | 02/04/1986 |
| 4553830 | Servicing system for reproduction machines To facilitate servicing of xerographic type reproduction machines or printers, diagnostic routines are used (1) to operate the machine in a predetermined copy run while recording the clock count on a global counter on the arrival of a copy sheet at a firs... | 11/19/1985 |
| 4536079 | Servicing system for reproduction machines To facilitate servicing of xerographic type reproduction machines or printers, diagnostic routines are used (1) to operate the machine in a predetermined copy run while recording the clock count on a global counter on the arrival of a copy sheet at a firs... | 08/20/1985 |
| 4335949 | Reproduction machine with recirculating document handler diagnostics A reproduction machine having a recirculating document handler, a display, and the means to enter a diagnostic mode for immediate access of time periods between sensors detecting document travel in the document handler. Upon entering the diagnostic mode, ... | 06/22/1982 |
| 4335952 | Copy quality diagnostic procedure Copy sheets produced by varying copier machine subsystems for analyzing subsystems' performance. By varying parameters, sequencing the coronas, and inhibiting the various subsystems of a copy machine in certain orders, the resulting copy sheets can be ana... | 06/22/1982 |
| 4310237 | Adjusting copy contrast and density In a copier having stored in memory, a matrix of sets, with each set having at least two different values corresponding to: (i) a specific voltage level Vo applied onto a photoconductor by the primary charger; and (ii) a specific copier exposure level Eo;... | 01/12/1982 |
| 4297029 | Apparatus and method for diagnostic entry Diagnostic capability is provided by setting a machine in a jam condition and using non-diagnostic dedicated circuitry. A selector switch is switched from a first predetermined number to a second predetermined number while simultaneously activating a star... | 10/27/1981 |
| 4206995 | Reproduction machine with on board document handler diagnostics An electrostatographic type copying or reproduction machine incorporating a programmable controller to operate the various machine components in an integrated manner to produce copies is disclosed herein. The controller carries a master program varying ma... | 06/10/1980 |
| 4167322 | Electrostatic copying system having monitoring devices A plurality of electrostatic copying machines (12), (13), (14), (16) are interconnected by bus lines (19), (21), (22). Each copying machine (12), (13), (14), (16) is provided with a sensor unit (23) for sensing various status parameters of the copying mac... | 09/11/1979 |
| 4035072 | Programmable controller for controlling reproduction machines A programmable controller is used to control the operation of a xerographic reproducing machine adapted to run in a simplex or duplex mode whereby copies are made on either or both sides of web material fed in a single pass and then cut into individual co... | 07/12/1977 |
| 4023901 | Reproduction machine service control Control apparatus for a xerographic type copying machine which enables the service technician to give the machine operator or user, as the operator's experience and training progresses, increased control over, and responsibility for, critical machine oper... | 05/17/1977 |
