Registration reset system

Claim 2

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member including, means for producing electrostatic latent images on said member, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving photo-receptor member at which each developed image is transferred, means for feeding copy material from a supply thereof to said transfer station for transfer of the developed image to the copy material, programming means associated with said image producing means and said copy material feeding means and operative when activated for controlling actuation of the feeding means in timed sequence relative to the production of each latent image by said image producing means, said programming means including means for effecting the activation thereof once in each of predetermined time cycles, and means cooperatively associated with the movement of copy material to said transfer station for resetting said time cycle.

Claim 3

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member including, means for producing electrostatic latent images on said member, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt at which each developed image is transferred, means for feeding copy material from a supply thereof to said transfer station, means for generating in cycles series of control pulses, said generating means including means associated with said image producing means and said copy material feeding means for controling actuation of the feeding means in timed sequence relative to the production of each latent image by said image producing means for each of said cycles, and means cooperatively associated with the movement of copy material to said transfer station for resetting each of said cycles.

Claim 4

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member including, means for producing electrostatic latent images on said member, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt at which each developed image is transferred, means for feeding copy material from a supply thereof to said transfer station, means for generating in cycles series of control pulses, said generating means including means associated with said image producing means and said copy material feeding means for controling actuation of the feeding means in timed sequence relative to the production of each latent image by said image producing means for each of said cycles, and means cooperatively associated with the movement of copy material to said transfer station for resetting each of said cycles.

Claim 5

The apparatus of claim 2 wherein said generating means is a timing device.

Claim 6

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member including, means for producing electrostatic latent images on said member, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt at which each developed image is transferred, means for feeding seriatim sheets of copy material from a supply thereof and to said transfer station at the rate of one sheet per actuation thereof for transfer of the developed image thereto, means for generating in cycles series of control pulses, said generating means including means associated with said image producing means and said sheet feeding means for controlling actuation of said sheet feeding means in timed sequence relative the production of each lAtent image by said image producing means for each of said cycles, and a sheet sensing device adjacent said sheet feeding means for sensing each sheet of material as the same moves toward the transfer station, said generating means being operatively connected to said sensing device for effecting the start of each series of control pulses for each sheet of material sensed.

Claim 7

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member including, means for producing electrostatic latent images on said member, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt at which each developed image is transferred, means for feeding seriatim sheets of copy material from a supply thereof and to said transfer station at the rate of one sheet per actuation thereof for transfer of the developed image thereto, means for generating in cycles series of control pulses, said generating means including means associated with said image producing means and said sheet feeding means for controlling actuation of said sheet feeding means in timed sequence relative the production of each lAtent image by said image producing means for each of said cycles, and a sheet sensing device adjacent said sheet feeding means for sensing each sheet of material as the same moves toward the transfer station, said generating means being operatively connected to said sensing device for effecting the start of each series of control pulses for each sheet of material sensed.

Claim 8

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member including, means for producing electrostatic latent images on said member, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt at which each developed image is transferred, means for feeding seriatim sheets of copy material from a supply thereof and to said transfer station at the rate of one sheet per actuation thereof for transfer of the developed image thereto, means for generating in cycles series of control pulses, said generating means including means associated with said image producing means and said sheet feeding means for controlling actuation of the sheet feeding means in timed sequence relative to the production of each latent image by said image producing means for each of said cycles, and a registration device adjacent said sheet feeding means for contacting and registering each sheet of material as the same moves toward the transfer station, said generating means being operatively connected to said registration device for effecting the start of each series of control pulses for each sheet of material registered.

Claim 9

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member including, means for producing electrostatic latent images on said member, development means for applying developing material to each of the latent images to develop the same, transfer station adjacent the moving belt at which each developed image is transferred, means for feeding seriatim sheets of copy material from a supply thereof and to said transfer station at the rate of one sheet per actuation thereof for transfer of the developed image thereto, means for generating in cycles series of control pulses, said generating means including means associated with said image producing means and said sheet feeding means for controlling actuation of the sheet feeding means in timed sequence relative to the production of each latent image by said image producing means for each of said cycles, and a registration device adjacent said sheet feeding means for contacting and registering each sheet of material as the same moves toward the transfer station, said generating means being operatively connected to said registration device for effecting the start of each series of control pulses for each sheet of material registered.

Claim 10

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member including, means for producing electrostatic latent images on said member, development means for applying developing material to each of the latent images to develop the same, a transfer station adjacent the moving belt at which each developed image is transferred, means for feeding seriatim sheets of copy material from a supply thereof and to said transfer station at the rate of one sheet per actuation thereof for transfer of the developed image thereto, means for generating in cycles series of control pulses, said generating means including means associated with said image producing means for controlling action of the same at the rate of one image producing operation in each series of generated pulses, and means responsive to the movement of each sheet of copy material for resetting each of said time cycles.

Claim 11

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member including, means for producing electrostatic latent images on said member, development means for applying developing material to each of the latent images to develop the same, a transfer station adjacent the moving belt at which each developed image is transferred, means for feeding seriatim sheets of copy material from a supply thereof and to said transfer station at the rate of one sheet per actuation thereof for transfer of the developed image thereto, means for generating in cycles series of control pulses, said generating means including means associated with said image producing means for controlling action of the same at the rate of one image producing operation in each series of generated pulses, and means responsive to the movement of each sheet of copy material for resetting each of said time cycles.

Claim 12

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member including, means for producing electrostatic latent images on said member, development means for applying developing material to each of the latent images to develop the same, a transfer station adjacent the moving belt at which each developed image is transferred, means for feeding seriatim sheets of copy material from a supply thereof and to said transfer station at the rate of one sheet per actuation thereof for transfer of the developed image thereto, programming means associated with said image producing means and said sheet feeding means and operative when activated for controlling actuation of said sheet feeding means in timed sequence relative to the production of each latent image by said image producing means, said programming means including means for effecting the activation thereof once in each of predetermined time cycles, and means responsive to the movement of each sheet of copy material for resetting said time cycle.

Claim 13

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member including, means for producing electrostatic latent images on said member, development means for applying developing material to each of the latent images to develop the same, a transfer station adjacent the moving belt at which each developed image is transferred, means for feeding seriatim sheets of copy material from a supply thereof and to said transfer station at the rate of one sheet per actuation thereof for transfer of the developed image thereto, programming means associated with said image producing means and said sheet feeding means and operative when activated for controlling actuation of said sheet feeding means in timed sequence relative to the production of each latent image by said image producing means, said programming means including means for effecting the activation thereof once in each of predetermined time cycles, and means responsive to the movement of each sheet of copy material for resetting said time cycle.

Claim 14

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member and a plurality of processing devices arranged when activated for producing electrostatic latent images on the photoreceptor member for developing the images, for feeding sheet material seriatim, And for transferring developed images to the moving sheet material, and drive means operatively connected to the photoreceptor member for driving the same in the endless path, the improvement comprising, means for generating a train of control pulses for control activation of at least one of the processing devices, and means responsive to the feeding of sheet material for converting the train of control pulses into series of pulses at the rate of one series for each sheet of material fed.

Claim 15

An electrostatic printing apparatus for reproducing copies of an original having a movable photoreceptor member and a plurality of processing devices arranged when activated for producing electrostatic latent images on the photoreceptor member for developing the images, for feeding sheet material seriatim, And for transferring developed images to the moving sheet material, and drive means operatively connected to the photoreceptor member for driving the same in the endless path, the improvement comprising, means for generating a train of control pulses for control activation of at least one of the processing devices, and means responsive to the feeding of sheet material for converting the train of control pulses into series of pulses at the rate of one series for each sheet of material fed.