Epson 9600 Service Manual - Page 113
Paper Feed Assembly
UPC - 010343841888
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EPSON Stylus Pro 7600/9600 2.2.2 Paper Feed Assembly This printer uses friction feed to carry out highly precise feeding of roll paper and cut sheets, and comprises a unique paper feed mechanism. The paper feed mechanism unit is configured from a grid roller (one piece construction), and pressurizing and follower roller assemblies mounted on the back of the CR guide rail opposite the front surface. Secondary Roller Assembly Grid Roller R = Paper width flag L = Paper Set Lever flag Revision A PF motor The PF motor is a DC motor. The grid of the loop scale mounted on the Grid Roller is read by the PF_ENC sensor and the output pulse is fed back to control the motor. This feedback control ensures high printing accuracy. Driving of the grid roller is accomplished by the PF motor via the PF timing belt which attaches to a reduction pulley that is connected to the grid roller. Secondary Roller Assembly Grid Roller CR Guide Rail Center Frame Speed-Reduction Gear Platen PF Motor Paper Set Lever Figure 2-11. Paper Feed Mechanism Unit 1/2 Sub Platen Paper Paper Guide L1, L2 PF Motor Figure 2-12. Paper Feed Mechanical Unit PF Rail Unit Operating Principles Print Mechanism Components 113