Chapter 77-57Related Error CodeE025-0103: Y toner retainer motor connection detection errorE025-0203: M toner retainer motor connection detection errorE025-0303: C toner retainer motor connection detection errorE025-0403: Bk toner retainer motor connection detection errorIn the case of detecting that the connector of the toner retainer motor is disconnected.Related Error CodeE025-0004: Hopper Shutter ErrorIn the case of supplying toner while the hopper shutter is closedRelated Error CodeE023-0001: Developing motor errorWhen the motor is detected as out of locking state for 1 sec or more after its stable rotation.7.8.6 Toner Supply 0020-4595imagePRESS C1+ (Printer) / imagePRESS C1+Toner of each color is sent from the toner bottle to the hopper unit, and sent to the developing assembly on a timely basis.There are two supply routes; "hopper supply" between the toner bottle and hopper unit, and "developing assembly toner supply" between the hopper unit and de-veloping assembly.In the "hopper supply" as the first step of toner supply, when the toner bottle is set to the main unit, toner in the bottle freely falls into the hopper unit.In addition, since the machine drops the toner remained in the bottle into the hopper unit, it rotates the toner bottle motor (M27 - M31) after the "developing assemblytoner supply". This rotates the stirring plate and removes the toner in the bottle.The "developing assembly toner supply" as the next step is performed by the hopper motor (M39 to M43), developing motor (M3), and developing clutch (CL1).The hopper motor (M39 to M43) rotates the toner in the hopper unit, and it drives the toner supply screw and transports the toner to the toner feeder screw. Duringthis operation, the machine turns on the developing clutch (CL1) and rotates the developing motor (M3). This rotates the toner feeder screw and transports the tonerinto the developing assembly.A series of this electric load operation is controlled by the side driver PCB and DC controller. The side driver PCB calculates the toner consumption volume basedon the ATR control results. Accordingly, the side driver PCB judges the toner supply volume and supplies required volume of toner to the developing assembly.F-7-73[1] Toner retainer[2] Stirring plate[3] Hopper unit[4] Toner feed screw[5] Toner supply screwM27 31M39 43CL1M3MN-CONDC-CONPS68 PS72[1][2][3][4][5][7][6][8][9] [10] [11] [12] [13] [14][15]