HP Color 9850mfp Service Manual - Page 507

2 UNIT EXPLANATION Q3224A When a booklet arrives from the press section, the stopper is released by the M104 (stopper release) to allow the booklet to be conveyed to the next section. Press section conveyance roller (2) Stopper Booklet Conveyance belt Press section conveyance roller (1) M104 (stopper release motor) *2 Booklet press The press plate is pressed against the booklet to hold it so that all pages of the booklets are trimmed to the same size. The press plate is driven by the M105 (press). Press section driven roller Conveyance belt Press plate M105 (press motor) Rear end stopper [3] Stopper/Press Control M103_A M103_A M103_B M103_B M104_CONT M105_CONT PS101_SIG PS102_SIG PS103_SIG PS104_SIG PS108_SIG FINISHER TUDB 5V IN GND 24V 24V DRV A DRV A DRV B DRV B 24V DRV 5V IN GND 5V IN GND 5V IN GND 24V DRV 5V IN GND 5V IN GND PS101 M103 M104 PS102 PS103 PS104 M105 PS105 PS108 To move the stopper horizontally, the M103(stopper) drives the timing belt to which the stopper is secured. To release the stopper, the drive force of the M104 (stopper release) is transferred via gears. To press the booklet, the drive force of the M105 (press) is transferred to the press plate via gears and linkages. The M103,M104 and M105 are driven by the TUDB (Trimmer drive board) under the control of the finisher. Related signals are PS101 (entrance), PS102 (booklet conveyance), PS103 (stopper HP), PS104 (stopper release HP), PS105 (press HP), and PS108 (exit). Booklet PS105 (press HP PS) 2 - 5