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7.2 CUTTER UNIT REMOVAL 

  1. Remove the roll feeder left and right covers.

  2. Remove the 4 screws [A] of the cutter unit.

  3. Take out the cutter unit [B] (1 connector [C]).

NOTE: When reinstalling the cutter unit, attach the cutter unit cover [D]

with the cutter unit.

[C]

[D]

[A]

[A]

[B]

31 October 1994

REPLACEMENT AND ADJUSTMENT 

17

Summary of Contents for A571

Page 1: ...ROLL FEEDER Machine Code A571...

Page 2: ...ngth can be specified by SP23 32 Selected Length Cut 245 mm to 2000 mm 1 mm per step 9 6 to 80 0 1 per step Cutting Time Within 0 80 second Paper Transport Velocity 50 mm s Repeat Quantity 1 to 99 Con...

Page 3: ...AND DRIVE LAYOUT 1 Paper Feed Motor 5 Paper Feed Rollers 2 Idle Pulley 6 Paper Roll Spool 3 Timing Belt 7 Paper Roll 4 Cutter Motor 8 Cutter Unit 5 4 3 2 1 7 6 8 5 6 7 MECHANICAL COMPONENT AND DRIVE L...

Page 4: ...Right Cutter Detects whether or not the cutter is at the right home position 33 Sensors Paper End Detects when the roll paper runs out 35 Leading Edge Misfeed detector Also detects the leading edge of...

Page 5: ...through the cutter unit C to the paper leading edge sensor D according to the signal from the copier When the paper feed motor starts the copier CPU starts measuring the length of the paper The paper...

Page 6: ...he copy paper forward The paper is cut during the time it takes for the paper buckle to be pulled straight This allows for a neat cut When the selected cut length is between 245 mm and 309 mm the roll...

Page 7: ...ears B when the roll cutter unit is unlocked from the lower position and lifted up At this time the cutter unit is locked at the upper position by the lock lever C and the wheel D on the right side ca...

Page 8: ...The rotary cutting blade allows the cutter unit to cut paper in both directions There are home position switches B at both ends of the cutter unit The cutter motor turns off stopping the cutting acti...

Page 9: ...ion TP No GND TP903 VA 24 V TP901 VC 5 V TP902 5 2 BLOWN FUSE CONDITION Component Unit Symptom F901 250V 1 0A RF Main board The AC line for the R F antihumidity heaters is cut The heaters are not turn...

Page 10: ...Check the accessories and their quantities according to the following list Harness Cover 2 pcs Angle Bracket 1 pc Spacer 1 pc Small Cap 1 pc Screws M4x8 8 pcs Screws with Spring Washer M4x8 2 pcs NOT...

Page 11: ...r unit B onto the floor roughly to prevent the left and right covers from being damaged 2 Remove the shipping tapes C and shipping cushions D 3 Remove the left and right covers E and F 3 screws each 4...

Page 12: ...lower right front cover B 2 screws lower right middle cover C toner collection bottle D and rear cover E 2 screws 6 Remove the small caps F from the copier rear cover using cutting pliers 7 Remove th...

Page 13: ...eed table when removing the bracket A 8 Remove the lower front cover B 2 screws reinforcement plate C 1 screw bracket A 4 screws which is changed by the harness and the manual feed table D D B A C INS...

Page 14: ...g arms A on both sides into the mounting rail B NOTE Lift the unit by holding the plate C just under the size marks 10 Install the angle bracket D and spacer E 4 screws 11 Install the small cap F 2 sc...

Page 15: ...he holes in the table rear cover right E and left F 14 Connect the roll feeder harness to the copier main board 2 connectors G and 1 grounding wire H 1 screw with spring washer 15 Connect the roll fee...

Page 16: ...0 using the and keys Enter 1 by pressing the following keys Function Select key E key RF Select key F 22 Input values into SP modes 42 to 47 in accordance with the decal that is attached to stuck on t...

Page 17: ...y the screws extra holes are provided next to the original screw holes 7 1 2 Left and Right Cover NOTE Be careful not to drop and damage the lower front cover B 1 Remove the left and right covers C an...

Page 18: ...t and right covers 2 Remove the 4 screws A of the cutter unit 3 Take out the cutter unit B 1 connector C NOTE When reinstalling the cutter unit attach the cutter unit cover D with the cutter unit C D...

Page 19: ...nit A using the release lever B 3 Remove the release lock lever B 2 screws 4 Remove the feed roller guide plate C 6 screws 5 Replace the paper feed roller D 2 allen screws E 1 gear F 1 snap ring G 2 b...

Page 20: ...for the paper feed motor is not correct the paper cut length varies for each copy paper Readjust the timing belt tension for the paper feed if this occurs 1 Remove the small cap A 2 screws 2 Loosen t...

Page 21: ...hree settings of the cut length depending on the temperature mode They are set in the factory to match a standard paper type Normal SP 42 45 High SP 43 46 Low SP 44 47 1 Make 5 copy samples of A0 leng...

Page 22: ...ich determine the paper spool height 5 If C D lower the right side of the paper spool If C D do the opposite 6 Make another copy Check the lengths C and D 7 Repeat steps 4 to 6 if necessary NOTE If th...

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