background image

7.3 PAPER FEED ROLLER REPLACEMENT  

  1. Remove the cutter unit.

  2. Unlock and lift the paper feed roller unit [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 bushings [H], and 1 retaining ring [I]).

[A]

[B]

[C]

[I]

[H]

[D]

[H] [G]

[E]

[F]

[E]

REPLACEMENT AND ADJUSTMENT 

31 October 1994

18

Содержание A571

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Отзывы: