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Allegro 20 Disc Publishing System 

Service Manual 

 

 
 
 
 
 
 

 

Summary of Contents for Allegro 20

Page 1: ...Allegro 20 Disc Publishing System Service Manual...

Page 2: ...Section 13 Picker Arm 19 Section 14 Lead Screw 21 Section 15 Picker Interface Board Flex Cable 22 Section 16 Solenoid 24 Section 17 Picker Arm Board Sensor Flag Bracket 26 Section 18 Carrier 28 Secti...

Page 3: ...20 Disc Publishing System Service Manual Section 1 Cover 1 1 Turn unit over Remove 2 screws securing back of cover 1 2 Remove 2 screws securing front of cover Unplug control panel cable from mainboar...

Page 4: ...stem Service Manual Section 2 Control Panel 2 1 Unplug cable Remove 2 screws securing control panel 1 2 Remove push spacers and snap into new control panel Secure to cover and connect cable Press butt...

Page 5: ...ction 3 USB3 Hub 3 1 Unplug eSata cable Remove 3 screws securing board and ground strap 3 2 Remove spacer and snap into new USB3 hub Replace hub making sure pins properly plug into connectors on mainb...

Page 6: ...20 Disc Publishing System Service Manual Section 4 Mainboard 4 1 Remove USB3 hub see USB3 Hub Unplug all 8 or 9 cables from mainboard 4 2 Remove 2 screws securing mainboard Lift mainboard while pullin...

Page 7: ...ing System Service Manual 4 3 Remove 2 screws securing static brush to mainboard Attach static brush to topside of new mainboard Section 5 Encoder Wheel Sensor 5 1 Unplug encoder wheel sensor from mai...

Page 8: ...g System Service Manual 5 2 Secure new encoder wheel sensor and plug into mainboard Be sure encoder wheel is captured in center of sensor Section 6 Drive Fan 6 1 Cut tie wrap Unplug fan cable from mai...

Page 9: ...l 6 2 Flip unit over Remove 2 screws securing fan bracket Lift bracket up pulling fan cable out though opening in unit 6 3 Remove 2 screws securing fan to bracket Attach new fan and place bracket back...

Page 10: ...ing System Service Manual Section 7 Drive 7 1 Remove 4 screws and washers securing drive to underside of unit upper left screw can be accessed through notch in mainboard 7 2 Flip unit over Remove 2 sc...

Page 11: ...Manual 7 3 Unplug both cables from back of drive Push disc tray out Lift drive up out of unit 7 4 Remove 4 screws securing left and right brackets to drive Secure brackets to bottom set of holes on ne...

Page 12: ...ishing System Service Manual 7 5 Place drive into unit and plug both cables into back Replace fan bracket Replace 4 screws and washers from top of unit leaving screws slightly loose Section 8 Exhaust...

Page 13: ...ration Page 13 Allegro 20 Disc Publishing System Service Manual 8 2 Flip unit over Remove 2 screws securing fan cover plate 8 3 Remove 2 screws securing fan Replace fan and fan cover plate Plug fan in...

Page 14: ...Manual Section 9 Maintenance Felt 9 1 Flip unit over Remove 2 screws securing fan cover plate 9 2 Remove 3 pieces of maintenance felt Wipe up any excess ink before installing new felt Place longer fel...

Page 15: ...el off bent or damaged encoder wheel Clean end of gear with alcohol before adhering new encoder wheel Section 11 Feed Drive Motor 11 1 Use T8 driver to remove 2 screws securing motor Carefully fold up...

Page 16: ...6 Allegro 20 Disc Publishing System Service Manual 11 2 Unplug motor from mainboard When replacing motor be sure to route cable through small notch on frame Section 12 Picker 12 1 Unplug picker flex c...

Page 17: ...c Publishing System Service Manual 12 2 Peel flex cable away from double sided tape and pull out through carrier frame 12 3 Press down on encoder strip slightly to pull it out of sensor slot and route...

Page 18: ...Manual 12 4 Remove screws from both ends of carrier shaft Using 2 drivers to remove both screws at the same time helps prevent shaft from spinning 12 5 Pull out on left end of carrier shaft to pop it...

Page 19: ...ack into frame tightening both screws at the same time to prevent it from spinning Route flex cable back through slot and plug into mainboard Be sure flex cable is parallel with frame before securing...

Page 20: ...Publishing System Service Manual 13 2 Remove retaining ring from top of shaft Push up on bottom of shaft to remove it from assembly 13 3 Unplug small flex cable from picker arm Pull up on end of picke...

Page 21: ...of disc picker frame is captured by slot on picker arm left pic Replace shaft and retaining ring Plug flex cable back into picker arm Section 14 Lead Screw 14 1 Remove picker arm see Picker Arm Pry co...

Page 22: ...first Then pry up on top frame while pressing motor in Be sure corner of motor is captured on tab on back side of frame Plug motor into board Section 15 Picker Interface Board Flex Cable 15 1 Remove l...

Page 23: ...legro 20 Disc Publishing System Service Manual 15 2 After replacing interface board and or flex cables route cables through slots on board as shown 15 3 When replacing board route large flex cable thr...

Page 24: ...on Page 24 Allegro 20 Disc Publishing System Service Manual Section 16 Solenoid 16 1 Remove picker assembly see Picker Use a narrow flathead screwdriver to pry cover off of tabs on disc picker arm 16...

Page 25: ...n Page 25 Allegro 20 Disc Publishing System Service Manual 16 3 Unplug solenoid cable from board Remove 2 screws securing solenoid in picker arm 16 4 Pull solenoid cable out through opening in picker...

Page 26: ...ystem Service Manual 16 5 When installing new solenoid route both wires of cable around to right side and through small slot Section 17 Picker Arm Board Sensor Flag Bracket 17 1 Remove picker assembly...

Page 27: ...ng up and out on board While continuing to pull on board slightly pry out other tab to release board Replace picker arm board and or sensor flag bracket When replacing board press down into slot until...

Page 28: ...ual Section 18 Carrier 18 1 Unplug both carrier flex cables from mainboard Press tab on flex holder to remove from carrier frame Pull flex cables out through frame 18 2 Remove screw from carrier belt...

Page 29: ...Manual 18 3 Press down on encoder strip slightly to pull it out of sensor slot and route behind carrier 18 4 Remove screws from both ends of carrier shaft Using 2 drivers to remove both screws at the...

Page 30: ...ve from unit 18 6 When replacing carrier be sure picker and carrier are properly captured on top edge of carrier frame Press carrier shaft back into frame tightening both screws at the same time to pr...

Page 31: ...ion 19 Alignment Sensor 19 1 Remove carrier from unit see Carrier Remove 2 screws indicated 19 2 Press up on corner of lower capture lever just enough to access screw indicated do not completely remov...

Page 32: ...ation Page 32 Allegro 20 Disc Publishing System Service Manual 19 3 Slightly pry both frames apart just enough to pull alignment sensor wires out from tab 19 4 Remove screw securing quad sensor carrie...

Page 33: ...ensor from carrier flex pc Connect new alignment sensor 19 6 When reassembling carrier be sure to snap end of quad sensor carrier bracket onto tab on frame before replacing screw Be sure to route alig...

Page 34: ...m Service Manual Section 20 Carrier Flex PC 20 1 Remove carrier from unit see Carrier Remove 3 screws indicated 20 2 Press up on lower capture lever to detach from unit Lift lever off of unit pulling...

Page 35: ...frames separate lift carrier flex pc out of assembly 20 4 Use a small flathead screwdriver to pry and pop sensor out of quad sensor carrier bracket Press sensor from new carrier flex pc into bracket u...

Page 36: ...sor in Place new carrier flex pc into frame 20 6 When reassembling carrier be sure to snap end of quad sensor carrier bracket onto tab on frame before replacing screw Be sure to route alignment sensor...

Page 37: ...between lower capture lever and carrier base Hold spring in center and snap lower capture lever back into place while removing tweezers Spring should remain captured between parts Be sure spring is ce...

Page 38: ...from left side of carrier frame Pull left end of encoder strip off of tab then unhook right end When replacing encoder strip hook right end before attaching spring 21 2 Be sure new encoder strip is ro...

Page 39: ...c Publishing System Service Manual Section 22 Carrier Drive Motor 22 1 Unplug carrier drive motor from mainboard 22 2 Remove 2 screws securing both ends of carrier shaft Remove screw securing carrier...

Page 40: ...slightly up slightly to gain access to bottom screw Remove 2 screws T8 driver securing carrier drive motor 22 4 Install new motor be sure to include spacer Pop left end of carrier shaft back into plac...

Page 41: ...vice Manual Section 23 Print Tray 23 1 Remove mainboard see Mainboard Unhook belt from belt clamp bracket Remove screw 23 2 Pull tray completely back to align belt clamp bracket with notch in base Lif...

Page 42: ...Service Manual 23 3 Lift up back end of tray and pull out to remove from unit Section 24 Carrier Frame 24 1 Remove print tray see Print Tray Loosen screw securing belt tensioner Pull belt off of belt...

Page 43: ...Disc Publishing System Service Manual 24 2 Remove 3 screws securing front of carrier frame Remove carrier frame from base by lifting and pulling forward 24 3 When replacing carrier frame press tabs o...

Page 44: ...ncoder Wheel Sensor Carrier slams quickly to right Encoder strip see Encoder Strip No carrier print tray solenoid or picker Blinking control panel Picker interface board or flex cable see Picker Inter...

Page 45: ...position with disc Picker arm board or sensor flag bracket see Picker Arm Board Sensor Flag Bracket Erratic carrier and picker movements before eventually grabbing a disc Blinking control panel Sensor...

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