RB2-7939-000CN printer parts diagram.

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RB2-7939-000CN is represented by #23 in the diagram below.

ADF Scanner Assembly
RB2-7939-000CN is represented by #23 in the diagram below.
  • 1
    • 1 RB2-8678-000CN - Ferrite core assembly - Large 'doughnut' shaped ferrite for the ribbon cable that connects the scanner control PC board to the ADF analog processor PC board
  • 3
    • 3 RB2-8040-000CN - Top cover assembly - `U` shaped plastic cover - Covers the top of the scanner in the ADF assembly - Mounts on the left end of the ADF assembly
  • 4
    • 4 RB2-8046-000CN - Lower front cable guide (I/F 1) - One of six pieces that form the pivioting cable guide from the ADF assembly to the scanner assembly - Mounts on the left rear of the ADF assembly
  • 5
    • 5 RB2-8047-000CN - Upper front cable guide (I/F 4) - Curved plastic piece - One of six pieces that form the pivioting cable guide from the ADF assembly to the scanner assembly - Mounts on the left rear of the ADF assembly
  • 6
    • 6 RB2-8048-000CN - ADF assembly front cover - Mounts on the end of the ADF main assembly structure
  • 7
    • 7 RB2-8681-000CN - Lower internal cable guide (I/F 5) - One of six pieces that form the pivioting cable guide from the ADF assembly to the scanner assembly - Mounts on the left rear of the ADF assembly
  • 8
    • 8 RB2-8682-000CN - Upper internal cable guide (I/F 6) - Arm shaped ribbon cable retainer - One of six pieces that form the pivioting cable guide from the ADF assembly to the scanner assembly - Mounts on the left rear of the ADF assembly
  • 9
    • 9 RB2-8693-000CN - ADF stop holder - White plastic 'T' shaped bumper that limits travel of the ADF main assembly mechanism - Mounts in the upper left front corner of the lower feed mechanism
  • 10
    • 10 RF5-3850-000CN - ADF optical unit air filter - Keeps dust particles from contacting the scanning lamp - Mounts on the lower rear of the ADF main assembly
  • 11
    • 11 RH2-5456-000CN - Ribbon cable - Connects between the ADF analog processor board (J301) in the ADF assembly and the scanner control board (J102) in the flatbed scanner assembly
  • 13
    • 13 RG5-6274-000CN - ADF media width sensor assembly (includes the white sensor gear that mates with the rack gear) - Works with the front and rear width guides - Mounts on the bottom center of the ADF base assembly (behind the copyboard cover assembly)
  • 14
    • 14 RH5-3078-000CN - ADF intermediate PC board - Has for cable connectors (J701, J702, J703, and J704) plus the ADF close angle detection sensor - Mounts on top of the ADF base assemby towards the center rear
    • 14 RH5-3078-030CN - ADF intermediate PC board - Has four cable connectors (J701, J702, J703, and J704) plus the ADF close angle detection sensor - Mounts on top of the ADF base assembly towards the center rear
  • 15
    • 15 RG5-6311-000CN - Cable guide assembly - Black plastic channel/cover - Mounts on the rear of the ADF main assembly
  • 16
    • 16 RH7-1486-000CN - ADF cooling fan (ONLY) - Mounts on the left rear of the ADF base assembly
    • 16 RH7-1486-020CN - ADF cooling fan (ONLY) - Mounts on the left rear of the ADF base assembly
  • 17
    • 17 RG5-6313-000CN - Upper and lower rear cable guides (I/F 2 and 3) - Two of six pieces that form the pivioting cable guide from the ADF assembly to the scanner assembly - Mounts on the left rear of the ADF assembly
    • 17 RG5-6313-030CN - Upper and lower rear cable guides (I/F 2 and 3) - Two of six pieces that form the pivioting cable guide from the ADF assembly to the scanner assembly - Mounts on the left rear of the ADF assembly
  • 18
    • 18 RB2-7943-000CN - Sensor lever - Rotating arm with a flag at one end that protrudes through the ADF base and another at the other end that activates one of the media length sensors - Mounts on the bottom center of the ADF base assembly (two used)
  • 19
    • 19 WG8-5362-000CN - Photo-sensor (TLP1241) - Sensor flag activated.
    • 19 WG8-5624-000CN - Replacement for part WG8-5362-000CN ORDER WG8-5624-000CN PHOTO-INTERRUPTER TLP1241 Photo-sensor (TLP1241) - Sensor flag activated
  • 21
    • 21 RF5-3682-000CN - Rear paper guide - Width adjustable side wall for documents placed in the ADF input tray - Mounts on top of the ADF base assembly
  • 22
    • 22 RF5-3698-000CN - Front paper guide - Width adjustable side wall for documents placed in the ADF input tray - Mounts on top of the ADF base assembly
  • 23
    • 23 RB2-7939-000CN - Tray rack arm - Strip of plastic with gear teeth molded into one side - Keeps the front and rear paper guides on the ADF input tray equidistant from the center (two used)
    • 23 RB2-7939-000CN - Tray rack arm - Strip of plastic with gear teeth molded into one side - Keeps the front and rear paper guides on the ADF input tray equidistant from the center (two used)
1
RB2-8678-000CN Ferrite Assembly Ferrite core assembly - Large 'doughnut' shaped ferrite for the ribbon cable that connects the scanner control PC board to the ADF analog processor PC board
3
RB2-8040-000CN Cover Top cover assembly - `U` shaped plastic cover - Covers the top of the scanner in the ADF assembly - Mounts on the left end of the ADF assembly
4
RB2-8046-000CN Guide Lower front cable guide (I/F 1) - One of six pieces that form the pivioting cable guide from the ADF assembly to the scanner assembly - Mounts on the left rear of the ADF assembly
5
RB2-8047-000CN Guide Upper front cable guide (I/F 4) - Curved plastic piece - One of six pieces that form the pivioting cable guide from the ADF assembly to the scanner assembly - Mounts on the left rear of the ADF assembly
6
RB2-8048-000CN Cover ADF assembly front cover - Mounts on the end of the ADF main assembly structure
7
RB2-8681-000CN Guide Lower internal cable guide (I/F 5) - One of six pieces that form the pivioting cable guide from the ADF assembly to the scanner assembly - Mounts on the left rear of the ADF assembly
8
RB2-8682-000CN Guide Upper internal cable guide (I/F 6) - Arm shaped ribbon cable retainer - One of six pieces that form the pivioting cable guide from the ADF assembly to the scanner assembly - Mounts on the left rear of the ADF assembly
9
RB2-8693-000CN Holder ADF stop holder - White plastic 'T' shaped bumper that limits travel of the ADF main assembly mechanism - Mounts in the upper left front corner of the lower feed mechanism
10
RF5-3850-000CN Filter ADF optical unit air filter - Keeps dust particles from contacting the scanning lamp - Mounts on the lower rear of the ADF main assembly
11
RH2-5456-000CN Cable Ribbon cable - Connects between the ADF analog processor board (J301) in the ADF assembly and the scanner control board (J102) in the flatbed scanner assembly
13
RG5-6274-000CN Sensor ADF media width sensor assembly (includes the white sensor gear that mates with the rack gear) - Works with the front and rear width guides - Mounts on the bottom center of the ADF base assembly (behind the copyboard cover assembly)
14
RH5-3078-000CN PC Board ADF intermediate PC board - Has for cable connectors (J701, J702, J703, and J704) plus the ADF close angle detection sensor - Mounts on top of the ADF base assemby towards the center rear
14
RH5-3078-030CN PC Board ADF intermediate PC board - Has four cable connectors (J701, J702, J703, and J704) plus the ADF close angle detection sensor - Mounts on top of the ADF base assembly towards the center rear
15
RG5-6311-000CN Guide Cable guide assembly - Black plastic channel/cover - Mounts on the rear of the ADF main assembly
16
RH7-1486-000CN Fan ADF cooling fan (ONLY) - Mounts on the left rear of the ADF base assembly
16
RH7-1486-020CN Fan ADF cooling fan (ONLY) - Mounts on the left rear of the ADF base assembly
17
RG5-6313-000CN Guide Upper and lower rear cable guides (I/F 2 and 3) - Two of six pieces that form the pivioting cable guide from the ADF assembly to the scanner assembly - Mounts on the left rear of the ADF assembly
17
RG5-6313-030CN Guide Upper and lower rear cable guides (I/F 2 and 3) - Two of six pieces that form the pivioting cable guide from the ADF assembly to the scanner assembly - Mounts on the left rear of the ADF assembly
18
RB2-7943-000CN Lever Sensor lever - Rotating arm with a flag at one end that protrudes through the ADF base and another at the other end that activates one of the media length sensors - Mounts on the bottom center of the ADF base assembly (two used)
19
WG8-5362-000CN Shaft Photo-sensor (TLP1241) - Sensor flag activated.
19
WG8-5624-000CN Sensor Replacement for part WG8-5362-000CN ORDER WG8-5624-000CN PHOTO-INTERRUPTER TLP1241 Photo-sensor (TLP1241) - Sensor flag activated
21
RF5-3682-000CN Guide Rear paper guide - Width adjustable side wall for documents placed in the ADF input tray - Mounts on top of the ADF base assembly
22
RF5-3698-000CN Guide Front paper guide - Width adjustable side wall for documents placed in the ADF input tray - Mounts on top of the ADF base assembly
23
RB2-7939-000CN Arm Tray rack arm - Strip of plastic with gear teeth molded into one side - Keeps the front and rear paper guides on the ADF input tray equidistant from the center (two used)
23
RB2-7939-000CN Arm Tray rack arm - Strip of plastic with gear teeth molded into one side - Keeps the front and rear paper guides on the ADF input tray equidistant from the center (two used)
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