Pcbs; Fcu And Ncu - Ricoh FAX680MP Service Manual

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PCBs

6.2 PCBS

[C]

[A]

[C]

H905R510.cdr

1. Open the top cover, gently slide the print head carriage [A] to the left end,

remove the cable supporter [B], and release the flat cables [C] from the hooks

(refer to section 1.2).

2. Gently slide the carriage [A] halfway across, and put the flat cables [C] inside

the opening [D].

3. Place the machine as shown, and remove the bottom cover assembly [E] (13

harnesses; do not disconnect the one connecting the FCU and the NCU, 4

screws; 2 screws at the machine's front are short, the others are long) [E].

4. Remove the paper tray [F] from the bottom cover assembly.

5. Remove the FCU (4 screws, 1 harness) and the NCU (3 screws, 1 harness).

NOTE: When replacing the FCU, make sure to turn on the battery switch (JP1)

before assembly [See the next page].

[B]

[D]

[F]

6-6

31 March, 1997

[E]

H905R511.cdr

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