Canon LBP-2000 Service Manual download pdf (Page 119)

3 - 9

CHAPTER 3

2 . Removing the video controller PCB

1) Remove the rear cover. (See I-A-6 ‘Remov-

ing the Rear Cover.’)

2) Remove the connector cover [1].

3) Disconnect the connector [2] and the flex-

ible cable [3] from the back of the PCB.

[2]

[3]

[1]

Figure 3-2-4

4) Remove the 7 screws [4], and detach the

video controller PCB [5].

[4]

[5]

Figure 3-2-5

Caution: If the video controller PCB must

be replaced, be sure to transfer the

following from the old to new PCB:

1. Option RAM DIMM/ROM

DIMM

2. EEP-ROM (2 pc.; IC4, IC5)

5) If the video controller PCB is replaced the

old to the new PCB, execute the copy

operation of counter at values service

menu. (See VII-C Copying the Counter

Readings in Chapter 4)

3 . Remove the RAM DIMM/ROM DIMM

(option)

The RAM/ROM is found as follows:

Option ROM / P-ROM slot

Extension RAM slot

Figure 3-2-6

1) Taking care not to touch the elements,

push down the socket lever [1]; then, re-

move the RAM DIMM [2] or the ROM

DIMM [3].

[1]

[2]

[3]

Figure 3-2-7

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