Disassembling The Preview Screen Assembly; Opening And Removing The Top Cover Assembly - HP PageWriter XL M1705B Service Manual

9. Remove the three screws from the rear panel as shown in
Figure 7-10.
Figure 7-10. Opening and Removing the Top Cover Assembly.
10. Open the top cover and disconnect the preview cable from the
preview logic board (see "Opening and Removing the Top Cover
Assembly" later in this chapter).
Disassembling the Preview Screen Assembly.
Use this procedure to
disassemble the preview screen assembly.
Warning 1
u
Perform the following four steps sequentially to eliminate the chance of
exposure to hazardous voltages.
1. Disconnect the AC power cord.
2. Verify that no disk is in the disk drive.
3. Turn the cardiograph
On.
(This allows the rectifier assembly
capacitors to discharge more rapidly.)
4. Remove the battery as described earlier in this chapter.
5. Remove the two knobs from the front of the display.
6. Remove the left and right clutch covers:
a. Insert a small flat-bladed screwdriver in the slot at the bottom
rear of the cover and gently pry up till the catch releases.
b. Tilt the cover forward slightly to disengage the tabs at the
front, then lift the cover away. (This is easier if the screen
assembly lays flat on the PageWriter.)
7. Remove the right clutch:
a. Remove the mounting screws and washers.
b. Slide the clutch off of the screen housing's right pivot arm.
The clutch fits tightly on the pivot arm ,and requires effort to
remove it .
Removal and Replacement 7-13