HP d640 HP D640 High-Volume Printer - User Manual (Printer and Accessories), C - Page 173
LED Array Area, To clean the LED Array
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Periodic Cleaning (When Replacing Drum) LED Array Area To clean the LED Array: 1. Use the supplied cleaning cloths to wipe up any toner or dust off the outside of the LED array. Clean all the way across the LED array. Figure 5-10 shows the LED array and illustrates the cleaning procedure. Caution Be careful to avoid contacting the developer unit roller on the right side of the area, as this could damage the developer. Figure 5-10 Cleaning LED Array 2. Install the new drum assembly, as described in "Drum Kit - Replacing Drum and Transfer Assembly" on page 4-18. 5-10 Maintenance
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Periodic Cleaning (When Replacing Drum)
5-10
Maintenance
LED Array Area
To clean the LED Array:
1.
Use the supplied cleaning cloths to wipe up any toner or dust off the outside of the LED
array. Clean all the way across the LED array. Figure 5-10 shows the LED array and
illustrates the cleaning procedure.
Caution
Be careful to avoid contacting the developer unit roller on the right side of the area,
as this could damage the developer.
Figure 5-10
Cleaning LED Array
2.
Install the new drum assembly, as described in “Drum Kit - Replacing Drum and
Transfer Assembly” on page
4-18.