Epson AcuLaser C8500 Service Manual page 484

EPSON AcuLaser C8500
2. If any abnormality is found in the listed check points:
Check the life counters of the consumables and regularly
replaced parts. (See Section 6.2.)
Perform the adjustment. (See Chapter 3)
CLEANING
1. Remove any foreign matter lodged in the 2ND BTR ASSEMBLY,
MAIN P/H ASSEMBLY, FUSER ASSEMBLY, and rollers in the
paper paths and so on. Then clean the dirt using a brush or dry soft
cloth.
NOTE:To remove severe dirt, remove it with a moistened cloth then
wipe with a dry cloth. Be sure not to mar the dirty part during
cleaning.
2. Using a soft cloth, clean out the spilt toner in the following parts:
DEVELOPER, TONER CARTRIDGE (including their installing
positions), inside of the FRONT COVER, WASTE TONER BOX
installation point and its adjacent parts, BELT CLEANER
ASSEMBLY and its adjacent parts.
3. Clean the fan ducts. Remove the REAR COVER and remove the
dust adhered to the DEVE. FAN, FUSER FAN, and REAR COVER
with a brush. Also, remove the dust accumulated on the
CONTROLLER FAN and the TOP COVER by removing the TOP
COVER.
NOTE:Clogged dust around the fan ducts and fans can heat up the
air inside of the printer, which may cause a printer
malfunction.
Chapter 6 Maintenance
PREVENTIVE MAINTENANCE (CHECKING THE CONSUMABLES
AND REGULARLY REPLACED PARTS)
In addition to repair and maintenance of the printer, preventive
maintenance is required to maintain the printer's good operation and to
prevent any potential problem in other parts that the serviced parts.
1. After repairing or maintenance, output several status sheets and
check that the printer operates normally.
2. After repairing or maintenance, output an engine status sheet.
NOTE:Referring to the total number of the printed pages, determine
if any regularly replaced part needs replacing, and replace it if
necessary.
REPLACING THE CONSUMABLES AND REGULARLY REPLACED
PARTS
Replace any regularly replaced part if necessary. (See Section 6.3
"Consumable Replacement" and Section 6.4 "Regularly Replaced Parts
Replacement".)
CHECKING OVERALL PRINTER OPERATION
After servicing, give an overall checking to the printer. Print some status
sheets and a test prints, both single and double side print with the
Option Duplex installed, with the data transportation from the host
computer. Check the following:
1. Print quality: Check that print quality is good.
2. Operation: Check that paper is fed properly and there is no
abnormal noise.
Revision C
6-5