Description Of The On-Site Service - Epson ColorPage EPL-C8000 Service Manual

EPSON EPL-C8000

6.1.2 Description of the On-site Service

This section gives instruction on the on-site service in detail.
o Preliminary Check
1. Ask the users the following:
n How often paper feed malfunction occurs.
n What the printer is used like. (paper, volume, environment, etc.)
n Output quality
o Reappearance of the trouble
Perform troubleshooting described in Chapter 5.
1. Using diagnostic function, identify the trouble and perform
necessary troubleshooting.
2. If necessary, proceed to "Level 1 FIP" and "Level 2 FIP".
3. If a print quality problem (completely blank/black page), a fatal
problem, due to engine malfunction is identified, go to "Print quality
troubleshooting".
o Print quality check
1. Print several pages of monochrome and color status sheet to check
print quality.
<Points to check>
n Color balance
n Improper color position
n Too dark/light printing
n Abnormal reappearance at low density
n Others
Chapter 6 MAINTENANCE
2. If any abnormality is found in the listed check points:
n Check the life counters of the consumables and regularly
replaced parts. (See Section 6.2.)
n Perform the adjustment. (See Chapter 3.)
o 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.
Rev. B
6-3