Epson ACULASER COLOR 1000, Service Manual

Page: 105 / 230

EPSON AcuLaser C2000 / AcuLaser C1000 Revision E
Troubleshooting Troubleshooting Method 105
3.1 Troubleshooting Method
It is difficult to specify the cause of the trouble for the page printer has the
complex mechanical structure. This chapter describes the method to specify
the trouble cause from the error symptoms and how to solve the problem.
3.1.1 Troubleshooting Procedure
To find cause of the trouble, you have to follow the service manual and check
the printer and the information gathered from the customer. This should be
done step by step. Read the repair procedure in the table below.
Remove any parts or unit that are not the genuine products of EPSON.
C A U T I O N
Be careful to draw the paper feed tray when the paper feed
roller is at the middle of the pick up position to avoid
breaking part.
Table 3-1. Repair Procedure
Procedure Solution / Explanation
1. Before starting
troubleshooting Understand what problems user have.
2. Power ON setting
position 1. When turning the printer ON, does initialization and engine
self-check perform all right?
2. Is there any problem at the setting place?
3. Panel indication Does the panel indicate “Ready” or the energy-saving mode?
1. Insert the panel connector properly.
2. Perform the paper feed test (engine test) of the self-check
function. Refer to Section 3.1.3
3. After confirming the panel indication is all right, start solving
the error.
4. Image quality
problem Is the print out image quality meet the customers’ expectation?
1. Compare the output image with the image on the printed
setting information page.
2. If the output is all white, replace the toner cartridge or pull up
the contacting point of the toner cartridge for better contact.
3. If the output is all black, pull up the contacting point of the
toner cartridge for better contact.
Table 3-2. Initial Checks
Item Symptom / Cause Solution
1. Turning the
power ON. 1. Engine does not start at all.
• Check if the power supply
cable is inserted to the
printer and plug.
• Check if the power supply
voltage is all right.
2. Engine cooling fan does not
rotate.
(Does not rotate when turning
the power ON.) Replace the fuse of the engine
power board.
2. Power supply
environment. Power supply voltage is not
within ±10% of the one
described on the manufacture
label. Use the plug that meets the
specification.
Table 3-1. Repair Procedure (continued)
Procedure Solution / Explanation