Epson L1800, Service Manual

Page: 13 / 149

L1800 Revision A
Troubleshooting Overview 8
Confidential
2.1 Overview
This chapter describes unit-level troubleshooting.
2.1.1 Troubleshooting according to Error Messages
After checking the printer LED and STM3 error indications, you can grasp the fault location using the check list in this section. When you find the fault location, refer to Chapter 3
“Disassembly and Reassembly” and change the corresponding part and/or unit. The following table indicates the check point reference tables corresponding to the error states (LED
and STM3).
Note : --: No change
Flash: Repeats turning On and Off every 1.25 seconds.
Flash at high speed: Repeats turning On and Off every 0.5 seconds.
Flashes alternately 1: Same as the “Flash”
Flashes alternately 2: Repeats turning Off and On every 1.25 seconds.
Table 2-1. List of Error Messages
Error Status
LED Indications
See the table for Troubleshooting
Power Paper Ink
Paper out error
- Light -
Refer to Table 2-3 “Troubleshooting of Paper Out Error” (P.11)
Paper jam error
- Flash -
Refer to Table 2-4 “Troubleshooting of Paper Jam Error” (P.13)
Multi-feed error
- Light -
Refer to Table 2-5 “Troubleshooting of Multi-feed error” (P.14)
Maintenance request
Off Flashes alternately 1 Flashes alternately 2
Refer to Table 2-6 “Troubleshooting of Maintenance Request” (P.14)
Fatal error
Off Flashes at high speed Flashes at high speed
Refer to Table 2-7 “Troubleshooting of Fatal Error” (P.15)