5.1 General Description
This section describes how to identify and troubleshoot the problems when repairing the printer by dividing
the troubles into two levels; repair and replacement of the assemblies and units, and repair of the
components. When replacing or repairing the unit or assembly, be sure to refer to the corresponding flow
chart which enables you to isolate the defective assembly or unit easily according to the symptom
occurred. In repairing the component, refer to Section 5.4 and 5.5 which provide check points listed
separately according to the major electric parts.
5.2 Troubleshooting Information
This section provides information on the error modes displayed on the control panel and check lists used
to determine if the units in each assembly are normally functioning.
5.2.1 Error mode
The LEDs on the control panel indicate several abnormal status of this printer. Table 5-1 lists the printer
errors and corresponding LED status. (Refer to Figure 5-1 for LED arrangement.)
Ink sequence is proceeding.
Ink cartridge change sequence is
Black ink cartridge ink end
No black ink cartridge installed
Black ink cartridge ink low
Color ink cartridge ink end
No color ink cartridge installed
Color ink cartridge ink low
Maintenance required (Waste ink pad
" means no effect.
Table 5-1. Printer Error Status
Figure 5-1. Control Panel