Service Maintenance; Printhead Cleaning; Waste Ink Drain Tank Replacement - Epson Stylus 800 Service Manual

6.2 SERVICE MAINTENANCE

Certain maintenance is required when the printer detects an error or when you see a decline m
print quality.

6.2.1 Printhead Cleaning

printer has an automatic printhead cleaning cycle to ensure proper nozzle operation for ink
injection as well as keep the printhead in good condition. However, you should perform this
1. Turn the printer on and press the PAUSE button to pause the printer. Make sure that the
PAUSE LED is on.
2. Hold down the ALT button and press the PAUSE button for two seconds.
cleaning cycle starts. It takes approximately 30 seconds to complete, and the PAUSE LED fIashes
during thecleaningcycle. When thecleanin g is completed, the PAUSE LED stops flashing.

6.2.2 Waste Ink Drain Tank Replacement

The printer uses a counter to determine the total amount of wasted ink sent to the waste ink drain
tank. This information is stored in the EEPROM on the main board as a value m pro= counter A.
When the value in counter A reaches a predetermined value, the printer detects it and signals an
error ('Waste ink tank overflow." Re!kr to Chapter 1, Table 1-6, ErroY Cudks). The waste ink
absorbing materials should then be replaced and the protect counters should be reset, as desaibed
in the table below.
I
Condition
Protect counter A value is 216,000
Protect counter A value iss 16,000 (*1)
Protect counter A
overflow error (counter A value is >
s:
(*2) In this case, the main contru//erboatd (Cl34 MN) maybe detlxtive.
(*3) Protect counters Band C can be n?set by using apmgram su@ied tih the a@stt-
ment sotiam.
To initialize counters A, B, and C, perform the following operations:
the lower case. Reassemble the printer.
2. Turn theprintercm while holdrngdownthe ALT, ECONOMY/CONDENSED, LOAD/EJECT',
and PAUSE buttons (the upper two buttons and lower two buttons on the control panel). This
operation resets protect counters A, B, and C to their initial values(0).
6-2
(*2)
value is unknown
25,000)
to Reaet
Material status
A, B, C Replace
B, C (*3) It)o not mpk109
,
B, C Replace
A,
A, B, C Replace
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Rev. A
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