Oki IP-6620 Maintenance Manual page 382

6.8 Disassembling and Reassembling the Print Head and the
Carriage
Note
With the 7-color printer, no print head is installed in one print head position to the right. This
position is covered by a plate.
6.8.1 Print head replacement
<Print head>
Notes
These precautions are given to avoid ink leakage and damage to the printer.
(1) Open the print head's aluminum bag only just before the print head replacement.
(2) Be careful not to drop or hit the print head. Do not touch the nozzle surface and the connector.
(3) Replace the print head following the procedure described below.
(4) Wear glove to avoid smearing your hands. If ink gets into your eyes, rinse with clean water
and consult a doctor immediately. If swallowed, do not try to induce vomiting. Consult a doctor
immediately.
(5) Store the used print head with the procedure below.
(a) Cover the print head nozzle surface with the head protection cap;
(b) Cover the print head ink needle with the tube;
(c) Wrap the print head with a polyethylene sheet; and
(d) Put it in an aluminum bag.
1.
Press ONLINE button to set the printer
offline.
2.
Press the following buttons in the given
order: CANCEL, Right, CANCEL,
CANCEL and then input the password
(see 3.2 Maintenance Mode
Operations) to enter the maintenance
mode.
3.
Press the MAINTENANCE button, select
PH MAINTENANCE with the Up and
Down buttons, and press the OK button.
4.
Select REPLACE PRINT HEAD with the
Up and Down buttons, and press the OK
button.
OKI Data Infotech Corporation CONFIDENTIAL
Chapter 6 Parts Replacement (Disassembly/Reassembly)
MAINTENANCE
 PH MAINTENANCE
>PH MAINTENANCE
 REPLACE PRINT HEAD
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