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*1: General notes:
- Make sure that the flexible cables and wires in the harness are in the proper position and connected correctly.
[See 3
-2. Special Notes on Repair Servicing, (2) Flexible cable and harness wiring, connection, for details.]
- Protect the waste ink tube from being pinched when assembling the printer unit chassis into the bottom case
unit.
Since the tube conditions after assembly are not visible, perform the manual purging 3 or 4 times to confirm
that no strange noise is heard.
[See 3
-2. Special Notes on Repair Servicing, (3) Printer unit and bottom case unit assembly, for details.]
- Do not drop the ferrite core, which may cause damage.
- Protect electrical parts from damage due to static electricity.
- Before removing a unit, after removing the power cord, allow the printer to sit for approx. 1 minute (for
capacitor discharging to protect the logic board ass'y from damages).
- Do not touch the timing slit strip film and timing slit disk film. No grease or abrasion is allowed.
- Protect the units from soiled with ink.
- Protect the housing from scratches.
- Exercise caution with the red screws, as follows:
i. The red screws of the paper feed motor may be loosened only at replacement of the paper feed motor
unit (DO NOT loosen them in other cases).
ii. DO NOT loosen the red screws on both sides of the main chassis, securing the carriage shaft
p
ositioning (they are not adjustable in servicing).
Purge unit: QM2-
2208
Waste ink tube: QC1-
6458
Waste ink tube
holder: QC1-6460
secure the waste ink tube to
the waste ink tube holder.
1. To protect the waste ink
tube from being pinched
when reassembling the
printer unit chassis into
the bottom case unit, tape
the tube (at 2 locations).
[See 3-2. Special Notes on
Repair Servicing, (3) Printer
unit and bottom case unit
assembly.]
case unit, the tube
conditions are not visible.
For confirmation of the
tube conditions, perform
the manual purging 3 or 4
times, and confirm that no
strange noise is heard.
Platen unit
QM2-2202
After replacement
:
1. Check the ink system
function.
[See 3-3. Adjustment /
Settings, (5) Service mode.]
- Service test print
PR lift shaft ass'y
QL2-0936
CL input gear
QC1-6213
At replacement:
1. Apply grease to the
sliding portions.
[See 3.3. Adjustment /
Settings, (2) Grease
application.]
- Service test print
Timing slit strip film
QC1-6394
- Upon contact with the film,
wipe the film with ethanol.
- Confirm no grease is on the
film. (Wipe off any grease
thoroughly with ethanol.)
- Do not bend the film
After replacement:
1. Perform the print head
alignment in the user
mode.
- Service test print
Timing slit disk film
QC1-6229
Print head
QY6-0059
After replacement:
1. Perform the print head
alignment in the user
mode.
- Service test print
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