Nantian Electronics PR9 ES, Руководство по обслуживанию

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PR9 Service Manual
Page 88 of 102
6. DISASSEMBLY/REASSEMBLY THE PRINTER
6.1 DISASSEMBLY/REASSEMBLY INTRODUCE
Disassembly/reassembly procedure: Described the sequence of the
disassembly.
Notes: recall adjustments that need to be made after reassembly, precautions
or warnings to be observed.
6.2 ATTENTIONS OF DISASSEMBLY/REASSEMBLY
- To ensure maximum safety, before starting any disassembly operation power
off the printer and unplug its power cord from the electrical outlet.
-
All operations should be performed in a clean and uncluttered area.
-
Follow the procedures carefully; do not unscrew parts that are not to be
disassembled.
- Store the disassembled parts in a clean place where there is no danger of
them getting lost.
- After replacing the parts, make sure that they have not been deformed during
assembly; restore the correct conditions if necessary.
Reassembly must be performed by following the disassembly procedures in
reverse order.
Before disconnecting the cables make sure to take note of their connections
for reassembly.
- After servicing, lubricate where specified.
- When replacing the main board, update the firmware to the latest release, run
the installation set-up and then perform the electromechanical adjustments
from the console.
- When replacing the power supply assembly, make sure that the line voltage
rating of the replacement module corresponds to the value indicated on the
printer's electrical data plate.
- At the end of the service call, run an overall check on the printer to make sure
that all failures are corrected.
6.3 DISASSEMBLY/REASSEMBLY OF THE MACHINE
6.3.1 CASE DISASSEMBLY/REASSEMBLY
- Open the printer's top cover.
Unplugging the console cable from its connector (1) in the left rear side of the
frame.
Using a flat-blade screwdriver. Unclench the case's two front snap features
through inside of the case (2).
- There is 1 snap features inside the case in each side(left and right).
Insert a pointed object in the holes at the rear right and left sides of the case
and then unclench the 2 rear snap features; partly lift the case off the base and
remove the case from the machine.