Lexmark X548 Series, Руководство по обслуживанию

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Diagnostic information
2-57
7525-63 x
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Option trays 2 and 3 service check
5
Turn off the printer, and remove the rear
shield.
“Rear shield removal” on page 4-7
.
Disconnect the cable at JTRAY1 connector for
Tray 1 or JOPT1 for Tray 2 and 3 on the RIP
board. Turn the printer on, and measure the
voltages below:
Check these voltages for Tray 2 and 3
Are the voltage values approximately
correct?
Problem resolved. Replace the RIP board. See
“RIP board removal” on
page 4-19
.
Step Questions / actions Yes No
1 Are two option trays being used?
Go to step 2. Go to step 4.
2
If two option trays are being used, is the
550 sheet tray on the bottom?
Go to step 4. Go to step 3.
3
Switch the order of the trays so the 500-sheet
tray is on the bottom, and print a page from
both trays.
Did the pages print from both trays?
Problem resolved Go to step 4.
4
Inspect the paperfeed tires on the tray that fails
to pick.
Do they appear worn.
Go to step 5. Go to step 6.
5
Replace the paperfeed tires on the faulty tray
and print a page with media from the affected
tray.
Did the page print?
Problem resolved Go to step 6.
Step Questions / actions Yes No
JTRAY1 for Tray
1
Pin Voltage
1 +5 V dc
2 +5 V dc
3 Ground
JOPT1 for Tray 2
or 3
Pin Voltage
2 Ground
3 Ground
5 +24V
6 Ground
7 +5V
9 Ground
10 Ground