Digital Equipment DEClaser 320, Руководство по обслуживанию

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C.2 Cleaning and Inspection
• Transfer/separation charger, as shown in Section 10.6
C.3 Tests and Checks
Perform the following checks and fix or replace any failing components:
1. Print a copy of the CONFIG SHEET, as shown in Section 2.6.
2. Do the following if the Page Count number on the CONFIG SHEET and
the maintenance log show that the fusing unit has processed about 300,000
prints:
• Replace the fusing unit, as shown in Section 9.28.
• Whenever you replace the fusing unit, inspect the print drum ground
clips. The ground clips wearout over time and must be replaced with
the fuser unit at approximately 300,000 prints. See Section 9.17.2 for
the removal and replacement procedure.
• Clean the upper and lower paper feed rollers, as shown in
Section 10.5.
3. Enter the page count number in the maintenance log.
4. Enter the 1701 test code 0202 or 0201 to check the control panel indicators.
All the indicators must come on.
5. Enter the 1701 test code 0203 to check the display. All 32 blocks of the
control panel display.
6. Enter the 1701 test code 0205 to check the control panel keys. Press all
the keys saving
3
for last.
7. If the current protocol is not DEC PPL3, set it so, as shown in Section 3.4.
8. Print a copy of the 1948 Setup test pattern, as shown in Section 3.3.
9. Make sure the image quality is good, all the numbered 1 lines are visible
and unbroken, and the background is not stained.
C.4 Final Test
Do the following final tests while you are filling out service call paperwork:
1. Print several simplex and duplex copies of the Grid test, as shown
in Section 3.3. Use the offset motor when printing. This ensures the
customer that the printer is functioning and in good operating order.
2. Make sure the printer’s COMM INTERFACE values match the host
system’s baud, parity, and flow control values.
DEClaser 3200 Total Call Concept (TCC) C–3