Filters; Other Related Items; Execution Items Before Maintenance And Servicing; Mandatory Maintenance And Service Items - Sharp MX-M550U Service Manual

J. Filters
✕ : Check ▲: Replace
: Clean
(Clean, replace, or adjust as necessary.)
Unit name No.

Filters

1
2

3. Other related items

A. Execution items before maintenance and servicing
Check the developer counter value.
Check the OPC drum counter value.
Check the print count mode in each section and each operation mode.
Check the number of paper jam troubles.
Check the positions and contents of paper jams.
Check the positions and contents of paper jams (DSPF section).
Check the contents of troubles.
Print the setting values and the adjustment values.
Check the number of use of the DSPF, the scanner, the finisher, and inserter, the stapler, and the punch.
Check the number of use of each paper feed section.
Check the ROM version.
B. Mandatory maintenance and service items
The necessary items for maintenance are shown below. (The items marked with
JOB
No.
No.
1 - Toner concentration reference control
level setting
2 - The photoconductor counter is
cleared.
3 - The photoconductor rotation counter is
cleared.
4 ADJ9 Copy image quality adjustment (check)
5 ADJ10 FAX mode print image quality
adjustment (check)
6 ADJ11 Scanner mode image quality
adjustment (check)
• The JOB No. indicates the title number of the adjustment item described in the chapter of the adjustments.
• Refer to the details based on this number according to necessity.
✩: Lubricate
: Adjust
55ppm (PM: 250K)
When
calling
62ppm/70ppm (PM: 300K)
Part name
Ozone filter
Toner filter
Item
Work item Simulation
25-2
24-7
24-11
46-2, 9 , 10,
11, 18, 31
46-12, 13, 14,
15, 16, 45
46-21, 22, 23,
24, 25, 27
MX-M700N MAINTENANCE 9 – 13
: Shift position
250 500 750 1000 1250
K K K K
300 600 900 1200 1500
K K K K
▲ ▲ ▲ ▲ ▲
▲ ▲ ▲ ▲ ▲
are mandatory items.)
When repairing (replacing consumable parts)/maintenance
When
When replacing
replacing
installing the OPC
developer
drum
1500 1750 2000
K K K K
1800 2100 2400
K K K K
▲ ▲ ▲
(P/G No.: [75]-7)
▲ ▲ ▲
(P/G No.: [75]-8)
1
1
2
Simulation
22 13
22 13
22 1
22 2
22 3
22 12
22 4
22 6
22 8
22 9
22 5
After
cleaning
When Periodic
the
mainte
scanner
nance
(read)
section
Remark/Refer to the
Parts Guide.
Block/Item No.
(Only the replacement
parts are described.)
When repairing
(without
replacement of
consumable
parts)/inspecting