July, 2007
1-5
WorkCentre 5020
1.4, 1.5
Service Call Procedures
Initial Issue
1.4 TRIM Checklist
A: Check. Clean, replace, or replenish if necessary.
B: Always check and clean.
*: Always replace at the specified interval.
CAUTION
Do not touch the Drum of the Drum Cartridge.
1.5 Periodic Replacement Parts/Consumables List
When servicing the machine, check the number of copies and the replacement interval for the
consumables and parts that require periodical cleaning/replacement. Clean or replace them if
necessary. The IOT history can be checked at Chain-Function > NVRAM R/W, while the IIT
history can be checked in the Counters (refer to Diagnostic Mode in Section 2 Status Indicator
RAPs). For items that cannot be checked in the Diagnostic Mode, clean or replace them
according to the replacement intervals (standard PV).
CAUTION
Do not keep toner and drum cartridges in your car for long periods of time.
Table 1
No. Service Items
Every
time
Service Details
1.1 Check before servicing
(check machine operation)
A Turn on the machine, and make sure that there are
no abnormal sounds.
1.2 Check before Servicing
(copy the Test Pattern)
A Make several copies using the Test Pattern
(499T247), then check the image quality.
2 Clean the interior of the
machine (paper transport
system)
A Clean the paper dust and toner residue in the paper
path and on the jam sensor.
3 Clean the IIT A • Clean the Platen Glass surface and the Platen
Cushion with the optical cleaning cloth.
• Clean the Reflector, back of the Platen Glass,
mirrors and lens with the optical cleaning cloth.
5 Safety Precautions B • Make sure that the power cord is plugged in
properly.
• Make sure that there are no cracks in the
power plug and no holes or cuts in the power
cord insulation.
• If an extension cord or power strip is used,
make sure it is of sufficient capacity to handle
the power requirements of the machine.
• Make sure that no more than one power plug
is connected to a single socket.
6.1 Check after servicing
(copy quality check)
A Make several copies using the Test Pattern
(499T247), then check the image quality.
6.2 Check after servicing
(check machine operation)
A • Check the paper feed.
• Make sure that there are no abnormal sounds.
6.3 Check after servicing
(check the meter)
A Create the Service Log and Service Report.
Table 1
No
Parts/Consumables
Name/PL No.
Replacement
Interval (copies)
Counters Check
1 Tray 1 Feed Roll/
Retard Pad
50,000 [29/34] [29/24] [29/14] [29/4]
Count up 1 for every feed. Replace both at the
same time.
2 Tray 2 Feed Roll/
Retard Roll
100,000 [29/25] [29/15] [29/5]
Count up 1 for every feed. Replace both at the
same time.
3 MSI Feed Roll/
Retard Pad
50,000 [29/39] [29/29] [29/19] [29/9]
Count up 1 for every feed. Replace both at the
same time.
4 Fuser Unit 100,000 [21/39] [21/29] [21/19] [21/9]
Count up 1 for every feed.
5 Toner Cartridge 6,000
6 Drum Cartridge 36,000 31,000 (Warning)
36,000 (Machine Stops)
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