5-48
Confidential
1.3.26 Display machine log information (function code: 80)
<Function>
This function is used to display the log information on the LCD.
<Operating Procedure>
Maintenance information
LCD Description
MACERR_##:0000 Machine error log (last ten errors) 
*1
USB:000G8J000166 Serial number 
*2
MAC:008077112233 MAC address
PCB:911309123456 Main PCB serial number
KTN_ERM:87% Estimated remaining toner amount based on the average 
coverage
KTN_RRM:67% Estimated remaining toner amount based on the rotations of 
developer roller
DRUM_PG:00000000 Printed pages for drum unit
TTL_PG:00000000 Total printed pages
TTLCOPY:00000000 Total pages copied
TTLPCPT:00000000 Total PC printed pages
TTLFAX:00000000 Total List/Fax pages printed 
*3
KCVRGUSI:4.32% Average coverage by the current toner cartridge
KCVRGACC:3.47% Accumulated average coverage
DRUM:00000000 Rotations of the drum
KTN_RND: 00000000 Rotations of the toner developer roller
MN_PG:00000000 Paper input for manual feed slot
TR1_PG:00000000 Paper input for paper tray
DX_PG:00000000 Paper input for duplex tray
A4+LTR:00000000 Total paper input for A4 and Letter
LG+FOL:00000000 Total paper input for Legal and Folio
B5+EXE:00000000 Total paper input for B5 and Executive
For models without keypad
(1) Press the [▲] or [▼] key in the initial 
state of maintenance mode to display 
"MAINTENANCE 80" on the LCD, and 
press the [OK] key. "MACERR_01:****" 
is displayed on the LCD 
(**** indicates error code).
(2) Pressing the [Start] key displays the next 
item.
(3) When the [Stop] key is pressed, the 
machine returns to the initial state of 
maintenance mode.
For models with keypad
(1) Press the [8], and then the [0] key in the 
initial state of maintenance mode. 
"MACERR_01:****" is displayed on the 
LCD (**** indicates error code).
(2) Pressing the [Start] or [Mono Start] key 
displays the next item. Pressing the [ ] 
key returns to the previous item.
(3) When the [X] or [Stop] key is pressed, 
the machine returns to the initial state of 
maintenance mode.